投稿時間:2022-02-26 09:38:30 RSSフィード2022-02-26 09:00 分まとめ(51件)

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IT	気になる、記になる…	Microsoft、｢Surface Duo 2｣と｢Surface Duo｣向けに2022年2月のアップデートを配信開始 − パフォーマンスや安定性の向上など	https://taisy0.com/2022/02/26/153767.html	microsoft	2022-02-25 23:51:41
IT	気になる、記になる…	ウクライナ、Appleに対しロシア国内での製品販売やApp Storeへのアクセス遮断を要請	https://taisy0.com/2022/02/26/153764.html	apple	2022-02-25 23:37:42
IT	気になる、記になる…	Apple PayとGoogle Payがロシアで利用不可に − ロシアのウクライナ侵攻への経済制裁の影響	https://taisy0.com/2022/02/26/153762.html	applepay	2022-02-25 23:26:44
IT	ITmedia 総合記事一覧	[ITmedia News] ロシア連邦政府、国内でのFacebook利用に制限　「国営メディアの投稿を制限したため」	https://www.itmedia.co.jp/news/articles/2202/26/news043.html	facebook	2022-02-26 08:46:00
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] 「社長が住む街1位」の東京・赤坂で星野リゾートが仕掛ける　“旅のテンションを上げるホテル”とは	https://www.itmedia.co.jp/business/articles/2202/26/news031.html	itmedia	2022-02-26 08:30:00
IT	ITmedia 総合記事一覧	[ITmedia News] 転んでもタダでは起きない　Apple Watchだけじゃない、転倒検出機能が注目される理由	https://www.itmedia.co.jp/news/articles/2202/26/news042.html	applewatch	2022-02-26 08:15:00
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] なぜ同じモノを発売したの？　千葉ロッテの選手が噛んでいるガムに「2つの特徴」	https://www.itmedia.co.jp/business/articles/2202/26/news012.html	itmedia	2022-02-26 08:08:00
python	Pythonタグが付けられた新着投稿 - Qiita	機械学習で写真をHDRに	https://qiita.com/john-rocky/items/299758ed85352256bb92	機械学習で写真をHDRに写真をハイダイナミックレンジにする方法です機械学習で写真を鮮明にローダイナミックレンジの画像を入力するだけで、ハイダイナミックレンジにレタッチしてくれるモデルがあります。	2022-02-26 08:03:57
海外TECH	Ars Technica	Webb Telescope reaches major milestone: All its light is in one place	https://arstechnica.com/?p=1836859	placea	2022-02-25 23:31:52
海外TECH	DEV Community	Mage now spreading more AI magic with their General Availability	https://dev.to/mage_ai/mage-now-spreading-more-ai-magic-with-their-general-availability-4f1o	Mage now spreading more AI magic with their General Availability TLDRA year after Mage s creation in early we have officially launched into general availability Mage is built on the mission to equip product developers with accessible AI technology so they can build magical products for their users After working closely with early paying customers we are confident in Mage s ability to deliver a user friendly intuitive and easy to use tool At its core Mage s product is a solution for developers to integrate AI into their apps by building ranking models that increase user engagement and retention Mage works by first connecting existing data sources into a Mage workspace Once a user adds their data Mage will provide guided suggestions for cleaning and enhancing that data to maximize the model s performance during training Once the model is done training product developers can use its predictions in real time via API requests In just a year we ve created a product that is giving developers the power to harness AI in their apps built models that support multiple use cases and assembled an epic team of developers designers sales and marketers As happy as we are to announce our general availability we re even more excited by the fact that this is just the beginning of Mage We have tons of great models and ideas built into our roadmap that we can t wait to deliver We d like to highlight our early paying customers beta testers and everyone who has contributed to elevating Mage to where it is today The feedback we ve received has made it possible to launch Mage to general availability To read more about our general availability check out our exclusive featured on VentureBeat In preparation for our ProductHunt Launch on March we would greatly appreciate early sign ups to the platform to support us when we go live It s super easy to sign up and can be done through your Google account Get started here	2022-02-25 23:55:13
海外TECH	DEV Community	Major planning | Ukraine	https://dev.to/sirinoks/major-planning-ukraine-32nf	Major planning UkraineThis week was going to be my productive week It started strong with some heavy planning and meetings But then Russia attacked I have not been doing much work on the issues I was assigned to Sorry I am trying to do some right now not sure how much I will get done Planning meetingThis week s meeting had a goal of getting up to speed Here s the plannning project updated Here is what was raised during the meeting ThemesThe current theme for this week is to figure out where you are figure out what you want to do Next week being the study week focus on research If you have any new ideas share them now the window for new things is closing After that polishing That means bugs testing docs guides There was something new I introduced thinking about the next generation That involves having proper issue descriptions Good first issue labels For next year leaving behind guides docs videos even What you have been doing this semester tell it to them they will be as lost as you were once This theme is not our current focus but soon it will be I want people to be aware of this direction first and not have it as a completely new concept when we will need to act on it UpdatesI asked people what areas have they worked on so far and what areas they are interested to work on next Turns out many are interested to get into docker and supabase Including me If I never asked that of everyone we wouldn t even know there was such interest Based on that information the focus of upcoming issues will be in docker and supabase I also thought we should make a meeting on it I was worried the meeting will not take enough time and we will have to do triage things but we never even gotten to that People had things to discuss which is great TriageBefore the triage we sheriffs met and sorted all the issues we had so far This is the middle point of our semester we need to realize where we are at and decide where we are heading We can t really plan for release if we don t yet know what we want to get done for release We should go from largest to smallest deadlines to really have an idea of our priorities PrioritiesWe used this project We had priority levels Must complete We want this done before