投稿時間:2023-05-29 21:22:46 RSSフィード2023-05-29 21:00 分まとめ(26件)

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IT	InfoQ	Article: Tales of Kafka at Cloudflare: Lessons Learnt on the Way to 1 Trillion Messages	https://www.infoq.com/articles/kafka-clusters-cloudflare/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=global	Article Tales of Kafka at Cloudflare Lessons Learnt on the Way to Trillion MessagesCloudflare uses Kafka clusters to decouple microservices and communicate the creation change or deletion of various resources via protobuf a common data format in a fault tolerant manner The authors suggest investing in metrics for problem detection prioritizing clear SDK documentation and balancing flexibility and simplicity for standardized pipelines By Matt Boyle Andrea Medda	2023-05-29 11:30:00
TECH	Techable（テッカブル）	最短5分で自社のチャットボットAIを作れる！ノーコードAI作成サービス「猫の手GAI」	https://techable.jp/archives/207217	問い合わせ	2023-05-29 11:00:34
Ruby	Rubyタグが付けられた新着投稿 - Qiita	初めてRubyKaigiに現地参加して感じたこと	https://qiita.com/NIssyi/items/a9d03818bb139aad646a	rubykaigi	2023-05-29 20:13:23
技術ブログ	Developers.IO	Alteryx Inspire Keynote Day1 ～ Generative AIを活用した新たなデータ分析エンジン「Alteryx AiDIN」が発表されました！ #alteryx23	https://dev.classmethod.jp/articles/inspire2023-keynote-day1/	alter	2023-05-29 11:12:54
技術ブログ	Developers.IO	Amazon SageMaker Clarifyで出力したレポートの見方	https://dev.classmethod.jp/articles/output-report-with-shap-and-pdp-using-amazon-sagemaker-clarify/	amazonsagemakerclarify	2023-05-29 11:01:18
海外TECH	MakeUseOf	Here's What to Do if You Find Notion Overwhelming	https://www.makeuseof.com/what-to-do-if-notion-overwhelming/	powerful	2023-05-29 11:46:18
海外TECH	MakeUseOf	How to Use Repeating Reminders on an iPhone, iPad, and Mac	https://www.makeuseof.com/how-to-set-repeating-reminders-iphone-ipad-mac/	apple	2023-05-29 11:30:18
海外TECH	DEV Community	Gaslighting ai into 2+2=5	https://dev.to/virejdasani/gaslighting-ai-into-225-2n9i	false	2023-05-29 11:42:43
海外TECH	DEV Community	C# Regex: From Zero To Hero Guide	https://dev.to/bytehide/c-regex-from-zero-to-hero-guide-50e9	C Regex From Zero To Hero Guide Introduction to C Regex Why It s a Powerful Tool for Text ManipulationBefore diving into the magical world of regular expressions let s get an idea of why using C Regex is important and how it can boost your productivity as a developer In this section we ll walk through the basics of regular expressions their syntax and key elements to help you get started What is C Regex and Why You Should Learn ItC Regex or regular expressions in C is a powerful tool that allows you to manipulate text data by searching matching and replacing patterns within the text It helps in solving a great number of text related tasks such as form validation data extraction and text transformations Mastering C regular expressions will make you a more efficient developer and provide you the ability to tackle complex text manipulation tasks with ease Regular Expressions in C A Brief OverviewRegular expressions are a language for specifying patterns in text data It s like a super powered version of the wildcard functionality you re familiar with but much more powerful and flexible In C you don t need to worry about including any special library as Regex is natively supported The System Text RegularExpressions namespace contains the Regex class which provides all the tools needed for working with regular expressions in C The Power of NET Regex The Ultimate String Search Pattern ToolThe NET Regex engine is not only efficient and widely used but it also supports an extensive set of features Say goodbye to lengthy error prone string manipulation code Mastering the power of C Regex will help you create more accurate concise and efficient string search patterns that will make your applications more reliable and robust Getting Started with Regex in C Essential Building BlocksTo effectively use regular expressions in C it s essential to understand the syntax and building blocks In this section we ll cover the basics of C Regex syntax key elements for matching capturing and replacing text and give you an example to get started with matching patterns Understanding C Regular Expressions SyntaxRegular expressions have their own syntax which can be intimidating at first But fear not With practice and a bit of patience you ll start seeing the beauty in this concise and expressive language Here s a quick overview of some syntax elements you ll need to know Indicates the start of a line Indicates the end of a line Matches any character except a newline Matches the preceding element or more times Matches the preceding element or more times n Matches exactly n occurrences of the preceding element abc Matches any one of the characters a b or c abc Groups the expression inside the parentheses and treats them as a single element And that s just the tip of the iceberg As you progress in your Regex journey you ll discover more advanced elements to create even more powerful search patterns Key Regular Expression C Elements Matching Capturing and ReplacingUsing regex in C starts with three fundamental techniques matching capturing and replacing Matching involves finding if a pattern exists in the input text while capturing goes beyond matching and extracts the matched text for further processing Replacing as the name suggests involves changing the matched text and substituting it with new content For example let s say you have a list of email addresses and you want to extract the usernames the part before the symbol from them Here s a simple C regex example that demonstrates the three techniques in action using System using System Text RegularExpressions class MainClass public static void Main string args string input alice example com bob