投稿時間:2022-02-20 20:15:29 RSSフィード2022-02-20 20:00 分まとめ(18件)

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IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] 2万円で使える「移動会議室」、日産が実験　ハイヤーの車内でWeb会議	https://www.itmedia.co.jp/business/articles/2202/20/news053.html	itmedia	2022-02-20 19:44:00
python	Pythonタグが付けられた新着投稿 - Qiita	Python リスト内包表記	https://qiita.com/Masaru_free/items/ce464d166be531d5a9cd	Pythonリスト内包表記今年の目標でPythonを学び、案件獲得を挙げているので、そのための学習をおこなっているので、コードベースになるが経過を残していこうと思う。	2022-02-20 19:15:53
js	JavaScriptタグが付けられた新着投稿 - Qiita	Node.jsのworker_threadsモジュール（スレッドプール）	https://qiita.com/syamobariyuta/items/17537f3be70626111e34	ここのmessageイベントリスナーはonceで登録されているので、この時点で消えるthreadpooljsprocessworkerresolveargworkeroncemessageresultgtリクエスト元に結果を返すresolveresultキューに積まれたリクエストがあれば処理し、なければ空きスレッドに戻すconstrequestthisqueueshiftrequestthisprocessworkerrequestthisavailableWorkerspushworkerPromiseがresolveされたことにより、await処理が完了し、WebサーバーはresendresulttoStringで計算結果を返すwebappjsconstresultawaitthreadPoolexecuteInThreadnresendresulttoString終わりハンズオンNodejsを読んでいて、スレッドプールの部分が少々分かりづらかったので、忘備録も兼ねてまとめてみました。	2022-02-20 19:18:58
js	JavaScriptタグが付けられた新着投稿 - Qiita	骨までしゃぶりつくす「ぷよぷよプログラミング」(4/4）	https://qiita.com/KennyKTA/items/cab4905a01bd1ff4b626	骨までしゃぶりつくす「ぷよぷよプログラミング」この記事の目的この記事ではソースコードを読んで冗長そうであったり、間違いがあるのではないか、と感じた点を記述していきます。	2022-02-20 19:03:28
js	JavaScriptタグが付けられた新着投稿 - Qiita	骨までしゃぶりつくす「ぷよぷよプログラミング」(3/4)	https://qiita.com/KennyKTA/items/d9383cacb180096261ef	「ThereturnStatement」あたりを読むといいのだと推測しているのですが、記号の意味がわからず解読できていません…定義されていない配列要素へのアクセス突然ですが下記のarrayaccesspyはどのように動作するでしょうか行目が特に気持ち悪いですね。	2022-02-20 19:00:59
Docker	dockerタグが付けられた新着投稿 - Qiita	Laravel9 に Voyager をインストール	https://qiita.com/sin164/items/a600f5c563fa8af990b5	withdummy付きでインストールしたので、いくつかダミーデータが入っていました。	2022-02-20 19:49:53
Git	Gitタグが付けられた新着投稿 - Qiita	ブランチ、ファイルの最新のコミットのSHA-1を取得する	https://qiita.com/Teach/items/d84cb12f60be322c1086	ブランチ、ファイルの最新のコミットのSHAを取得する本記事について差分ビルド、コンパイルするときに、ブランチの最新のハッシュはビルドバージョンとして、ファイルの最新のハッシュは更新されたかどうかの判別のために利用することができる。	2022-02-20 19:07:01
海外TECH	DEV Community	What about color should you know as a web developer	https://dev.to/mwendwabundi/what-about-color-should-you-know-as-a-web-developer-57pm	What about color should you know as a web developerAs a web developer you sure do know that color plays such a huge role in how users perceive the website how compelling it gets and the persuasion effect they get I know you have probably interacted with so much of the color wheels and the numerous guides in picking the perfect color combo for different websites In this article I let you into the research and findings that have over the years shown just how important color is The famous theory of color by Isaac Newton in the s lay ground for numerous discoveries on color and its effects Isaac Newton came up with the famous color wheel which displayed the primary colors secondary colors and tertiary colors Color knowledge has been and still is instrumental in picking the right hues and displaying applied visual design This also means that you do not settle randomly on a color the color itself must mean something According to a research done by Institute for Color findings did show that of the total respondents ascertain that color accounts for more than half of the factors important for making a decision Another research by the same institute showed that people make a subconscious judgment within seconds of initial viewing and that between and of that assessment is based on color alone This could be in a product an environment or even a person Such mind blowing findings reveal that we as web developers cannot afford to fumble on the role of color in our work Jan V White a graphic designer played a huge role in writing and documenting on color designs typography and so much more in his career that spanned four decades In his book famous book Color for Impact Jan V White wrote about the ten commandments on using color He goes ahead to display the functional use of color by how he displays the said commandments in his book Take a look at the commandments as put by him below Thou shall combine visual appeal with meaning Color is appealing In our information overloaded society the more appealing the message the more likely is it to capture the attention of its audience But prettiness is not enough Color must also mean something Thou shah assign color deliberately to fulfill specific functions Color is not exciting by itselfーit is everywhere Only when it is coupled with intellectual meaning can it achieve valued significance Thou shah use color to guide viewers to fast comprehension Color is different from black that is what makes it special in print Use it sparingly with discrimination Thou shah avoid weakening color s power by overuseColor is noticed only if it is bright enough large enough conspicuous enough rare