we leave this class Better complete Not a must but is still important Optional Sounds cool not a priority if we are bored or have time do this Negligible Least priority Get to this after everything else is done There have also been made unknown categories Talk Need to ask about the issue during the meeting since we don t understand enough about it Update Unknown if the issue is still relevant Need to hear from the creator in the issue comments We are not sure on how well we judged the issues but at least it now gave an idea of what to do next I don t know if this is something other sheriffs will do after us The meeting went in the order of priority with some talks mixed in I did not pay attention as much as I wanted to at this point war just started that night and I haven t slept yet as I was monitoring the situation Generally I think it went well On communicationThere is something I want developers of Telescope to do better Communication It is part of my role here I connect the channels I summarise the information I ask the questions I did that during our meeting what do you do And they answer But they only tell if I ask I wish people shared more on their own Issue comments slack discussions making meetings themselves even We should be aware of what others are doing Week of researchNext week study week I declared as a week of research Having no deadlines due that time it is both a lenient enough task to have time to relax and is also a unique direction to pursue when else will be get a week without any classes I personally will research Slack bot stuff my Docker issue and automation stuff Technically study week has no sheriffs but I want to continue being one for that time too I want to make a stream with people to have them talk about Telescope And to stream my docker issue since people are interested in that I m not sure how much I will get done UkraineThis is not related to coding Ever since it started happening all I have been doing is refreshing the map searching for news and updates talking about it thinking about it listening about it dreaming about it I am Ukrainian All my family is in Ukraine I am trying to do assignments and sometimes I end up doing something like writing this post This is where my family lives Kiev Obolon Both apartments in there In one lives my mother in the other grandma and aunt Now this is the most dangerous area in Kiev Kiev is the capital I see videos of tanks driving there I know these surroundings Oh look here s a tank Here s another Person in the car survived All of this right there right where they live Right outside of Kiev to the north is the front line This is where my classmate has her house I went to her th birthday party there And it s where my friends of family live I would come there in summer I remember I tried my first energy drink there Who knows how fucked it all is now they gotten past it to my district Here s Chornobyl The power plant that blew up and spread radiation all over europe at some point If you re curious watch HBO s Chernobyl it s pretty good km North from where I lived Now there are crazy high readings of radiation since there was a fight and apparently something was hit that shouldn t have been hit source My family didn t want to leave Reminded me of this Mom decided to leave but didn t know where After a day of nothing I have finally gotten an update from them She convinced them to leave just as the fight started Took them hours to drive km They are now in a small town away from the front line Mom is definitely for leaving the country not sure about others Civilians are open to go and get armed to fight A guy I know tried to get armed today and couldn t The line was too big they didn t get to him I think I would fight too if I lived there My family would probably be against that decision All my Ukrainian friends are out of the country thankfully Rumors keep spreading that this night will be the time when they storm Kiev I don t know how true that is I guess we ll see Before this started people on both sides Russia Ukraine thought it was all posturing No war is gonna happen cmon Everyone was shocked I fear for my friends in Russia They might lose contact because of the government Could do something with internet like they have in China Economy has tanked over there Protests are happening in Russia but if you know how those usually go well not great I don t know if it will be enough people to not just get everyone jailed in the end Like it usually happens SourcesHere is what I keep checking A live webcam compication Not specifically this one just search ukraine live webcam in live videos I keep hearing alarm go off in Kiev and sounds of explosions from time to time there This map is great You might need to keep refreshing to make it work it is pretty overloaded these days I keep reading a telegram chat on my inline skating group I used to skate with they share where they hear explosions what s the situation like As I keep refreshing the map I keep seeing news about regions that I recognize Oh Odessa we went for a Linkin Park concert there Oh we went for a holiday to Herson and I got sick there Oh a dude I played this Spore roleplay game is from Chernigiv Many like these I wouldn t say I m very patriotic And yet I care enough to have this be my main activity ever since it started I don t know what I expect to see Nukes EU support Ukraine captured President killed I don t have anger towards people that don t care It is not their country I enjoy the memes and jokes jokes are meant to be funny I don t hate Russian people they are just like us but do they have a country to run to Refreshing the page doesn t do anything Should I care less Should I care more I don t know This never happened to me before Actual war I don t know	2022-02-25 23:31:03