example com carol example com string pattern w Matching and Capturing MatchCollection matches Regex Matches input pattern foreach Match match in matches Console WriteLine match Groups Value Extract the captured group username Replacing string replaced Regex Replace input pattern is at Console WriteLine replaced This code snippet demonstrates how to Match and capture usernames using the regex w Extract the captured group the username within a loop Replace the email addresses with a modified version so that email addresses are displayed as “username is at example com Regex C Match The Importance of Accurate Matching in CAccurate matching is the crux of regex usage in C An incorrect pattern can lead to bugs and issues in your application so it is crucial to have a strong grasp of regex patterns Regular expressions can be very complex but with practice you ll be able to create precise efficient and intelligible patterns Take the time to test and refine your regex patterns as this will prove invaluable in the long run Regex Match C Example The Essential Code to Get You Started on MatchingTo give you a head start in mastering matching in C regex here s a basic example demonstrating how to match a regex pattern against an input string using System using System Text RegularExpressions class MainClass public static void Main string args string input Hooray for Regex It s a match made in code heaven string pattern bmatch b Check if the word match is in the input string bool isMatch Regex IsMatch input pattern Console WriteLine isMatch Output True In this example we use the Regex IsMatch method to check if the word “match is present within the input string and then output the result True False accordingly C Regex Pattern Building Complex and Efficient PatternsAs you gain experience with C regex you ll become familiar with the endless potential of regex patterns Creating complex and efficient patterns requires understanding new syntax elements as well as the ability to nest and combine them effectively Keep practicing and exploring regex resources to help you build increasingly intricate and powerful patterns Mastering Regex in C with Simple Regex Examples CTo help you make quick progress in your regex journey we ll explore three examples basic intermediate and advanced that demonstrate using C regex in real world situations Each example will showcase different regex concepts and techniques to help you become a true regex aficionado Basic C Regex Example A Simple Regular Expression for Email ValidationEmail validation is a common task encountered by developers The following example demonstrates a basic regex pattern that checks if an input string is a valid email address using System using System Text RegularExpressions class MainClass public static void Main string args string input john doe example com string pattern S S S Check if the input is a valid email address bool isValidEmail Regex IsMatch input pattern Console WriteLine isValidEmail Output True In this example we use the Regex IsMatch method again but with a more complex pattern that checks for a valid email format Intermediate C Regex Example Web Scraping Using Regular ExpressionsThis intermediate example demonstrates how to extract specific information from a block of HTML text using regex Consider the following example that extracts all the URLs from a list of links in an HTML page using System using System Text RegularExpressions class MainClass public static void Main string args string input lt a href gt Example lt a gt lt a href gt Example lt a gt lt a href gt Example lt a gt string pattern href https S Find and output each URL in the input string MatchCollection matches Regex Matches input pattern foreach Match match in matches Console WriteLine match Groups Value Output Extracted URL Here we use the Regex Matches method to find and capture all URLs within the lt a gt tags in the input string The extracted URLs are then printed to the console Advanced C Regex Example A Case Study on Extracting Structured Data from Unstructured TextIn this advanced example we ll extract structured data from an unstructured block of text let s say grabbing the name location and email from a resume like text using System using System Text RegularExpressions class MainClass public static void Main string args string input Name Jane Smith Location New York NY Email jane smith email com string pattern Name s lt name gt Location s lt location gt Email s lt email gt S S S RegexOptions options RegexOptions Multiline RegexOptions IgnorePatternWhitespace Match match Regex Match input pattern options if match Success Console WriteLine Name match Groups name Value Console WriteLine Location match Groups location Value Console WriteLine Email match Groups email Value In this example named capture groups using lt name gt are employed to make extracting the desired information easier Additionally the RegexOptions Multiline and RegexOptions IgnorePatternWhitespace options are used to allow for multiline matching and ignore whitespace in our pattern respectively C Regex Replace Updating Text with Precision and EfficiencyEfficient text manipulation involves more than just finding and capturing text Understanding how to use C regex replace techniques with precision will significantly enhance your text processing skills In this section we ll explore the art of regex replace in C and delve into tips and tricks for optimal results The Art of C Regex Replace How to Replace Text Like a ProRegex replace allows us to modify the input text based on a regex pattern substituting the matched text with new content This is particularly useful when cleaning up or transforming data The power and flexibility offered by regex