投稿時間:2021-07-31 01:33:44 RSSフィード2021-07-31 01:00 分まとめ(34件)

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IT	ITmedia 総合記事一覧	[ITmedia News] 初代ポケモンで買えなかった100万円の「じてんしゃ」、実物大で再現　乗車は不可	https://www.itmedia.co.jp/news/articles/2107/31/news021.html	itmedia	2021-07-31 00:10:00
IT	ITmedia 総合記事一覧	[ITmedia News] 藍井エイルの曲に音質を合わせたイヤフォン、ソニーが発売　27万5000円から	https://www.itmedia.co.jp/news/articles/2107/31/news022.html	itmedia	2021-07-31 00:01:00
AWS	AWS Architecture Blog	Benefits of Modernizing On-premise Analytics with an AWS Lake House	https://aws.amazon.com/blogs/architecture/benefits-of-modernizing-on-premise-analytics-with-an-aws-lake-house/	Benefits of Modernizing On premise Analytics with an AWS Lake HouseOrganizational analytics systems have shifted from running in the background of IT systems to being critical to an organization s health Analytics systems help businesses make better decisions but they tend to be complex and are often not agile enough to scale quickly To help with this customers upgrade their traditional on premises online analytic processing OLAP …	2021-07-30 15:28:11
AWS	AWS Developer Blog	Announcing the end of support for Node.js 10.x in the AWS SDK for JavaScript (v3)	https://aws.amazon.com/blogs/developer/announcing-the-end-of-support-for-node-js-10-x-in-the-aws-sdk-for-javascript-v3/	Announcing the end of support for Node js x in the AWS SDK for JavaScript v Starting January AWS SDK For JavaScript v will no longer support Node js x which was EOL on April We encourage you to upgrade to Node js x or later We recommend nbsp Node js x which was released on April and became active LTS on October Motivation As Node js x version …	2021-07-30 15:27:37
python	Pythonタグが付けられた新着投稿 - Qiita	Pandas DataFrameをリストに入れて都合よく使っちゃおう	https://qiita.com/dechio/items/5adbbc3c06530f320aad	PandasDataFrameをリストに入れて都合よく使っちゃおう本日、私的には大変ありがたい学びがあったのでここに記すことにしました。	2021-07-31 00:20:47
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Raspberry Pi のGPIOと3V3のGNDの違いについて	https://teratail.com/questions/352058?rss=all	RaspberryPiのGPIOとVのGNDの違いについてお世話になります。	2021-07-31 00:31:34
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Goで構造体をセッションに保存したい	https://teratail.com/questions/352057?rss=all	Goで構造体をセッションに保存したい構造体をセッションに保存したいのですが、検索しても方法がわかりません。	2021-07-31 00:28:10
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	スクレイピングで取得した複数のURLをリストに入れるには	https://teratail.com/questions/352056?rss=all		2021-07-31 00:27:21
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	文章が書かれている行数だけを調べるコマンドが知りたい	https://teratail.com/questions/352055?rss=all	文章が書かれている行数だけを調べるコマンドが知りたいテキストファイルに書かれている文章だけの行数を調べるコマンドが知りたいです。	2021-07-31 00:15:47
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	【wordpress】投稿から一定時間はパスワード保護を無効にし、1時間後にパスワードを設定したい	https://teratail.com/questions/352054?rss=all	記事を公開した際に、公開後時間はパスワードを無効にし、時間後からパスワードをかけて閲覧を制限しています。	2021-07-31 00:13:41
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	linux ３つの引数の間にカンマを入れて実行できるコードにしたい	https://teratail.com/questions/352053?rss=all	linuxつの引数の間にカンマを入れて実行できるコードにしたいLinuxで下記のコードを作成しました。	2021-07-31 00:05:52
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	apacheのリダイレクト設定について	https://teratail.com/questions/352052?rss=all	概要Lightsailでサーバーを台作成し、そこにつのwordpressをインストールし、apacheのVirtualHostで以下つのドメイン設定をしました。	2021-07-31 00:02:22
Docker	dockerタグが付けられた新着投稿 - Qiita	vscodeでdockerに接続してxdebugでphpデバッグ	https://qiita.com/kumanobori/items/eafb063bb8a68a9095a0	vscodeでコンテナに接続してのデバッグなので、clienthostはです。	2021-07-31 00:13:22
Git	Gitタグが付けられた新着投稿 - Qiita	githubでissueのテンプレートを作成する方法	https://qiita.com/syo19961113/items/6a3f215cf6f07641c2d7	次にPreviewandeditをクリッククリックするとカスタムテンプレートを作成する画面が表示されます。	2021-07-31 00:38:46
海外TECH	Ars Technica	This 900-person delta cluster in Mass. has CDC freaked out—74% are vaccinated	https://arstechnica.com/?p=1784187	infections	2021-07-30 15:44:42
海外TECH	DEV Community	Introducing the social image generator	https://dev.to/siddharthshyniben/introducing-the-social-image-generator-bbp	Introducing the social image generatorCreating social images are a pain I barely add any just look through my posts and you ll know But now you can easily generate social sharing images using my generator It s not a generator yet more like a HTML generator where you screenshot the page Wanna know how it looks Check the social image of this post up there It supports tags text images captions and more to come soon	2021-07-30 15:42:49