海外TECH	DEV Community	Schema - Your data ruler validator	https://dev.to/miguelramos/schema-your-data-ruler-validator-bjj	Schema Your data ruler validatorOláagain happy to introduce a new package Schema a condition ruler validation for your data It is design to check if your data is compliant with the rules you define It can be used as native form validator in any platform framework as a raw native validator It will be integrated on other tool in the future for forms agnostic validation It as ZERO dependencies and is developed in typescript Feel free to contribute also FeaturesRules for all native types String Number Date Boolean Support custom rulesSupport object types and nested objectsSupport on arrays of any typeAsync checks InstallYou can install as yarn add websublime schema Express stepsDefine your schema of rules then just check your data type if it is valid with the rules defined const schemaObject ObjectType lt age number email string gt age NumberType min email StringType isEmail let validation await schemaObject check age email ramos websublime dev expect validation properties age hasError toBeFalsy expect validation properties email hasError toBeFalsy Or just simple native types const str StringType minLength expect await str check abcde hasError toBeFalsy expect await str check abcd hasError toBeTruthy const validationSchema NumberType max expect await validationSchema check hasError toBeFalsy expect await validationSchema check hasError toBeTruthy Each native type as some rules already defined like String containsLetter check if value contains only letters containsUppercaseLetter check if value is uppercase containsLowercaseLetter check if value is lowercase containsLetterOnly check if value contains letters only containsNumber check if value constains numbers isOneOf check if is one of the types included isEmail check if is valid email isURL check if is valid url isHex check if is a hex value pattern test a reg expression rangeLength check if value is between minimum and maximum length minLength check if value as minimum length maxLength check if value is less then maximum length And many more types Also you can define custom rules or dependencies between rules A example more like real world type FormRegister password string null email string null firstName string null lastName string null repeat string null const formSchema ObjectType lt FormRegister gt email StringType isEmail Please provide a valid email isRequired Email is required firstName StringType isRequired First name is required lastName StringType isRequired Last name is required password StringType minLength Password should have minimum characters isRequired Password is required repeat StringType minLength Password should have minimum characters isRequired Repeat password is required addRule errorMessage Password confirmation not matching validationFn value string parent FormRegister gt const password null parent return value password Feel free to contribute Soon a github page with complete documentation and api More to know dig a bit testings There are good examples there LinksGithub link Happy coding	2022-02-25 23:25:29
海外TECH	DEV Community	Restoring 'Default/Initial' values from Redux Store	https://dev.to/jr_web_dev/restoring-defaultinitial-values-from-redux-store-3ie9	Restoring x Default Initial x values from Redux StoreHi im new to react and redux I have a web application using redux through out the usage of the react redux web app the state changes However i have default values already inputted into my reducers state Does react redux offer a way to restore those initial state values Or would i have to find a way to duplicate the initial state and create a variable somewhere in order to access my default values I wish to create a reset buttons where the button will filter through my deeply nested array of objects that i have in my reducers state and change the values back to my initial default values Does any know if there is an easy way to do this I was thinking of creating another reducer and storing the default values where i would only read get the values from there any help or guidance would be greatly appreciated	2022-02-25 23:18:13
海外TECH	DEV Community	IoT - knowledge for beginners	https://dev.to/yongchanghe/iot-knowledge-for-beginners-3i3o	IoT knowledge for beginners What is IoT The Internet of Things IoT describes the network of physical objectsー“things ーthat are embedded with sensors software and other technologies for the purpose of connecting and exchanging data with other devices and systems over the internet These devices range from ordinary household objects to sophisticated industrial tools Over the past few years IoT has become one of the most important technologies of the st century Now that we can connect everyday objectsーkitchen appliances cars thermostats baby monitorsーto the internet via embedded devices seamless communication is possible between people processes and things What technologies have made IoT possible Low cost low power sensor technologyAffordable and reliable sensors are making IoT technology possible for more manufacturers ConnectivityA host of network protocols for the internet has made it easy to connect sensors to the cloud and to other “things for efficient data transfer Cloud computing platformsThe increase in the availability of cloud platforms enables both businesses and consumers to access the infrastructure they need to scale up without actually having to manage it all Machine learning and analyticsWith advances in machine learning and analytics along with access to varied and vast amounts of data stored in the cloud businesses can gather insights faster and more easily The emergence of these allied technologies continues to push the boundaries of IoT and the data produced by IoT also feeds these technologies Artificial intelligence AI Advances in neural networks have brought natural language processing NLP to IoT devices such as digital personal assistants Alexa Cortana and Siri and made them appealing affordable and viable for home use What industries can benefit from IoT ManufacturingManufacturers can gain a competitive advantage by using production line monitoring to enable proactive maintenance on equipment when sensors detect an impending failure Sensors can actually measure when