replace will turn you into a text manipulation maestro in no time Using Regex in C to Replace Text Tips and Tricks for Optimal ResultsHere are some tips and tricks for using regex replace in C to achieve optimal results Use non capturing groups when the matched text doesn t need to be captured It makes the regex pattern more efficient and readable Utilize regex replace with a lambda expression for more complex replacements Keep your regex patterns concise and readable for easier maintainability Regex Replace C Example Implementing Advanced Replacement RulesLet s say you have a string that contains dates in the format yyyy MM dd and you need to replace them with the format dd MM yyyy using System using System Text RegularExpressions class MainClass public static void Main string args string input I was born on and started my job on string pattern d d d string replacement Replace dates with the new format string output Regex Replace input pattern replacement Console WriteLine output Output I was born on and started my job on In this example we use capturing groups to create a replacement template which reformats the date string with the desired pattern Essential NET Regex Functions Making Your C Regex more PowerfulTo truly harness the power of regex in C it s essential to master the built in NET Regex functions In this section we ll cover key functions such as Regex IsMatch Regex Matches Regex Replace and more giving you the skills necessary to handle even the most complex text manipulation tasks with ease C Regex IsMatch Quickly Checking If a String Matches a PatternThe Regex IsMatch method allows you to quickly check if an input string matches a regex pattern returning a bool value that represents the result This function is especially useful for simple validations and pattern checks Here s an example that ensures a password contains at least one uppercase letter one lowercase letter one digit and is between and characters long using System using System Text RegularExpressions class MainClass public static void Main string args string input Abc string pattern A Z a z d Check if the input is a valid password bool isValidPassword Regex IsMatch input pattern Console WriteLine isValidPassword Output True In this example the Regex IsMatch method checks if the input string matches the password requirements specified in the pattern Using C Regex Matches Extracting Multiple Matches from a Single CallThe Regex Matches method enables you to extract multiple matches from a single input string returning a MatchCollection object containing all matches found This method is incredibly useful for extracting data from large unstructured text Here s an example that finds all words containing or more characters in a string using System using System Text RegularExpressions class MainClass public static void Main string args string input Regex can do wonders for your text manipulation skills string pattern b w b Find and output all words containing or more characters MatchCollection matches Regex Matches input pattern foreach Match match in matches Console WriteLine match Value In this example the Regex Matches method finds and extracts all words in the input string that match the specified pattern Mastering C Regex Replace Up Your Game in Text ManipulationAs we ve seen in previous examples the Regex Replace method provides a powerful way to manipulate text by replacing matched portions of an input string with new content To truly master text manipulation in C you ll need to have a deep understanding of Regex Replace including how to use it with capture groups backreferences and Lambda expressions for added power and flexibility Exploring Other Regular Expression C Methods C Replace Regex Check Regex and MoreIn addition to the core C Regex methods we ve discussed make sure to explore other useful methods available in the Regex class such as Regex Split Regex Escape and Regex Unescape Each of these methods offers additional functionalities that can help you streamline your text processing tasks and create more advanced and efficient applications The C Regex Cheat Sheet A Handy Reference Guide for Common Regex TasksTo help solidify your understanding of regular expressions in C here s a cheat sheet containing numerous essential regex syntax elements functions and patterns that every C developer should know C String Pattern Essentials Building Blocks Every Developer Should Know Start of a line End of a line Any character except newline or more of the preceding character n m At least n up to m of the preceding character abc Capturing group abc Character set matching a b or c abc Negated character set matching characters not in a b or c Alternation match one of the expressions on either side of the These are just a few examples of the regex syntax elements you ll encounter The full list of regex syntax elements can be found in the official NET documentation System Text RegularExpressions Regex IsMatch Your Go To Function for Quick MatchingAs previously mentioned the Regex IsMatch method is a quick and easy way to check if an input string matches a regex pattern Add this method to your toolbox to handle simple pattern checks and validations effortlessly A Comprehensive List of Regex C Match Chars and Shortcuts From Simple to Advanced d A digit D A non digit character w A word character letter digit or underscore W A non word character s A whitespace character space tab newline etc S A non whitespace character Positive lookahead Negative lookahead lt Positive lookbehind lt Negative lookbehind Non capturing group etc Backreferences to previously captured groupsThis expanded list offers a more comprehensive look at the various regex elements available to you Continuously