海外TECH	DEV Community	The Engineering Executive Operating System — Part 2	https://dev.to/linearb/the-engineering-executive-operating-system-part-2-2heg	The Engineering Executive Operating System ーPart The Engineering Executive Operating System ーPart Today on the Dev Interrupted we premiere the second and final episode in our two part series with Tech Executive Consultant and author Aviv Ben Yosef If you haven t listened to the first episode we highly recommend checking it out Aviv is an expert at onboarding new employees particularly those joining leadership positions In episode we discuss how leadership can provide a workplace culture where employees are encouraged to speak up and question leadership decisions as well as how to create high impact R amp D organizations Get a sample chapter of Aviv s book here Listen to the full episode Part Highlights Include Each member of a team becoming a force multiplier“Chutzpah driven development How to have candid discussions between leadership and employeesProviding a culture where employees can tell leadership they are wrongCreating high impact R amp D organizations and teams Join the Dev Interrupted ServerWith over members the Dev Interrupted Discord Community is the best place for Engineering Leaders to engage in daily conversation No sales people allowed Join the community gt gt Originally published at	2021-07-30 15:39:56
海外TECH	DEV Community	Unboxing a Database-How Databases Work Internally	https://dev.to/gbengelebs/unboxing-a-database-how-databases-work-internally-155h	Unboxing a Database How Databases Work InternallyCover Photo by Javier Miranda on UnsplashDatabases are one of those abstract mysterious things that just work when you run an insert statement where s the data stored How is it stored Why are queries so fast What s underneath the black box of a database Sometimes it all just feels like magic It s am in Lagos and I can t sleep I pick up my phone and head to Google to help me demystify this black box The next words you read are my attempt to unbox a database My focus on this article will be on SQL databases but I believe the underlying concepts can be passed to other types of databases Before we go on let us define some terms DatabaseA database is a set of physical files data on a hard disk stored and accessed electronically from a computer system Usually created by the CREATE DATABASE statement Database management systemA database management system is software that handles the storage retrieval and updating of data in a computer system Popular database management systems Database engineA database engine is the underlying software component that a database management system uses to create read update and delete data from a database What is the difference between a database management system and a database engine The database management system is the software with its functions that allow us to connect to a database engine The database engines are the internal tools that allow or facilitate a certain number of operations on the tables and their data How does a database management system store data Most database management systems store data in files MySQL for example stores data in files in a specific directory that has the system variable datadir Opening a MySQL console and running the following command will tell you exactly where the folder is located mysql gt SHOW VARIABLES LIKE datadir Variable name Value datadir var lib mysql row in set sec This stack overflow answer explains it really well As you can see from the above command my datadir was located in var lib mysql The location of the datadir may vary in different systems The directory contains folders and some configuration files Each folder represents a MySQL database and contains files with data for that specific database below is a screenshot of the datadir directory in my system a data dir folder in a systemEach folder in the directory represents a MySQL database Each database folder contains files that represent the tables in that database There are two files for each table one with a frm extension and the other with a idb extension See the screenshot below Files in a database folderThe frm table file stores the table s format Details MySQL frm File FormatThe ibd file stores the table s data Details InnoDB File Per Table TablespacesWhen we insert a record into a table we are actually inserting into a datafile A page representing the rows of the table is created in that datafile By default all datafiles have a page size of KB you can reduce or increase the page size depending on the database engine you are using As more and more records are inserted into the table datafile several data pages are created How Pages Relate to Table RowsThe maximum row length is slightly less than half a database page For example the maximum row length is slightly less than KB for the default KB InnoDB page size For KB pages the maximum row length is slightly less than KB If a row does not exceed the maximum row length all of its data is stored locally within the page If a row exceeds the maximum row length the database engine stores a byte pointer to the next page locally in the row and stores the remaining rows externally in overflow pages These two articles do a wonderful job of describing how data pages look in sql server how sql server stores data in data pages parthow sql server stores data in data pages partLet us assume we have a table tblEmployees and we insert a single record into it INSERT INTO tblEmployees VALUES