production output is compromised With the help of sensor alerts manufacturers can quickly check equipment for accuracy or remove it from production until it is repaired This allows companies to reduce operating costs get better uptime and improve asset performance management AutomotiveThe automotive industry stands to realize significant advantages from the use of IoT applications In addition to the benefits of applying IoT to production lines sensors can detect impending equipment failure in vehicles already on the road and can alert the driver with details and recommendations Thanks to aggregated information gathered by IoT based applications automotive manufacturers and suppliers can learn more about how to keep cars running and car owners informed Transportation and LogisticsTransportation and logistical systems benefit from a variety of IoT applications Fleets of cars trucks ships and trains that carry inventory can be rerouted based on weather conditions vehicle availability or driver availability thanks to IoT sensor data The inventory itself could also be equipped with sensors for track and trace and temperature control monitoring The food and beverage flower and pharmaceutical industries often carry temperature sensitive inventory that would benefit greatly from IoT monitoring applications that send alerts when temperatures rise or fall to a level that threatens the product RetailIoT applications allow retail companies to manage inventory improve customer experience optimize supply chain and reduce operational costs For example smart shelves fitted with weight sensors can collect RFID based information and send the data to the IoT platform to automatically monitor inventory and trigger alerts if items are running low Beacons can push targeted offers and promotions to customers to provide an engaging experience Public SectorThe benefits of IoT in the public sector and other service related environments are similarly wide ranging For example government owned utilities can use IoT based applications to notify their users of mass outages and even of smaller interruptions of water power or sewer services IoT applications can collect data concerning the scope of an outage and deploy resources to help utilities recover from outages with greater speed HealthcareIoT asset monitoring provides multiple benefits to the healthcare industry Doctors nurses and orderlies often need to know the exact location of patient assistance assets such as wheelchairs When a hospital s wheelchairs are equipped with IoT sensors they can be tracked from the IoT asset monitoring application so that anyone looking for one can quickly find the nearest available wheelchair Many hospital assets can be tracked this way to ensure proper usage as well as financial accounting for the physical assets in each department General SafetyIn addition to tracking physical assets IoT can be used to improve worker safety Employees in hazardous environments such as mines oil and gas fields and chemical and power plants for example need to know about the occurrence of a hazardous event that might affect them When they are connected to IoT sensor based applications they can be notified of accidents or rescued from them as swiftly as possible IoT applications are also used for wearables that can monitor human health and environmental conditions Not only do these types of applications help people better understand their own health they also permit physicians to monitor patients remotely References	2022-02-25 23:15:08
海外TECH	DEV Community	How to Use Regular Expressions in Python	https://dev.to/jobsity/how-to-use-regular-expressions-in-python-3a2d	How to Use Regular Expressions in PythonIn Python Regular Expressions are also known as RegEx RegEx is a unique text string used for defining a search pattern Regular Expression is beneficial for extracting information from text such as code files logs spreadsheets or even documents In simple words RegEx is a combination of letters symbols and numbers you can use to search for things within a longer text This article sheds light on the usage of Regular Expression using Python While you are using the Regular Expression in Python the first and foremost thing is to understand that everything is a character and you are reproducing patterns to match a specific sequence of characters also regarded as strings In the programming world both newbie and experienced developers often ask how vital learning RegEx is Today our quest is to find out the importance of RegEx in the context of development with some simple and relevant examples Let me introduce some fundamental metacharacters in RegEx and their purpose of use To know more about RegEx syntax you may check the Official Documentation Character s What it does in Python A period Matches up any single character except the newline character A caret Matches up a pattern at the start of the string A Uppercase A It matches up only at the start of the string Dollar sign Matches the end of the string Z Uppercase Z It matches up only at the end of the string It matches the set of characters you specify within it Backslash Used to drop the special meaning of character following it w Lowercase w It matches any single letter digit or underscore W Uppercase W Matches any character not part of w s Lowercase s Matches up a single whitespace character like space newline tab return S Uppercase S It matches up any character that is not a part of s d Lowercase d Matches decimal digit D Uppercase D It matches any character that is not a decimal digit t Lowercase t Matches tab n Lowercase n Matches newline r Lowercase r Matches return b Lowercase b It matches up only the beginning or end of the word Checks if the preceding character appears single or multiple times Scrutinizes if the preceding character appears zero or more times Matches zero or one occurrence Checks for an explicit number of times Creates a group when performing matches lt gt Creates a named group when performing matches Note The above table doesn t shed light on every aspect