expand your knowledge by exploring regex tutorials guides and documentation to better understand and utilize C regex patterns in your projects Advanced C Regex Techniques to Boost Efficiency and Improve PerformanceAs you become more proficient in using C regex you ll want to explore advanced techniques that can boost efficiency and improve performance In this section we discuss how to optimize your regex patterns for faster results implement complex regex requirements and employ C best practices for clean and effective code Optimizing Your Regex C Match Searches for Faster ResultsEfficient regex patterns yield better performance Here are a few tips to optimize your regex searches with practical examples Use non capturing groups whenever possible Instead of using expression which captures the expression use expression which matches but won t capture the expression Capturing group examplestring input The color is red Match match Regex Match input The color is red blue Console WriteLine match Groups Value Output red Non capturing group exampleinput The color is red match Regex Match input The color is red blue Console WriteLine match Groups Value Output The color is red Avoid overly complex or nested patterns Simplify your regex pattern and divide it into smaller patterns if needed Refactor your code to use multiple simple patterns instead of a single complex pattern Utilize anchors and to limit the search scope Anchors can help speed up the regex matching as they limit the search scope reducing the processing time string input apple nbanana ngrape norange string pattern grape Match match Regex Match input pattern RegexOptions Multiline Console WriteLine match Value Output grape Implementing C String Search Patterns for Complex Regex RequirementsImplementing complex regex requirements often involves using advanced regex features such as lookahead and lookbehind assertions These allow you to create patterns that take the surrounding context into account without actually capturing the text Understanding and utilizing these advanced features will enable you to create more powerful and precise search patterns LookaheadPositive lookahead ensures that the pattern inside the lookahead is present in the string but doesn t consume characters in the string string input I want to buy a car and a bike string pattern ba w a b MatchCollection matches Regex Matches input pattern foreach Match match in matches Console WriteLine match Value Output carNegative lookahead ensures that the pattern inside the lookahead is not present in the string but doesn t consume characters in the string input I want to buy a car and a bike pattern ba w a b matches Regex Matches input pattern foreach Match match in matches Console WriteLine match Value Output bike LookbehindPositive lookbehind lt ensures that the pattern inside the lookbehind is present in the string but doesn t consume characters in the string input kg of apples and kg of oranges pattern lt d s kg matches Regex Matches input pattern foreach Match match in matches Console WriteLine match Value Output kgNegative lookbehind lt ensures that the pattern inside the lookbehind is not present in the string but doesn t consume characters in the string string input apple orange string pattern lt apple Match match Regex Match input pattern Console WriteLine match Value Output no match found Regex in NET Tips for Seamless Interoperability in Your C ProjectsRegular expressions in C are part of the NET library which means they are easily interoperable with other NET languages and tools Ensure that you re familiar with the NET regex syntax and follow established best practices when working in a multi language environment This will help you maintain consistent code reduce potential bugs and ensure a seamless regex experience across your entire project For example when working with VB NET or F developers share your regex patterns and ensure everyone understands the syntax and structure of the patterns used in the project Use established naming conventions for the regex patterns and keep the patterns similar across all languages to make it easier for developers from different language backgrounds to read and understand them Regular Expressions C Best Practices Developing Clean Efficient and Readable CodeTake the time to develop clean efficient and readable regex code Keep your patterns concise and maintainable to ensure long term stability and efficiency Include comments and explanations for complex regex expressions to guide fellow developers making it easier for them to understand and maintain the code As with all programming scenarios following best practices is key to achieving optimal results with your C regex implementation For example string pattern Start of the line lt header gt w s Header word and whitespace characters Literal colon separator lt content gt Content any non newline chars End of the line This pattern demonstrates the use of comments to explain each portion of the regex pattern making it easier for others and your future self to understand the purpose and behavior of the regex pattern Putting It All Together C Regex for Real world ApplicationsAs you ve seen throughout this guide C regex can be a versatile and powerful tool for text manipulation in various real world applications Let s recap some practical use cases for regex in C with examples to provide further insights Practical Use Cases for Regex in C SharpHere are a few example applications that can benefit from the power of regex in C Form validation and input sanitization for web applications Regex can be used to validate form fields in a web application such as checking if an email address follows the correct format string emailPattern