Abhishek This is a sample data page of that insertion into the datafile It is divided into main sections Section Page HeaderPage Headerm type indicates that it is a data page m nextpage This is the link to the memory location of the next data page that will be created in this case we have a single data page so it is m Prevpage This is the link to the memory location of the previous data page Since we have a single data page the value is Section Actual DataThe actual data that we insert into our table is stored in this section If you remember we inserted record with an employee named Abhishek That record will be saved here in this section as shown below Actual DataRecord Type PRIMARY RECORD which means it s our actual data Memory Dump This points to the Actual data s location in memory Section Offset TableOffset Table This section of the data file tells you where the record Abhishek is saved exactly in memory Offset TableIf you see the row offset it s pointing to the actual data s location These diagrams show how rows are stored in a datafile How does indexing work A database index is a data structure that improves the speed of data retrieval operations on a database table Indexing is the way to get an unordered table into an order that will maximize the query efficiency A Clustered Index is a special type of index that reorders the way records in the table are physically stored on the disk So how does it work In reality the database table does not reorder itself every time the query conditions change to optimize the query performance what happens is that when you create an index you cause the database to create a data structure which in most cases is likely to be a B Tree The main advantage of this data structure is that it is sortable and this makes our search more efficient A B Tree is a type of dictionary no more and no less If you think about a linguistic dictionary it s ordered by words and associated with each word is a definition You look up a word and get a definition An Indexed DictionarySo the context of a map data structure is that you have keys words and you want to map this to values definitions B trees have an advantage for certain types of queries For example you can do range queries say if you want to find all entries where the key is between two values e g all words in the dictionary starting with q B trees are page structured meaning they can be implemented on top of fixed size disk pages which minimizes the number of disk accesses needed to perform a query ExampleLet us assume we have a table called Employee Detail We can create a clustered index with the following command on the Emp Iid column Create Clustered Index My ClusteredIndex on Employee Detail Emp Iid Now let s insert some recordsHead over to this site and insert records from to simulating how records will be inserted in a database You will see how the tree automatically adjusts as records are being inserted Another thing to note the data value locations never change but the pointers to those values are the ones that are constantly shifting The B Tree will be formed like this The center point of the records which in our case is will be the head node All the Ids that are lower than will be moved to the left and the Ids greater than to the right as shown in this diagram BTree VisualizedThe left side value of each node is always less than the node itself and the right side value is always greater than the node The last set of values are called leaf nodes and they contain the actual data value while the intermediate rows hold pointers to the actual data value location Think of it like a dictionary that contains a name tag All the words with c are labeled under the c tag words higher than c are shifted to the right and words lower than c to the left The tag c does not contain the value but a pointer to the actual words From the earlier explanation on how SQL stores data in data pages we can infer that the leaf nodes represent data pages containing the table rows If we want to get the employees where Emp Iid is select from employee Detail where Emp Iid In a normal case the system will perform comparisons the first for the second for and the third for and in the fourth comparison it will find the desired result Using an index the system only does a single comparison because is the head node of the B Tree and it knows that is greater than so the record will be on the right Once it checks the next key It will find a pointer to the data value which is the value that is being requested From this example we can say that by using an index we can increase the speed of data retrieval Components of a Database EngineComponents of a database engineAll SQL database engines have a compiler to translate the SQL statement into byte code and a virtual machine to evaluate the byte code The RDBMS processes the SQL statement by Parsing Validates the statement by checking the SQL statement against the system s catalog and