of RegEx Don t bother if you can t wrap your head around all the meta characters for now With time and training you will understand the uniqueness of these characters and learn when to use them Python comes with a module named re to work with RegEx The basic syntax of importing the RegEx module is import re The RegEx mechanism comes with the module named re and it provides many functions In this tutorial I m going to discuss the three most practical and widely used functions re match FunctionThe re match function of the re module in Python searches for the regular expression pattern and returns the first occurrence The Python RegEx Match function checks for a match only at the beginning of the string Therefore if a match is found in the first line it immediately returns the matched object However if a match is seen in another line the Python RegEx Match function returns null Please allow me to show you a quick example now import re pattern C sequence IceCream sequence Catch print Sequence re match pattern sequence print Sequence re match pattern sequence group Output Sequence None Sequence C In the above example the function re match returns a corresponding match object if zero or more characters C at the beginning of the string match the pattern Else it returns None if the string does not match the given pattern As you can see we get an output of None because it didn t find the pattern at the beginning of the first occurrence re search FunctionThe re search function searches for the regular expression pattern and returns the first occurrence in a string Unlike the re match function it checks all lines of the input string The Python re search function returns a match object when the pattern is found and is null if the pattern is not found in the string Here is a simple example for your better understanding import re patterns Software testing Dan my string Software testing is a tough job for pattern in patterns print Looking for s in s pattern my string end if re search pattern my string print Here is a match case else print Not a match Output Looking for Software testing in Software testing is a tough job Here is a match case Looking for Dan in Software testing is a tough job Not a match I set two patterns in the above python program and searched them into my string For the first case the function got a matching case Therefore it returned positive and negative for the second case re findall FunctionIn Python the re findall method returns a list of strings containing all the matching cases from the input text upon provided pattern The re search method quickly searches the provided text using the specified pattern and returns only the first occurrence In contrast the re findall function iterates over all the lines of the file and returns all the non overlapping matches of pattern in a single step If the pattern is not found in the text re findall returns an empty list Let s write a simple python program to understand the re findall function s behavior import re my string Hello Dan Howdy my string Hello Dan Howdy pattern d result re findall pattern my string result re findall pattern my string print result print result Output If you look closely into the above example you ll find two different strings declared against a single pattern For the first string the re findall function got a match and returned the value as per the pattern demand On the other hand the second string did not have the pattern available in it Therefore the function returned an empty list Regular Expression is a vast topic and it requires a lot of practice to become a master of it In this tutorial I tried to give you a quick review of RegEx and its essential functions However it has many advanced level functions that you will know later on Being proficient in RegEx and its functions solving exercise is a must Feel free to browse through the other sections of the blog where you can find many other amazing articles on Programming IT Outsourcing and even Management Interested in hiring talented Latin American nearshore developers to add capacity to your team Contact Jobsity the nearshore staff augmentation choice for U S companies	2022-02-25 23:11:25
海外TECH	DEV Community	Postgres Connection Pooling and Proxies	https://dev.to/arctype/postgres-connection-pooling-and-proxies-468j	Postgres Connection Pooling and ProxiesOne essential concept that every backend engineer should know is connection pooling This technique can improve the performance of an application by reducing the number of open connections to a database Another related term is proxies which help us implement connection pools In this article we ll discuss connection pooling implementing it in Postgres and how proxies fit in We ll do this while also examining some platform specific considerations Challenges of managing user requestsMost applications have users constantly sending requests for different purposes and activities Some applications might have many requests while others might have fewer Furthermore the frequency and the intervals of these user requests also vary Whenever a user sends a request the backend database or servers need to perform several activities to open a connection maintain it and close it Several resources are used to perform these functions When multiple requests are coming simultaneously performing these functions for every request becomes challenging The database overhead is just too much to handle As a result when there are too many requests the number of transactions per second plummets and latency swells In essence the time to fulfill every request increases and the performance of database servers becomes relatively poor Here s where the concept of connection pooling comes into play What is connection pooling Connection pooling is the process of having a pool of active connections on the backend servers These can be used any time a user sends a request Instead of opening maintaining and closing a connection when a user sends a request the server will assign an active connection to the user Once the user has