enough Thou shah not use color just because it is available Never use color just to dress up the publication Use it only if the message is the better for it it must be more than embellishment Thou shah use color to explain not to decorate Don t be content with making the publication pleasing to the eye Use color to lead the eye to worthy material Thou shah use color to sharpen the delivery of your message Decide where the greatest value for the reader lies then use color to make it stand out Color must work for its living it must add value Thou shah establish character by consistent color use Predictability creates comfort recognition personality Build identity with disciplined color type spacing and page architecture Thou shah use color to provide continuity Most publications are part of a series Belonging is advantageous both to the item and its publisher Each issue is your representative Thou shah plan for color use from the start of the project Colorizing by retrofitting cannot do justice to color s capacity as a functional rational intellectual material Plan for its purposeful utilization You can access more from the Color for impact book by Jan V White using the link here When I first read this book and more specifically the ten commandments I knew I had to start doing better and avoid the complacency of picking a color just because I love it or its appealing to my eye It is not about m as web developer but its about the users This also means you have to advice your clients accordingly There is also the need for applied visual design as used in web development which implies the use of color typography animations and page layout to deliver an unique message This means that as much as color plays a huge role in design it cannot be used in isolation different facets play different roles No need to say that the users of your website will first get a color stimulation before they read the compelling message or interact any further with the animations or any other effect Pay better attention to how you choose and display the colors in your website Let Jan V White ten commandments guide you if need be In all things remember the words of the famous Russian painter Wassily Wassilyevich Kandinsky “Color is a power which directly influences the soul Thank you for reading Let me know what you think in the comment section and I will see you in the next article Bye	2022-02-20 10:42:50
海外TECH	DEV Community	A Complete, Interactive Guide to CSS Flex Box	https://dev.to/smpnjn/a-complete-interactive-guide-to-css-flex-box-4ihj	A Complete Interactive Guide to CSS Flex BoxIn the past making HTML elements appear next to each other was a tricky proposition It usually relied on floats often resulting in some strange behaviours Today we have flex box which is widely accepted as the standard way to do this Flex box lets us align content in columns or rows while automatically adjusting its size based on how we set it up Below you can view the complete guide to CSS flex box along with a generator to let you generate the layout style you want for your container elements CSS Flex Box Generator Properties for ContainersFor your reference here are the individual properties and the effects they have on a flex box configuration For all of these examples except flex wrap itself we use flex wrap wrap justify contentThis justifies content along the flex direction axis align itemsThis aligns the content along the axis perpendicular to the flex direction axis for a single row of items flex directionThis sets then main axis of the flex whether that is vertical column or horizontal row align contentThis sets the position for all rows in a much larger box flex wrapThis sets the position for all rows in a much larger box Properties for ItemsAlthough you can affect entire collections of items with flex box you can also call out individual items and apply styles to them in particular Below the examples show you how to do that orderWhen applied to an item it gives it an order relevant to other items around it An order of will go to the end of the flow direction Think of this like z index but for flex box flex growDictates the alignment of a particular item along the perpendicular axis to flow direction align selfDictates the alignment of a particular item along the perpendicular axis to flow direction ConclusionI hope you ve enjoyed this guide on flex box and I hope it s been useful in fully explaining how flex box works If you want to see something similar for CSS grid see the link here	2022-02-20 10:25:11