b A Z A Z A Z b bool isValidEmail Regex IsMatch john doe example com emailPattern RegexOptions IgnoreCase Console WriteLine isValidEmail Output True Extracting and transforming data for data analysis or reporting Regex can be used to parse log files for example and extract useful information like error messages timestamps and user data string logText ERROR Could not connect to database string regexPattern bERROR b s s Match match Regex Match logText regexPattern Console WriteLine match Groups Value Output Could not connect to database Web scraping and data mining Regex can be utilized to extract content from web pages such as fetching all the links on a webpage string htmlText lt a href gt Example lt a gt lt a href gt Example lt a gt string linkPattern lt a s href gt gt MatchCollection matches Regex Matches htmlText linkPattern foreach Match match in matches Console WriteLine match Groups Value Search functionality within a text editor or IDE Regex can be used to find specific patterns or strings in large code files or text documents helping you quickly locate the information you need string code using System nnamespace HelloWorld class Program static void Main string args Console WriteLine Hello World Regex pattern to find Console WriteLine method and find all matchesMatchCollection matches Regex Matches code Console WriteLine Print the number of matches foundConsole WriteLine Found matches Count matches Log file analysis and debugging By using regex patterns you can parse log files to find specific error messages or occurrences aiding in the debugging process string logContents INFO Success n ERROR Failure string errorPattern ERROR MatchCollection errorMatches Regex Matches logContents errorPattern RegexOptions Multiline foreach Match match in errorMatches Console WriteLine match Value Using Regex C in ASP NET for Form Validation and Input SanitizationRegex plays a vital role in form validation and input sanitization in web applications Mastering regex in C allows you to create robust and secure ASP NET applications that efficiently validate user input ensuring data integrity and preventing potential security issues For example you can use regex in conjunction with Validator controls such as RegularExpressionValidator to match a specific pattern in user submitted input lt asp TextBox ID emailTextBox runat server gt lt asp RegularExpressionValidator ID emailValidator runat server ControlToValidate emailTextBox ErrorMessage Invalid email format ValidationExpression b A Z A Z A Z b gt lt asp RegularExpressionValidator gt C Regular Expressions in Data Processing Extracting and Transforming Text in Real timeRegex is a game changer when it comes to data processing It empowers you to effortlessly extract and transform text data in real time simplifying complex data processing tasks and improving the overall efficiency of your applications For example you might need to parse thousands of lines of text files and extract specific information such as all email addresses within the text string input Contact Alice at alice example com and Bob at bob example org string emailPattern b A Z A Z A Z b MatchCollection emailMatches Regex Matches input emailPattern RegexOptions IgnoreCase foreach Match match in emailMatches Console WriteLine match Value Output alice example com bob example orgAnother example would be transforming formatted text such as removing all HTML tags from a given text while preserving the content string htmlText lt h gt Hello world lt h gt lt p gt This is lt strong gt bold lt strong gt text lt p gt string htmlTagPattern lt gt gt string plainText Regex Replace htmlText htmlTagPattern string Empty Console WriteLine plainText Output Hello world This is bold text As you delve deeper into the world of C regex you will discover countless areas of application that can benefit from the power and flexibility offered by regular expressions By mastering regex you can tackle complex text manipulation tasks head on enhancing the performance and capabilities of your applications and ultimately becoming a more effective and proficient C developer Conclusion Becoming a C Regex MasterThroughout this guide you ve explored the world of C regex from basic syntax elements to advanced techniques The possibilities are virtually limitless once you ve mastered regex in C Continue honing your regex skills and applying them to real world applications to take full advantage of the power and flexibility that regular expressions in C offer Happy regexing	2023-05-29 11:22:27
海外TECH	DEV Community	Adding a cache in Python	https://dev.to/mxglt/adding-a-cache-in-python-5coh	Adding a cache in PythonWhen we work on apis especially to display informations it oftenly comes to a point where we have many identical calls So to avoid an overutilization of our resources and gain speed we can setup a cache directly in our Python code Today we will see how to do it with lru cache SetupLike a lot of python librairies lru cache is available through pip PIP Lru cache pip install lru cache How to use itfrom cache import LruCache LruCache maxsize timeout def foo num return num As you can see it it s really easy to use it You just have to add an annotation above the function where you want to add cache Parameters maxsizemaxsize is the maximum of differents calls of the method which can be cached at the same time differents calls of the method means that at least one parameter changed Examplefoo Foo is called and its return is added in cachefoo Value directly returned from cachefoo Foo is called and its return is added in cachefoo Foo is called and its return is added in cache instead of the return of foo as the max size is foo Foo is called and its return is added in cacheIf no