completed their process the active connection will be added back to the pool of connections This way the number of overhead operations drops significantly optimizing the servers performance and solving the problem of low transaction frequency and high latency When should you use connection pooling The connection pooling mechanism can be used in the following scenarios When the overhead for opening maintaining and closing connections is too much for servers to handle When an application requires JDBC or JTA connection objects When connections need to be shared among multiple users for the same transaction When the application doesn t manage the pooling of its own connections for operations such as creating a connection or searching for a username The obvious benefit of connection pooling is that it improves server performance Interestingly a server using pooling can operate at speeds almost double that of a server that doesn t leverage this strategy Connection Pooling and PostgresPostgres is an open source relational database management system RDBMS that has been actively developed by volunteers from its community for more than years Used by various applications on both web and mobile platforms Postgres has various tools and offers features such as foreign keys SQL sub selects hot standby as of views and triggers Postgres also has tools for connection pooling There are several tools in the ecosystem pgpool provides connection pooling load balancing high availability and replication abilities pgbouncer is the go to tool made for connection pooling only pgcat is pgbouncer rewritten in Rust with support for load balancing between replicas failover in case a replica fails a health check and sharding at the pooler level You can use either of these tools based on your project requirements However Pgbouncer is the more lightweight connection pooler of the two There are three main types of pooling supported by Pgbouncer Session Pooling This is the default method where a connection is assigned to a client application for the lifetime of the client connection Once the client application disconnects the connection is added back to the pool Transaction Pooling In this method the connection is assigned to the client application for every transaction Once the transaction ends the connection is added back to the pool Statement Pooling The connection is assigned for every statement Once the statement is complete the connection is released In this method multi statement transactions are not supported Crunchy Data Supabase and Heroku all offer built in solutions for using pgbouncer What is Yandex Odyssey Odyssey developed by Yandex is a newer solution for pooling While Pgbouncer is a single threaded pooler Odyssey supports multi core and multi threaded processing The tool has the following features Multi thread processingThis feature enables one to set up multiple worker threads to process connections With single threaded processing only one thread of instructions and requests could be processed simultaneously Here however many threads can be processed simultaneously Due to this the processing capabilities of the backend databases are scaled multiple times Evolved pooling mechanismsOdyssey s transactional pooling method is much more evolved than Pgbouncer If the client disconnects unexpectedly in the middle of a transaction after assigning a connection it ll automatically roll back the client to its previous state and cancel the connection Furthermore Odyssey can remember its last server connection owner client which means there s lesser overhead for the database to set up client options for every client to server assignment Besides the above two features there are numerous others such as full featured SSL TLS support the ability to define connection pools as database and users individual authentication for every pool and more These more advanced features are only possible thanks to Odyssey s architecture Let s see how it contributes ArchitectureOdyssey has an instance that manages the incoming client connection requests Beneath it is the worker pool with multiple worker threads that can process incoming connections Parallel to this worker pool is the system with routers servers consoles and cron The instance is an entry point for application requests and handles the initialization processes The system then starts the routers cron and console It listens to the incoming requests and when there is an incoming connection it notifies the worker pool The router is responsible for the attachment and detachment of client to server and client pool queueing among other operations The worker thread is responsible for creating coroutines for clients when an incoming connection request is received on the queue and handling the complete lifecycle of the client connection On the other hand the worker pool is responsible for managing all the threads Sometimes the multi threaded structure might have a lot of communication overhead such as when there are fewer requests and the requests time is relatively short In this case there is a single worker mode where instead of creating separate threads and coroutines for every worker thread only one worker coroutine is created inside the system thread While Odyssey and Pgbouncer function well as connection poolers with applications that have servers there s another solution for implementing connection pools in serverless environments These are proxy servers Before I give you an overview of this solution we ll need to make a detour to discuss how serverless applications function Serverless applicationsNot all applications require servers since maintaining them is quite a hassle their costs are much higher and there s a lot of waste As a result some applications go serverless In serverless applications when a user makes a request an instance is created their request is fulfilled within that instance and the instance is destroyed So in essence these instances are tiny containers that run only the code needed to fulfill the client s request and there s no