seeing if these databases tables and columns that the user wants exist and if the user has privileges to execute the SQL query Under the parsing stage there is a syntax check semantic check and shared pool check Syntax checkA statement that breaks a rule for well formed SQL syntax fails the check For example the following statement fails because the keyword FROM is misspelled as FORM SQL gt SELECT FORM employees SELECT FORM employees ERROR at line ORA FROM keyword not found where expected Semantic CheckThe semantics of a statement is its meaning A semantic check determines whether a statement is meaningful for example whether the objects and columns in the statement exist SQL gt SELECT FROM nonexistent table SELECT FROM nonexistent table ERROR at line ORA table or view does not exist Shared Pool CheckDuring the parse the database performs a shared pool check to determine whether it can skip resource intensive steps of statement processing To this end the database uses a hashing algorithm to generate a hash value for every SQL statement Compiling Binding Generates a query plan for the statement which is the binary representation of the steps required to carry out the statement In almost all SQL engines it will be byte code What has now been compiled is a command line shell ーa program that reads SQL statements and now sends them to the database server for optimization and execution Optimizing Optimizes the query plan and chooses the best algorithms such as for searching and sorting This feature is called the Query Optimizer The Query Optimizer devises several possible ways to execute the query i e several possible execution plans An execution plan is in essence a set of physical operations an index seek a nested loop join and so on to be performed Once this is done we now have a prepared SQL statement ExampleThis example shows the execution plan of a SELECT statement when AUTOTRACE is enabled The statement selects the last name job title and department name for all employees whose last names begin with the letter A SELECT e last name j job title d department name FROM hr employees e hr departments d hr jobs jWHERE e department id d department idAND e job id j job idAND e last name LIKE A Execution Plan Plan hash value Id Operation Name Rows Bytes Cost CPU Time SELECT STATEMENT HASH JOIN HASH JOIN TABLE ACCESS BY INDEX ROWID EMPLOYEES INDEX RANGE SCAN EMP NAME IX TABLE ACCESS FULL JOBS TABLE ACCESS FULL DEPARTMENTS Predicate Information identified by operation id access E DEPARTMENT ID D DEPARTMENT ID access E JOB ID J JOB ID access E LAST NAME LIKE A filter E LAST NAME LIKE A Executing The RDBMS executes the SQL statement by running the query plan For an in depth view check out this tutorial SummaryThis article has covered a lot of ground but by now you should have an understanding or at least an appreciation of the components and processes that form the databases we use every day Thank you for reading Follow me here and across my social media for more content like this Linkedin Twitter REFERENCES AND MORE How a sql database engine works by Andres reyes How a sql database engine works by Dennis Pham The sql server query optimizer by Benjamin Nevarez An in depth look at Database Indexing by Kousik Nath Database btree indexing in sqlite by Dhanushka Madushan Inside the storage engine by Paul Randal B tree and how it is used in practice answered by Pseudonym Index in sql by Pankaj Kumar Choudhary How sql server stores data in data pages part by Abhishek Yadav How sql server stores data in data pages part by Abhishek Yadav SQL Processing by Oracle How does a sql query work by How sql database engine works by Vijay Singh Khatri	2021-07-30 15:23:53
海外TECH	DEV Community	Fun with Compose: Bad UI in a Great Framework	https://dev.to/touchlab/fun-with-compose-bad-ui-in-a-great-framework-1b43	Fun with Compose Bad UI in a Great Framework IntroTo celebrate Jetpack Compose finally hitting I wanted to take a bit of a deep dive to see what the framework has to offer Instead of more of the same code labs with useful UI I decided to bring back an old reddit trend of creating the absolute worst volume control UI possible highlights here You can take a look at the code on my Github mrf volume gore The ResultsMicrotransactionsRadio ButtonsCatapult WIP Digits Of PISeven Segment TakeawaysAs someone who s never really been a fan of UI work building UI in Compose has been extremely pleasant and straightforward Things like custom animations that I haven t done in the View system were surprisingly simple and concise With Compose I no longer need to context switch between writing Kotlin code and XML layouts the flow between writing backend code and UI code is much more seamless The best part was the often lauded LazyColumn in compose that turns files worth of boilerplate RecyclerView code into a couple lines While it took some effort to change my approach for the Compose mental model this is a huge leap