value is given for this parameter so every different calls will be cached timeouttimeout is the number of seconds where the result of a call is stored before calling again the method foo Called at Foo is called and its return is added in cachefoo Called at Value directly returned from cachefoo Called at Foo is called and its return is added in cachefoo Called at Value directly returned from cachefoo Called at Value directly returned from cachefoo Called at Previous value expired Foo is called and its return is added in cacheIf no values are given for this parameter all the informations will be stored until a restart of the python app Invalidate cacheIf you need to invalidate a value in your cache you can use the following line foo invalidate num And that s it With only lines we are able to add cache and invalidate some data to increase our performances and reduce the resource usage I hope it will help you and if you have any questions there are not dumb questions or some points are not clear for you don t hesitate to add your question in the comments or to contact me directly on LinkedIn You want to support me	2023-05-29 11:21:00
海外TECH	DEV Community	Ajouter un cache en Python	https://dev.to/mxglt/ajouter-un-cache-en-python-4e1o	Ajouter un cache en PythonQuand on bosse sur des apis notamment pour visualiser des informations ça arrive rapidement qu on ait plein d appels identiques Du coup pour éviter une surutilisation inutile de nos ressources on peut mettre en place un cache directement dans notre api en Python Donc aujourd hui on va voir comment faire ça avec lru cache InstallationComme beaucoup de librairie python lru cache est disponible via pip PIP Lru cache pip install lru cache Utilisationfrom cache import LruCache LruCache maxsize timeout def foo num return num Comme vous pouvez le constater son utilisation est très simple Il s agit d une annotation àajouter au dessus de la déclaration de la méthode que vous voulez cacher Paramètres maxsizemaxsize correspond au nombre maximum d appels différents de la méthode foo que l on veut cacher en même temps Par appels différents on entend qu il y a au moins un paramètre qui change Exemplefoo Foo est appeléet le résultat est mis dans le cachefoo La valeur est directement retournée du cachefoo Foo est appeléet le résultat est mis dans le cachefoo Foo est appeléet le résultat est mis dans le cache àla place du résultat de vu que la taille maximale du cache est foo La valeur est directement retournée du cacheSi aucune valeur n est donnée alors toutes les informations seront cachées timeouttimeout correspond au nombre de secondes oùle résultat d un appel doit être conservée dans le cache foo Appel fait à La méthode est appelée et le résultat est stockée dans le cachefoo Appel fait à Le résultat vient du cachefoo Appel fait à La méthode est appelée et le résultat est stockée dans le cachefoo Appel fait à Le résultat vient du cachefoo Appel fait à Le résultat vient du cachefoo Appel fait à La valeur précédente du cache a expiré la méthode sera donc appelée ànouveau et le résultat sera stockédans le cache Si aucune valeur n est donnée pour ce paramètre toutes les informations seront conservées jusqu au redémarrage du service Invalider le cacheSi jamais vous avez besoin d invalider une valeur dans le cache rendre une valeur invalide dans le cache forçant son remplacement au prochain appel vous pouvez utiliser le traitement suivant foo invalidate num Et voilà En simplement quelques lignes on a étécapable de mettre en place un cache permettant d améliorer les performances de notre api J espère que ça vous aidera et si jamais vous avez des questions quelles qu elles soient Il n y a jamais de questions bêtes ou des points qui ne sont pas clairs pour vous n hésitez pas àlaisser un message dans les commentaires ou àme joindre directement sur LinkedIn même pour parler d autres sujets Vous voulez me supporter	2023-05-29 11:19:23
海外TECH	DEV Community	What actually happens when you git?	https://dev.to/ag2byte/what-actually-happens-when-you-git-36nf	What actually happens when you git Git is by far one of the most useful tools if you are a software developer Git is a version control system used by developers to keep track of changes made to a project s codebase It allows multiple people to collaborate on the same codebase without overwriting each other s work But what s even interesting is how Git manages to maintain the different versions of the code down to an individual line In this article we will take a look into how git actually handles the version control system The git folderWhenever you initialise a project with git init a hidden folder called git This is where git stores information regarding the project git configurations and information about the versions Let s initialise a folder with git and see the contents git initThese are the contents of the git folder config contains details about the repository configurations like username and password for the project etc This file is overwritten with new properties description contains the description of the repositoryHEAD This file maintains the reference to the current branch At the moment it must be the master branch refs stores references to all the branches objects stores the data of the Git objects which contains contents of all the files checked in commits etc hooks contains shell script commands that are executed post git commands info contains information about the repository Git s SHA hashingGit stores data in the form of blob objects Every blob in git is hashed with SHA which are bytes represented by hexadecimal characters We can generate hashes for any content For example the SHA hash for “Superman is fcfebeffcddadbad There is one and only one