other communication overhead Serverless environments present certain challenges for developers who want to use tools like Odyssey or Pgbouncer Odyssey s architecture is such that every instance manages the entire connection pool In a serverless environment numerous requests are made and an instance is created and destroyed for each request This means when there are multiple requests multiple instances will be created and this means there will be multiple connection pools that wouldn t have communication between each other since it all doesn t fall under one server Hence they will not be able to coordinate and communicate if and when the database is overloaded Thus Odyssey will not be able to offer its connection pooling services in a serverless environment Here s where Prisma Data Proxy comes into play What are proxies How do they work Proxy servers are a solution where a data management platform acts as an intermediary between the client and the database This proxy server can manage the traffic coming the database s way In this article we ll learn about proxies by studying Prisma Data Proxy This is a recent solution that is still in its early stages However it looks promising and even easy to handle with a clean layout and a navigable UI By using the connection string or clicking Create a new connection string you can set up the Prisma Data Proxy for serverless applications and manage the connection pools ConclusionConnection pooling is a helpful way to improve the performance of your application This article showed what challenges server and serverless applications face when managing client requests and how they can be solved with Postgres tools like Pgbouncer Odyssey and Prisma Proxy Data Consider implementing some of these solutions in your next project	2022-02-25 23:07:04
海外TECH	DEV Community	Niche website template: a best website template	https://dev.to/vijaysaini7147/niche-website-template-a-best-website-template-2bm8	Niche website template a best website templateBest website template New Minsite template to improve your online image gain more trust and rake in more sales Website is an essential part of any online business organization The best website template or niche website template gives the maximum sales and customers The attractive looks and design of the website attracts the customer and retain them frequently Greater design and color combination and well management of website sales more and more You need to choose the best website template which have more options and have the flexibility to add and remove those options A new mini site template that is different from what you normally see It s designed to give you that professionalism looks combined with a powerful corporate presence To give you that dependable look and gain the trust of your website visitors immediately And you know that people only buy from websites they trust BUY NOW	2022-02-25 23:06:19
Apple	AppleInsider - Frontpage News	Ukrainian leader urges Tim Cook to block Russia from App Store	https://appleinsider.com/articles/22/02/25/ukrainian-leader-urges-tim-cook-to-block-russia-from-app-store?utm_medium=rss	Ukrainian leader urges Tim Cook to block Russia from App StoreUkrainian Vice Prime Minister Mykhailo Fedorov has sent a letter to Apple requesting the tech giant block all Russian access to the App Store amid the ongoing crisis in Ukraine In a Tweet spotted by The Verge Fedorov states that he s contacted Tim Cook urging him to stop supplying Russia with Apple services and products He then specifically mentions ending access to the App Store for Russian citizens I ve contacted tim cook Apple s CEO to block the Apple Store for citizens of the Russian Federation and to support the package of US government sanctions If you agree to have the president killer then you will have to be satisfied with the only available site Russia pic twitter com bdmgvSーMykhailo Fedorov FedorovMykhailo February Read more	2022-02-25 23:32:22
Apple	AppleInsider - Frontpage News	Google Maps, Apple Maps, and smartphones are at the forefront of modern war	https://appleinsider.com/articles/22/02/25/google-maps-apple-maps-and-smartphones-are-at-the-forefront-of-modern-war?utm_medium=rss	Google Maps Apple Maps and smartphones are at the forefront of modern warWe ve gone beyond the revolution will be televised and are in a reality where the latest European war is live streamed not just through social media but on online mapping services without Google or Apple intending it The sheer volume of mapping data now available at our fingertips means it was possible for civilians half a world away to see when Russian forces began moving Specifically that data pinpointed a traffic jam starting on the Russian side of the border actively moving into Ukraine in the first few minutes of the Russian and Ukraine conflict Just as with any cartography this information required interpreting Google Maps did not specifically say that it was troop movements nor was its satellite imagery up to the minute During the process of researching this story we ve confirmed that Apple Maps presented similar inbound troop movement information ーbut it wasn t setting out to do that either Read more	2022-02-25 23:23:33
Cisco	Cisco Blog	Q&A on the MITRE D3FEND Framework	https://blogs.cisco.com/security/qa-on-the-mitre-d3fend-framework	Q amp A on the MITRE DFEND FrameworkPete Kaloroumakis of MITRE discusses the DFEND framework which alongside the ATT CK framework seeks to improve cybersecurity for both private and public organizations	2022-02-25 23:19:41