海外TECH	DEV Community	Python Global and Local Variables	https://dev.to/baransel/python-global-and-local-variables-1n6f	Python Global and Local VariablesSign up to my newsletter In this lesson we will learn the scope of Functions namely Global and Local variables scopes and namespace expressions Let s start As in all programming languages every class function and variable has a scope To put it simply a block and namespace in which the variables we create are valid are stored in that namespace and are deleted from memory when you leave that block Local VariableLet s show it with a simple example def function a function print a When we run the code we get the following error Traceback most recent call last File Users baran Documents work baransel dev functions py line in lt module gt print a NameError name a is not definedSo we got the error variable a could not be found because the scope of variable a is valid only inside the function Because variable a is a local variable Variables defined for a function are specific to that function only Global VariableWe learned what a local variable is now let s look at what a global variable is Let me just show you with an example a def function a print a function print a When we run the code we output and Let s see how it works now When we run the program since Python is an interpretive language it reads line by line first the function will run and as a result we got the value of in the function After the function is finished the print function will run and as a result we got the value Here since the variable a in the function function is a local variable its scope is only within the function The print function cannot reach it and prints the global variable a Then we can define global variables as follows Global variables are variables that do not belong to a single function and can be called and used from anywhere in the program once they are defined Now a question mark has appeared in your mind The global variable can be called and used everywhere but can we call these variables inside the function Of course you can use global variables in a function let me show you right away a def function print a function Global ExpressionNow that we have learned this there is something that I have just said to you so that you do not get confused Just before while we were defining global variables we made a definition like this we used the definition of global variables only variables that do not belong to a function And we also used global variables inside the function Can we do something like this can we create a global variable inside the function Let s try it now and see def function global a a print a function print a As you can see we got two values of so let s see how we got them First function will run and print the value of a in the function then the print function will run and since we have defined the variable a globally in the function the print function will still print the value on the screen as it can reach the variable a Here we learned how to create a global variable in a function with the global expression But here s a point I have to tell you because global variables are accessible everywhere your code can cause complexity so using global variable and global expression is not recommended It s better and readable to define and use locally for the function You might also likePython FunctionsPython File OperationsPython Set and FrozensetPython dictionary and dictionary methodsPython tuple and tuple methods	2022-02-20 10:20:32
ニュース	@日本経済新聞 電子版	みずほとクラウド、人員減らせない日本型ITシステム https://t.co/hJ47p4ZkaV	https://twitter.com/nikkei/statuses/1495352600799195140	日本型	2022-02-20 11:00:16
ニュース	@日本経済新聞 電子版	【北京オリンピック】「ベテランと若手が融合し、最強のチームジャパンであることを実証した」。日本選手団の伊東秀仁団長が選手たちをたたえました。 #beijing2022 #北京2022 ▶特設サイトへ… https://t.co/Gecmp7munI	https://twitter.com/nikkei/statuses/1495350191641223170	【北京オリンピック】「ベテランと若手が融合し、最強のチームジャパンであることを実証した」。	2022-02-20 10:50:42
ニュース	@日本経済新聞 電子版	【北京オリンピック】冬季五輪史上最多のメダル獲得となった今大会。奮闘したメダリストの姿を写真で振り返ります。 #beijing2022 #北京2022 ▶特設サイトへhttps://t.co/4M5BPjJzZ3 https://t.co/A5U6T2W0DU	https://twitter.com/nikkei/statuses/1495347822023090176	【北京オリンピック】冬季五輪史上最多のメダル獲得となった今大会。	2022-02-20 10:41:17
ニュース	@日本経済新聞 電子版	関東の子育て世代移住、体験ツアーやサーフィンもテコに ▶「データで読む地域再生」特設ページへ https://t.co/zZWKDnigam ▶地図で見る子育て世代の流出入 https://t.co/ufa7hJBT8V https://t.co/rVTXhf42iN	https://twitter.com/nikkei/statuses/1495341531640774658		2022-02-20 10:16:17
ニュース	@日本経済新聞 電子版	市場、地政学・インフレへの警戒　リスク回避姿勢強まる　 https://t.co/Hc0EqMJNip	https://twitter.com/nikkei/statuses/1495340633883836417	警戒	2022-02-20 10:12:43
ニュース	BBC News - Home	Ukraine: Russia plans biggest war in Europe since 1945 - Boris Johnson	https://www.bbc.co.uk/news/uk-politics-60448162?at_medium=RSS&at_campaign=KARANGA	boris	2022-02-20 10:28:27
ニュース	BBC News - Home	PM refuses to say whether he will resign if found to have broken lockdown laws	https://www.bbc.co.uk/news/uk-politics-60450444?at_medium=RSS&at_campaign=KARANGA	party	2022-02-20 10:44:56
マーケティング	AdverTimes	損保ジャパン、BD戦略部長の中村氏が常務に（22年4月1日付）	https://www.advertimes.com/20220220/article377379/	anyca	2022-02-20 10:16:41