in the right direction towards making UI work quicker for experienced devs and easier for new devs to learn Lessons LearnedA vital concept when learning Compose is how the runtime manages state and recomposition via Mutable State objects Most of the magic of recomposition relies on the getValue and setValue methods of these classes and if you mistakenly go around these methods to read and update your apps state you can actually prevent the UI from updating as you intended I learned this the hard way while implementing the editable seven segment display by using a MutableState lt MutableList gt and updating the underlying MutableList values on user interaction i e state value index newValue Desugaring that statement to state getValue index newValue we see that we re never calling MutableState setValue so the Compose runtime has no indication of the underlying value change never triggering a recomposition On top of that even if something else triggered a recomposition the UI wouldn t be updated since we mutated the list without changing the reference so the underlying equality check used to determine if our composable should run again never detects a change Luckily Compose gives us a mutableStateListOf and List toMutableStateList that return a SnapshotStateList which is a subclass of MutableList and equivalents for Maps That means we can just treat it as a MutableList and the state updates will be handled for us when we do things like snapshotStateList index newValue The main rule of thumb to learn from this is that in Compose you should avoid mutating objects you intend to use as a state and instead emit a brand new value to your LiveData Flow State using the copy method on data classes You can force this practice on yourself by avoiding vars entirely in classes used for UI state For a demonstration of this issue here s a snippet showing my initial MutableList approach a functional workaround I made using a list of mutable states and the proper solution using mutableStateListOf ConclusionNow that Compose is officially at you should give it a shot ASAP Wherever you update the state of your UI keep an eye out for spots that mutate the value in the State instead of the State itself Above all don t be afraid to get creative and have fun when playing with compose you might be surprised by the things you re able to make easily compared to the old View system	2021-07-30 15:03:14
Apple	AppleInsider - Frontpage News	Best deals for July 30 - Back to School Brydge sale, MagSafe iPhone Charger, and more!	https://appleinsider.com/articles/21/07/30/best-deals-for-july-30---back-to-school-brydge-sale-magsafe-iphone-charger-and-more?utm_medium=rss	Best deals for July Back to School Brydge sale MagSafe iPhone Charger and more Friday s best deals include off an ASUS Gaming Laptop off a Roborock S Robotic Vacuum Cleaner additional iTunes movie sales and more Deals Friday July Shopping online for the best discounts and deals can be a difficult and annoying task Rather than sifting through miles of advertisements check out this list of sales we ve hand picked just for the AppleInsider audience Read more	2021-07-30 15:54:22
Apple	AppleInsider - Frontpage News	Siri accused of anti-China bias after inaccurate Olympic medal tally	https://appleinsider.com/articles/21/07/30/siri-accused-of-anti-china-bias-after-inaccurate-olympic-medal-tally?utm_medium=rss	Siri accused of anti China bias after inaccurate Olympic medal tallyTo the vocal annoyance of iPhone users in China Siri was reportedly unable to read aloud the number of gold medals won by the country Siri at the OlympicsSports fans actually watching the Olympics could see this week when China won its th gold medal ButiPhone users asking Siri what the results were reportedly could not find out Read more	2021-07-30 15:26:52
海外TECH	Engadget	Samsung's 'history of electronics' animated videos seem like great sleep aids	https://www.engadget.com/samsung-history-of-electronics-animated-videos-morse-code-153948449.html?src=rss	Samsung x s x history of electronics x animated videos seem like great sleep aidsSamsung wants to teach you about the history of electronics as long as you can stay awake long enough to sit through the dull lessons Through its Innovation Museum the company is releasing five animated videos about inventions that shaped society If the first episode is anything to go by they might as well be classified as sleep aids The series premiere delves into the history of telecommunications starting with Morse code and how it paved the way for more recent innovations such as smartphones G G and would you believe it G The tone and narration is Atacama Desert dry though Even the name of the series is melatonin inducing quot The History of the Electronics Industry That Changed the World quot There s no denying the importance of Morse code including how it s helped save the lives of many who were able to send an SOS message when they were in peril But Samsung could have presented the story in a much more interesting way For what it s worth the episode is educational But if you re going to create a video in which quot some aspects have been fictionalized quot at least make it fun nbsp Upcoming installments will cover John Logie Baird s TV telephone inventor Alexander Graham Bell James Harrison s refrigerator and William Shockley and the semiconductor Perhaps those will be more compelling but it s hard to imagine anyone excitedly dashing off a telegram to a friend about it	2021-07-30 15:39:48