金融	金融総合：経済レポート一覧	静かに進むインフレ沈静化 ４大インフレ要因うち３つに明るい兆候：Market Flash	http://www3.keizaireport.com/report.php/RID/485798/?rss	marketflash	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	FX Daily（2月24日）～ロシアのウクライナ侵攻でドル円は一時114円台半ばに	http://www3.keizaireport.com/report.php/RID/485801/?rss	fxdaily	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	ヘッジファンド概況（2022年1月）～ヘッジファンドの資金動向：当月の運用損益は、中南米を除く全地域でマイナス...	http://www3.keizaireport.com/report.php/RID/485809/?rss	日興リサーチセンター	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	LIBOR公表停止後のドル調達プレミアムのモニタリングにおける留意点について：日銀レビュー	http://www3.keizaireport.com/report.php/RID/485825/?rss	libor	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	ＡｍｉｄＡホールディングス（東証マザーズ）～印鑑及びスタンプを中心にインターネット通販サイトで販売するEC通販事業を行う。足元の販売は堅調で22年6月期の小幅な営業増益計画に変更なし：アナリストレポート	http://www3.keizaireport.com/report.php/RID/485838/?rss	amida	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	ＣａＳｙ（東証マザーズ）～家事代行等の暮らし関連サービスのマッチングプラットフォームを運営。サービスの利用拡大が続き22年11月期は黒字化の見込み：アナリストレポート	http://www3.keizaireport.com/report.php/RID/485839/?rss	家事代行	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	プーチン大統領とFRBがもたらすリスク：プロの視点	http://www3.keizaireport.com/report.php/RID/485843/?rss	視点	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	ウクライナ侵攻により日米株は値動きの荒い展開～事態打開への糸口がみつかるまで上下に値幅の大きい相場展開が続くか	http://www3.keizaireport.com/report.php/RID/485845/?rss	糸口	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	米国株式が反発、ハイテク株中心に買い～ロシアのウクライナ侵攻で一時大幅続落も、買い戻しの動きが広がる：マーケットレポート	http://www3.keizaireport.com/report.php/RID/485847/?rss	三井住友トラスト	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	【石黒英之のMarket Navi】ロシアの軍事侵攻で頭を悩ませるFRB	http://www3.keizaireport.com/report.php/RID/485848/?rss	marketnavi	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	特別レポート| ウクライナ危機に揺れる金融市場、だが真の焦点は物価と金融政策	http://www3.keizaireport.com/report.php/RID/485849/?rss	三菱ufj	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	高まる不透明感、世界経済・株式市場の行方は？：Special Report	http://www3.keizaireport.com/report.php/RID/485850/?rss	specialreport	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	相場の観点から考えるウクライナ情勢～ロシアのウクライナへの軍事侵攻を受け世界の主要株価指数は軒並み大幅安となり原油は急騰...：市川レポート	http://www3.keizaireport.com/report.php/RID/485851/?rss	三井住友	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	アジア・トーク「米国利上げにおけるアジア経済」～インフレ率が低く、為替レートが安定しているアジアは利上げを急ぐ必要なし...	http://www3.keizaireport.com/report.php/RID/485852/?rss	三井住友	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	「金融サービス利用者相談室」における相談等の受付状況等（期間：令和３年10月１日～同年12月31日）	http://www3.keizaireport.com/report.php/RID/485859/?rss	金融サービス	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	NISA・ジュニアNISA口座の利用状況調査（2021年12月末時点）～NISA口座数（一般・つみたて）1,766万5,509口座	http://www3.keizaireport.com/report.php/RID/485860/?rss	金融庁	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	共済総研レポート No.179～令和３年度ＪＡ共済総研セミナーを振り返って / 災害による住宅被害に備える「自助」の促進 / 進行する地球温暖化と対策の現状...	http://www3.keizaireport.com/report.php/RID/485880/?rss	地球温暖化	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	災害による住宅被害に備える「自助」の促進～国・都道府県による取組みを中心に：共済・保険	http://www3.keizaireport.com/report.php/RID/485884/?rss	総合研究所	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	バーゼル銀行監督委員会による「バーゼルIIIモニタリングレポート」の公表について	http://www3.keizaireport.com/report.php/RID/485888/?rss	日本銀行	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	ネット・ゼロに向けた金融規制の役割：国際的な議論の動向：基礎研レポート	http://www3.keizaireport.com/report.php/RID/485894/?rss	Detail Nothing	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	【注目検索キーワード】経済制裁	http://search.keizaireport.com/search.php/-/keyword=経済制裁/?rss	経済制裁	2022-02-26 00:00:00
金融	金融総合：経済レポート一覧	【お薦め書籍】5秒でチェック、すぐに使える! 2行でわかるサクサク仕事ノート	https://www.amazon.co.jp/exec/obidos/ASIN/4046053631/keizaireport-22/	結集	2022-02-26 00:00:00
海外ニュース	Japan Times latest articles	Putin’s end-game? Split Ukraine and install ‘tame’ leadership.	https://www.japantimes.co.jp/news/2022/02/26/world/putin-endgame-ukraine-invasion/	Putin s end game Split Ukraine and install tame leadership Russia s invasion of Ukraine looks designed to take Kyiv and create a land corridor south to the Black Sea splitting the country into two military	2022-02-26 08:30:02
ニュース	BBC News - Home	Ukraine invasion: Russia restricts access to Facebook	https://www.bbc.co.uk/news/technology-60533083?at_medium=RSS&at_campaign=KARANGA	media	2022-02-25 23:29:10
ニュース	BBC News - Home	IT problems causing BA cancellations and delays at Heathrow	https://www.bbc.co.uk/news/business-60533275?at_medium=RSS&at_campaign=KARANGA	difficult	2022-02-25 23:05:51
ニュース	BBC News - Home	Ukraine conflict: Refugees from Ukraine arriving at Polish border speak to BBC	https://www.bbc.co.uk/news/world-europe-60532716?at_medium=RSS&at_campaign=KARANGA	bbcone	2022-02-25 23:28:35
ニュース	BBC News - Home	Southampton win deepens Norwich relegation worries	https://www.bbc.co.uk/sport/football/60426244?at_medium=RSS&at_campaign=KARANGA	comfortable	2022-02-25 23:09:55
ニュース	BBC News - Home	Stunning Mousasi stops Vanderford in round one to retain Bellator middleweight title	https://www.bbc.co.uk/sport/mixed-martial-arts/60532483?at_medium=RSS&at_campaign=KARANGA	Stunning Mousasi stops Vanderford in round one to retain Bellator middleweight titleGegard Mousasi retains his Bellator middleweight title with a stunning quick fire knockout of Austin Vanderford in Dublin	2022-02-25 23:42:58
ニュース	BBC News - Home	Kavanagh edges pulsating contest with McCourt	https://www.bbc.co.uk/sport/mixed-martial-arts/60510511?at_medium=RSS&at_campaign=KARANGA	dublin	2022-02-25 23:46:47
海外TECH	reddit	/r/worldnews Live Thread: Russian Invasion of Ukraine Day 3, Part II (Thread XXXI)	https://www.reddit.com/r/worldnews/comments/t1hkmj/rworldnews_live_thread_russian_invasion_of/	r worldnews Live Thread Russian Invasion of Ukraine Day Part II Thread XXXI submitted by u dieyoufool to r worldnews link comments	2022-02-25 23:21:25
海外TECH	reddit	Nurse on Thad Young: "We were trying to ease him into it, but there's no time to ease anymore. He's gonna have to play some big minutes, and I'm excited to see it. He looks like he knows how to play and he's versatile, and I'm excited to see what he looks like with our team”	https://www.reddit.com/r/fantasybball/comments/t1h9u1/nurse_on_thad_young_we_were_trying_to_ease_him/	Nurse on Thad Young quot We were trying to ease him into it but there x s no time to ease anymore He x s gonna have to play some big minutes and I x m excited to see it He looks like he knows how to play and he x s versatile and I x m excited to see what he looks like with our team submitted by u pascarooba to r fantasybball link comments	2022-02-25 23:07:10