hash for the content “Superman You can check this for yourself using❯echo Superman git hash object stdinfcfebeffcddadbadIf we change the content we get a completely new hash❯echo SuperMan git hash object stdinbaceaaaafaefaThis is the basis of what git does It tracks the changes by generating a different hash each tome a change comes in A new commitNow lets add a file called testfile to this repo and commit it❯touch testfile❯git add testfile❯git commit m added test file Now notice the commit number cedc This is the blob object created for this commit Git maintains the versions using something similar to a file system It stores the content of the object the commits in the form of a blob object The difference between blob and file is that blob stores only the content while file can store the metadata as well cedc is just the first seven letters of the actual hashed name If we now go to the git folder we see the following Here you can see the full hashed name under folder c The string starting with c and ending with b is the full hash of the commit blob But what about the other hashes We did not create them Well we did create them…sort of Let me explain Type the following command in the root of the project ❯git cat file cedcabbffedfdb pThis command shows the content of the hash in this case it is the commit object As you can see the content of this blob is added test file which was our content for the commit message It contains a reference to other hash cdcef which contains the contents about the tree Again if we use git cat file in this hash we get the followingThis time it contains a reference to the testfile and is stored as hash ede Thus now we have the filename the content of the file and the tree all stored in git in their hashed format Making changesNow lets add some content in testfile Adding a simple text “this is a test file in the file Now when we do git status we see that this file has been modified because the respective generated hashes do not match with what is present in the git folder This can be tracked down to individual line as git maintains a hash of the content at the lowest level as seen above Lets commit this change ❯git add testfile❯git commit m second commit This time three new subdirectories are added under objects Again using git cat file we can see the contents of these new hashes This time we have a new property for this hash parent Since git commits work in the form of trees and each commit is a node the previous commit becomes the parent of this commit Therefore ced is the parent of the commit fe Thus it becomes easier to track commits and their history is represented in the form of the relation between nodes ConclusionNow we know how git maintains a version report of every single piece of content in the project Git can then use these generated hashes and the tree to pinpoint exactly the content that is required down to the smallest level Thanks for reading	2023-05-29 11:17:40
Apple	AppleInsider - Frontpage News	TikToker shocked by high Verizon bill over 'free' Apple Watch promo	https://appleinsider.com/articles/23/05/29/tiktoker-shocked-by-high-verizon-bill-over-free-apple-watch-promo?utm_medium=rss	TikToker shocked by high Verizon bill over x free x Apple Watch promoA TikTok creator claims she was scammed by a Verizon store over the Apple Watch after being told a promotion involving the wearable devices didn t use cellular service except they did Apple Watch SERetailers often provide extra hardware as a promotional item to encourage customers into buying products or services While in most cases it s all above board one TikTok user believes that they were tricked into something they didn t agree to Read more	2023-05-29 11:03:50
海外TECH	Engadget	Microsoft's Xbox Elite Series 2 controller is $35 off right now	https://www.engadget.com/microsofts-xbox-elite-series-2-controller-is-35-off-right-now-114033199.html?src=rss	Microsoft x s Xbox Elite Series controller is off right nowIf you re in the market for a quality controller without breaking the bank now might be a good opportunity Microsoft s Xbox Elite Series Controller in black is percent off dropping from to Though it s not the lowest we ve seen it s still a decent sized drop from its retail price nbsp The Xbox Elite Wireless Controller Series is a solid option for Xbox gamers regardless of your system of choice as it s compatible with Xbox Series X S Xbox One and Windows or devices through Xbox Wireless or Bluetooth There s also an option to connect it with an included USB C cord You can swap parts like D pads and paddles save up to three unique profiles to the controller and explore button mapping options through the Xbox Accessories app It also holds up to hours of battery life Microsoft s Xbox Wireless Headset is also on sale down from to ーa percent discount The headphones are compatible across the same systems as Xbox s wireless controller such as Xbox Series X S Additional features include auto mute voice isolation and up to hours of battery life The headphones have sound technologies like Dolby Atmos and Windows Sonic with volume control dials located on the left earcup The wireless headset is still a good more than its wired counterpart but if free movement is important to you the discount certainly helps If you re looking to update all your accessories for the summer the sale brings the total price of the wireless headset and controller to ーsaving you overall This article originally appeared on Engadget at	2023-05-29 11:40:33