海外TECH	Engadget	This week's best deals: $150 off Apple's MacBook Air M1 and more	https://www.engadget.com/weekly-tech-deals-apple-macbook-air-m1-ipad-air-nintendo-switch-mario-kart-live-home-circuit-153058942.html?src=rss	This week x s best deals off Apple x s MacBook Air M and moreAs July comes to a close a number of laptops earbuds games and more have gone on sale across the web Students planning their back to school shopping list have a few ways to save on Apple products ーthe latest MacBook Air M is off at Amazon that s better than Apple s own education discount and the iPad Air remains off as well All capacities of Samsung s T portable SSD have been discounted so you can grab one for as low as while Microsoft s Xbox Ultimate Game Sale knocks up to percent off console and PC titles Here are the best tech deals from this week that you can still get today MacBook Air MThe latest MacBook Air M is down to at Amazon or off its regular price The GB model has the same discount so you can grab it for It s one of the best laptops for most people and it s a great option for students going back to school The Air M earned a score of from us for its incredibly fast performance excellent keyboard and trackpad good battery life and lack of fan noise Buy MacBook Air M GB at Amazon Buy MacBook Air M GB at Amazon iPad AirThe latest iPad Air is down to the best price we ve seen it just for the base model That s off its normal price and a great deal on what we think is the best iPad for most people We gave the slab a score of for its fast performance speedy WiFi healthy battery life and support for the second generation Apple Pencil Buy iPad Air GB at Amazon Buy iPad Air GB at Amazon Buy iPad Air GB cellular at Amazon Buy iPad Air GB cellular at Amazon AirPods ProThe AirPods Pro are back on sale for or off their normal price While not a record low it s still one of the best prices we ve seen all year The AirPods Pro earned a score of for their improved audio quality comfortable fit solid ANC and IPX water resistance Buy AirPods Pro at Amazon inch iPadApple s inch iPad is still on sale for or off its normal price It s arguably the best iPad for new tablet owners and we liked its improved performance familiar design and support for the first generation Apple Pencil Buy inch iPad at Amazon Mario Kart Live Home CircuitNintendoNintendo s Mario Kart Live Home Circuit game for the Switch is down to or off its normal price This add on set lets you bring the action of Mario Kart into your real life living room creating your own racetracks and zooming around them using a tiny kart driven by either Mario or Luigi Buy Mario Kart Live Home Circuit at Amazon Samsung T SSD GB SamsungSamsung s T portable SSD in GB is down to a record low of or off its normal price Other capacities are on sale too ーyou can get a TB model for and a TB model will set you back We like these drives for their portability durable design and speedy performance Buy Samsung T GB at Amazon Buy Samsung T TB at Amazon Buy Samsung T TB at Amazon Echo Buds nd gen Billy Steele EngadgetAmazon s latest Echo Buds are on sale for which is a discount we saw last during Prime Day You can also get the buds with their wireless charging case for only We gave these a score of for their improved sound quality good ANC and smaller comfortable design Buy Echo Buds at Best Buy Buy Echo Buds wireless charging case at Best Buy Echo Show st gen Nicole Lee EngadgetAmazon s first generation Echo Show returned to its all time low price of at Best Buy If you re looking for a smart alarm clock of sorts this is the best option if you already use Alexa as your primary voice assistant The second generation Echo Show which came out recently has a few minor differences but we think the first generation remains a solid buy ーespecially at half off its original price Buy Echo Show st gen at Best Buy Xbox Ultimate Game SaleXboxMicrosoft s Xbox Ultimate Game Sale is still ongoing knocking up to percent off console and PC titles On the console side you can get FIFA Ultimate Edition for NBA K for Battlefield Revolution for and more And for PC gamers you can get Gears for Yakuza Like a Dragon for Control for and more Shop Ultimate Game Sale at MicrosoftRoku saleA bunch of Roku devices are on sale at Amazon including the Roku Streambar which is down to a record low of This compact soundbar is a convenient gadget to get if you want