投稿時間:2022-07-21 22:26:26 RSSフィード2022-07-21 22:00 分まとめ(39件)

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python	Pythonタグが付けられた新着投稿 - Qiita	Django Formクラスのprefixの紹介	https://qiita.com/Mainya/items/b185fafc2e071a4c5dfe	input	2022-07-21 21:07:02
Ruby	Rubyタグが付けられた新着投稿 - Qiita	Rails 7.0でないとActiveStorageのvariantに名前をつけられない	https://qiita.com/NIssyi/items/481991beec39ccacb273	activestorage	2022-07-21 21:47:05
Ruby	Railsタグが付けられた新着投稿 - Qiita	Rails 7.0でないとActiveStorageのvariantに名前をつけられない	https://qiita.com/NIssyi/items/481991beec39ccacb273	activestorage	2022-07-21 21:47:05
海外TECH	DEV Community	In JavaScript, what's the difference between a variable that is: null, undefined and undeclared?	https://dev.to/anewman15/in-javascript-whats-the-difference-between-a-variable-that-is-null-undefined-and-undeclared-j1f	In JavaScript what x s the difference between a variable that is null undefined and undeclared In JavaScript it is common to declare and initialize a variable at the same time It is also commonplace to declare a variable leave it uninitialized and then assign it at a later point Any undeclared variable evaluated in the code throws ReferenceError null and undefined are JS primitives and they differ from each other in terms of their types and what values they represent Undeclared however is plain English not a JavaScript keyword DifferencesThere are a number of differences between variables that are null and undefined A null value s type is object whereas an undefined variable is of undefined type null represents the presence of a value but an intentional absence of an object therefore of type object while an undefined variable points to absence of any value null has to be assigned to a variable In contrast undefined is set automatically at declaration and can also be assigned explicitly Undeclared variables are different from null and undefined in the way how JavaScript treats an undeclared variable An undeclared variable throws a ReferenceError but its type is actually undefined console log x Uncaught ReferenceError x is not definedconsole log typeof x undefinedNotice how typeof x doesn t throw an error because x is not being evaluated here Checking for themFalsinessnull and undefined represent negative values So they are termed as falsy as opposed to a truthy value In order to decide whether a variable is either null or undefined we have to get a falsy value In other words not a truthy one Generally a variable is tested for truthiness and if it fails its falsy i e either null or undefined let x if x console log Hi this is x else console log x undefined x null if x console log Hi this is x else console log Now I m x Now I m null In order to decide between null and undefined states of a variable we have to test it with the strict equality operator let x if x undefined console log Hi this is x Hi this is undefined else console log x x null if x null console log Hi this is x Hi this is null else console log x This is because the standard equality operator is ambiguous in deciding between the two It returns true for any of these two values let x if x null console log Hi this is x else console log x x null if x undefined console log Hi this is x else console log x Notice how x null returns true for x undefined and x undefined returns true for x null It s out of mind UndeclaredUndeclared variables in the global scope can be checked without throwing a Reference Error with if x in window console log Hi else console log Hi x is doesn t live here Hi x doesn t live here Referencesundefinednull	2022-07-21 12:40:00
海外TECH	DEV Community	Show dev: I built a collection of open-source drawer components for Tailwind CSS	https://dev.to/themesberg/show-dev-i-built-a-collection-of-open-source-drawer-components-for-tailwind-css-3m6e	Show dev I built a collection of open source drawer components for Tailwind CSSHey dev community Together with my friends from the Flowbite community we are shipping a brand new Drawer component that lets you show or hide an off canvas element relative to the document page based on multiple placements top right bottom and left Here s a preview of the default drawer component The component works with clean Tailwind CSS classes and you only need to include the JS script to make it work with data attributes and the Drawer API programmatically via JS We also built some examples such as default drawer title description and CTA buttons contact formform elements including date pickernavigation menu sidebarAll of the components have dark mode included and are responsive and can be quite easily customized by adding any type of elements inside of it and you can also change the height and width of the drawer Another feature that we built is the swipeable edge component which lets you offset the drawer with a given height so that you can show a small part of it when inactive Brought to you with big ️by the Flowbite community Links Tailwind CSS Drawer FlowbiteGitHub repositoryHere s the full list of drawer components as a preview Drawer navigation sidebar Use this example to show a navigational sidebar inside the drawer component Get source code Drawer contact formUse this example to show a contact form inside the drawer component Get source code Drawer form elementsUse this example if you want to add form elements inside the drawer component including datepickers Drawer placementUse the placement options to position the drawer component either on the top right bottom or left side of the document page This can be done using the data drawer placement top right bottom left data attribute where the default value is “left Learn more about drawer placement Swipeable edgeThe drawer edge functionality allows you to show a small part of the drawer when it is not shown completely by applying the data drawer edge true false data attribute In this example we also use the data drawer toggle id option to toggle the visibility of the drawer component by clicking on the “edge part of the element Use the data drawer edge offset bottom px data attribute where you can apply a class from Tailwind CSS to set the offset Default value is bottom px Learn more about swipeable edge drawer Dark modeAll of these drawer components have dark mode support if enabled via Tailwind CSS	2022-07-21 12:17:25