海外TECH	Engadget	The Morning After: Japan will try to beam solar power from space by 2025	https://www.engadget.com/the-morning-after-japan-will-try-to-beam-solar-power-from-space-by-2025-111516653.html?src=rss	The Morning After Japan will try to beam solar power from space by JAXA Japan s NASA equivalent has spent decades trying to make it possible to beam solar energy from space which seems like technology for a far future space anime In JAXA scientists successfully beamed kilowatts of power enough energy to power an electric kettle meters away wirelessly Now a Japanese public private partnership will attempt to beam solar energy from space as early as The project involves deploying into orbit a series of small satellites which will beam collected solar energy to ground based receiving stations hundreds of miles away While this already seems a huge step up from a kettle meters away it s just the start of the challenge Creating a satellite array that can generate gigawatt of power or about the output of one nuclear reactor is estimated to cost around billion with current technologies Mat SmithThe Morning After isn t just a newsletter it s also a daily podcast Get our daily audio briefings Monday through Friday by subscribing right here The biggest stories you might have missedThe best DACs for Apple Music Lossless in Hitting the Books Renee Descartes had his best revelations while baked in an ovenMeta s Quest headset could feature color cameras for more lifelike pass through videoAfter a rocky start Formula E s Gen car is living up to its potential The best Memorial Day tech sales we could findFire pits wireless headphones and a pizza oven nbsp nbsp It s a national holiday so of course Memorial Day brings a few bargains and deals so you can celebrate those who served in the military by…shopping Notable deals include off Sony s excellent WH XM headphones Amazon s Fire TV Stick K Max back at an all time low of and Apple s iPad Air down to Continue reading Naughty Dog says its Last of Us multiplayer game needs more timeThe studio has other games in development including a new single player title One of the most notable omissions from this week s PlayStation Showcase was anything from Naughty Dog Many including yours truly expected the studio to reveal more details about its Last of Us multiplayer game but we ll need to wait a little longer to hear more In a statement posted on Twitter Naughty Dog said quot We re incredibly proud of the job our studio has done thus far but as development has continued we ve realized what is best for the game is to give it more time quot As such it now seems unlikely we ll hear much about the game during Summer Game Fest where Naughty Dog offered a first peek at concept art from the project last year Continue reading US judge grants final approval to Apple s million butterfly keyboard settlementPayouts will start rolling out soon EngadgetA US federal court gave final approval to the million class action settlement over claims Apple knew about and concealed the unreliable nature of keyboards on MacBook MacBook Air and MacBook Pro computers released between and Judge Edward Davila on Thursday called the settlement involving Apple s infamous butterfly keyboards “fair adequate and reasonable Under the agreement MacBook users impacted by the saga will receive settlements between and More than claims for class member payments were made before the application deadline last March Judge Davila wrote in his ruling However Apple won t have to admit wrongdoing as part of the settlement agreement Continue reading This article originally appeared on Engadget at	2023-05-29 11:15:16
医療系	医療介護 CBnews	医療・介護の歳出改革年末へ議論継続、財政審-24年度の同時改定への対応など	https://www.cbnews.jp/news/entry/20230529194458	介護報酬	2023-05-29 20:40:00
医療系	医療介護 CBnews	コロナ罹患後症状のある回復者の精神状況悪化も-厚労省が精神保健福祉センターの対応状況を公表	https://www.cbnews.jp/news/entry/20230529193138	電話相談	2023-05-29 20:10:00
ニュース	BBC News - Home	Ukraine war: Fresh attacks on Kyiv after intense drone barrage	https://www.bbc.co.uk/news/world-europe-65740839?at_medium=RSS&at_campaign=KARANGA	barrageukraine	2023-05-29 11:52:31
ニュース	BBC News - Home	This Morning: Presenters say 'we love making this show' as Schofield row continues	https://www.bbc.co.uk/news/entertainment-arts-65745586?at_medium=RSS&at_campaign=KARANGA	doctor	2023-05-29 11:49:07
ニュース	BBC News - Home	This Morning: 'We love making this show' - Dermot O'Leary	https://www.bbc.co.uk/news/entertainment-arts-65744701?at_medium=RSS&at_campaign=KARANGA	morning	2023-05-29 11:08:41
ニュース	BBC News - Home	Metropolitan Police: Move to attend fewer mental health calls sparks alarm	https://www.bbc.co.uk/news/uk-65741824?at_medium=RSS&at_campaign=KARANGA	calls	2023-05-29 11:51:36
ニュース	BBC News - Home	Government support to be offered to disaster witnesses	https://www.bbc.co.uk/news/uk-england-manchester-65745703?at_medium=RSS&at_campaign=KARANGA	arena	2023-05-29 11:27:06
ニュース	BBC News - Home	John Caldwell: Seven men in court over attempted murder of detective	https://www.bbc.co.uk/news/uk-northern-ireland-65723277?at_medium=RSS&at_campaign=KARANGA	february	2023-05-29 11:47:09
ニュース	BBC News - Home	Two injured after escaped bull charges into crowd at Kununurra rodeo	https://www.bbc.co.uk/news/world-australia-65745451?at_medium=RSS&at_campaign=KARANGA	charges	2023-05-29 11:35:19
ニュース	BBC News - Home	Scotland: Hibernian's Kevin Nisbet earns recall as Southampton's Che Adams misses out	https://www.bbc.co.uk/sport/football/65745470?at_medium=RSS&at_campaign=KARANGA	Scotland Hibernian x s Kevin Nisbet earns recall as Southampton x s Che Adams misses outHibernian striker Kevin Nisbet is back in the Scotland for this month s Euro qualifiers in place of the injured Che Adams	2023-05-29 11:16:05
ニュース	BBC News - Home	Garth Crooks' Team of the Season: Dias, Casemiro, Gundogan, De Bruyne, Haaland	https://www.bbc.co.uk/sport/football/65740717?at_medium=RSS&at_campaign=KARANGA	season	2023-05-29 11:05:17