to upgrade your home theater system without spending a ton of money We gave it a score of for its space saving design Dolby Audio support and built in K streaming technology If you want to spend even less a handful of Roku streamers have been discounted including the Express and the Streaming Stick Buy Roku Streambar at Amazon Buy Roku Express at Amazon Buy Roku Express K at Amazon Buy Roku Streaming Stick at Amazon ThermoWorks Thermapen MkThe Thermapen Mk has been discounts to as ThermoWorks makes room for the new Thermapen One thermometer The Mk is the best instant read thermometer we ve used so far ーthe backlit display makes it easy to read in almost any situation and the display rotates depending on how you re holding the pen Plus you never have to remember to turn it off because the pen automatically turns on when you pick it up and will shut off after some time of no use Buy Thermapen Mk at ThermoWorks Comic Con sweepstakesThrough December you can enter to win four day passes to San Diego Comic Con Along with the passes you ll get access to a special preview night reserved seating in Hall H a personal concierge a private tour of the Comic Con Museum dinner in Balboa Park and tickets to the quot Night at the Comic Con Museum quot event It s free to enter but funds from this sweepstakes will go to the San Diego Comic Convention Enter to win at OmazeVirgin Galactic sweepstakesIn this Omaze giveaway you can win two seats on one of the first Virgin Galactic flights to space In addition you ll go on a tour of Spaceport America in New Mexico with Richard Branson You don t have to pay to enter but funds from all paid entries will support Space for Humanity an organization that hopes to make space more accessible for all Enter to win at OmazeGaming PC sweepstakesOmaze is giving away another to build your ultimate gaming PC This sweepstakes is free to enter but funds donated with purchased entries will benefit Schools on Wheels an organization that provides free tutoring and mentoring services to children experiencing homelessness across Southern California Enter to win at OmazePricing and availability is subject to change No donation or payment necessary to enter or win this sweepstakes See official rules on Omaze New tech dealsDJI OMDJI s OM smartphone gimbal is off right now bringing it down to It uses axis stabilization to let you shoot smooth video with your smartphone and it s new magnetic quick release makes it easy to snap your phone in and out of it It also supports gesture control and Active Track which lets you lock on to the subject you re filming with better accuracy Buy DJI OM at Amazon MirrorMirror s summer sale knocks off its high tech fitness system when using the code JULY at checkout The discount breaks down to off the mirror device itself plus free delivery and installation Just know that the sale is only on the product itself not on the subscription needed to take the Mirror s fitness classes Buy Mirror Arturia Destination Sound saleArturia has knocks percent off all of its individual software titles through August That means you can get some of our favorite music software including Pigments and Analog Labs for each This is a good opportunity to add new synths and other software instruments to your collection for less Shop Arturia saleNordVPNOne of our recommended VPNs is running a good sale on a two year subscription You can sign up for NordVPN for only for the first two years which comes out to per year ーand an additional summer promotion adds three free months on top of that We like NordVPN for its speed its no logs policy the thousands of servers it has to choose from and that one account supports up to six connected devices Sign up for NordVPN two years Follow EngadgetDeals on Twitter for the latest tech deals and buying advice	2021-07-30 15:30:58
海外TECH	Engadget	Apple TV+’s 'Watch the Sound' is an invitation to start making music	https://www.engadget.com/apple-tv-watch-that-sound-with-mark-ronson-151607013.html?src=rss	Apple TV s x Watch the Sound x is an invitation to start making musicIf Gary Numan had heard a different sound the first time he encountered a synthesizer we might not have had “Cars “Are Friends Electric or even Gary Numan he was born Gary Webb before adopting his stage name The New Wave movement might have been little more than a ripple Synth Pop may have never happened and in a roundabout way Calvin Harris might never have known what we came for But Numan did hear that all important sound the one that lit up his brain and switched him on to technology as a music making tool paving the way for electronic music to go mainstream That s just one of many accidentally influential moments to be found in Watch the Sound with Mark Ronson ーa documentary jaunt through the cornerstones of music technology that s streaming now on Apple TV Ronson is perhaps best known for his work with Amy Winehouse ーa decidedly analog brassy affair But his love of technology is abundantly clear as Watch the Sound serves up easily digestible bites of musical history around key technological themes Sampling drum machines synths and beyond Along the way Ronson casually drops in on such luminaries as Paul McCartney Quest Love and the aforementioned Numan along with contemporary artists such as Charlie XCX and King Princess If the series doesn t inspire you to google around for a MIDI controller by the end of it then nothing ever will Apple TV Unlike Netflix s fast paced This is Pop Watch the Sound leans more histrionic Each episode starts with Ronson recounting his own first experience with whatever this episode is about a sampler distorted guitars and so on He then spends time with artists that popularized that sound asking pensive questions and generally nerding out about music as only someone with Ronson s wide palette of influences really can This sense of a journey through Ronson s musical interests gives Watch the Sound a more intimate feel than This is Pop s more talking heads approach “I think what s important is that there is a familiarity between the episodes there is a kind of a guiding force And that was always going to be Mark s personal experience executive producer Mark Monroe told Engadget This sense of “experience is perhaps no more apparent when Ronson spends time with Sean Ono Lennon Lennon talks candidly about his father s own struggle with the sound of his voice He then adroitly reinvents a recording of Lennon senior with Harmony Engine that Ronson describes as “autotune on steroids in what turns out to be a surprisingly tender moment Lennon junior is visibly moved by this brief yet intimate musical encounter Of course the show is about the machines as much as the people that made them important Watching DJ Premier s absolute mastery of the MPC for example is as impressive as it is frustrating at least to anyone else who s had a go on one and could barely peck out a beat Later on watching Ronson take a box cutter to a speaker cone with David Grohl feels like it should have been an outtake until goddammit why is he somehow good at everything You ll have to watch it to find out why they did this Other humorous moments are perhaps less intentional Ronson at one point finds himself in a full miner s jumpsuit and he s never looked so uncomfortable In episode one we enjoy a rare albeit slight crack in his golden touch as he struggles to make anything remotely musical with autotune he rectifies that later naturally If there were an enduring message in Watch the Sound and many other series of its ilk it s that perfection and talent are rarely what creates something magical Most of the technology featured was either misused misunderstood or reappropriated through necessity Legends were born thereof and this is just how we do things now It s refreshing if not invigorating to know that you don t have to aspire to perfect pitch or even really have any formal musical training to be a pioneer In fact it s easy to convince yourself that knowing your scales might even hold you back sometimes if you find yourself trying to only play by the rules This sentiment is solidified in the episode about synthesizers Here the cast of heroes is more at home with an oscilloscope than with an oboe The band of misfits and let history show many many more women than are ever given credit effectively reinvented what music could be from the ground up Apple TV Monroe said that was something that became apparent during filming too “Digging into synthesizer and really kind of understanding what a disruptor it was …what an opportunity for the people on the outside of the music business …and not just to gain a foothold but to become you know legendary Even if you don t have an interest in how music is made the show will have you jotting down the names of bands and songs you want to explore further and delight you with a sense of possibility Or in my case vindication The episode on sampling recounts the abhorrent push back that this new technology received “That s not real music someone remembers being told If like me you grew up listening to Fear of a Black Planet and the countless artists it inspired it s hard not to do a mental fist pump to yourself for not being one of those jerks By the end of the show you might find yourself motivated to dig out that guitar from the loft or fire up your laptop Apple it seems knew this might be the case To coincide with the show s launch the company has created a “companion experience for GarageBand via an exclusive Producer Pack That said once you discover how the Beastie Boys achieved their iconic vocal sound on quot So What Cha Want quot or how Sonic Youth creatively used drumsticks on their guitars you might realize you don t even need any fancy software to do something different Watch the Sound with Mark Ronson premieres on Apple TV today	2021-07-30 15:16:07
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