海外TECH	DEV Community	Solanart Clone Script - Best Way to Start a Marketplace like Solanart	https://dev.to/emma_lightwood/solanart-clone-script-best-way-to-start-a-marketplace-like-solanart-21c9	Solanart Clone Script Best Way to Start a Marketplace like SolanartSolanart is one of the NFT Marketplaces on the Solana blockchain which has recently attracted millions of NFT users across the world It is an open marketplace for all types of NFTs Due to its popularity revenue streams and impeccable features many budding startups wanted to build an NFT Marketplace on the Solana blockchain and this Solanart is the right business model On thinking about the best way to start an NFT Marketplace like Solanart in this digital world let me tell you the solution for this Solanart Clone Script Solanart Clone script is the easiest way for initiating an NFT marketplace similar to Solanart on the Solana blockchain As this software is equipped with all the fascinating features of the Solanart NFT Marketplace the initiation and development process is a much easier one That is why using this clone script is the simplest way of establishing an NFT Marketplace similar to Solanart Besides this solanart clone software can be altered according to the business requirements Along with that it is crafted and tampered with all necessary features and security modules to launch an NFT Marketplace on the Solana blockchain So by making use of this clone script many startups and entrepreneurs will enjoy various benefits and profits in their marketplace business Some of the benefits of using this clone script are Generate Huge ROIInstant deploymentHighly reliable and scalableCompatible with multiple walletsEconomical solution customizableFrom the above mentioned benefits it is clearly visible that the solanart clone script is the ideal choice to initiate an NFT marketplace Also this clone script drastically reduces the cost required to set up your NFT Marketplace when compared to other methods To experience such a beneficial Solanart clone script avail the clone script from the reputed white label NFT Marketplace development company in the industry and take your NFT business to next level	2022-07-21 12:07:05
Apple	AppleInsider - Frontpage News	How to do event planning on a Mac	https://appleinsider.com/inside/macos/tips/how-to-do-event-planning-on-a-mac?utm_medium=rss	How to do event planning on a MacThe Mac comes with many apps you can use to create ーand manage ーevents though there are also better third party ones Here s how to make any event happen with your Mac Workshops weddings parties or a week s on location shoot for a movie it doesn t matter what the event is Everything you need to organize has the same core elements to it even if the details then vary a lot and the Mac is built to do all of it And it s even better suited when you also use the iPhone and iPad Read more	2022-07-21 12:57:04
Apple	AppleInsider - Frontpage News	Eve launches new HomeKit motion sensor with Thread, light triggers	https://appleinsider.com/articles/22/07/21/eve-launches-new-homekit-motion-sensor-with-thread-light-triggers?utm_medium=rss	Eve launches new HomeKit motion sensor with Thread light triggersThe new second generation Eve Motion HomeKit sensor adds Thread support an integrated light sensor and costs less than the previous model Six years after its original motion sensor was released with HomeKit support Eve is launching an updated model to replace it Alongside the regular motion detection of the previous model this generation adds a luminosity sensor The company also says that it has aimed at future proofing the motion sensor by adding Thread and being ready for the new Matter smart home standard Read more	2022-07-21 12:42:51
Apple	AppleInsider - Frontpage News	Apple & Microsoft agree to 'rubbery' new content law in Indonesia	https://appleinsider.com/articles/22/07/21/apple-microsoft-agree-to-rubbery-new-content-law-in-indonesia?utm_medium=rss	Apple amp Microsoft agree to x rubbery x new content law in IndonesiaBig Tech companies including Apple have registered for licences in Indonesia which gives local authorities flexible and rubbery powers to censor platforms Ahead of Indonesia s July deadline major Big Tech companies appear to have all agreed to the country s new content laws A total of non Indonesia companies signed up reportedly some just hours before the deadline According to the Financial Times signing up to the new regulation means that local authorities can demand content be removed if they disturb society or public order They can also demand access to the companies data Read more	2022-07-21 12:25:12
Apple	AppleInsider - Frontpage News	3D printer basics: The best 3D printers for Mac and iOS users	https://appleinsider.com/articles/22/07/20/3d-printer-basics-the-best-3d-printers-for-mac-and-ios-users?utm_medium=rss	D printer basics The best D printers for Mac and iOS usersIf you want to delve into the emerging ecosystem of D printing and own a Mac iPhone or iPad here s what you need to know before you take your first foray and print your first test boat Image via Pexels A natural progression of the maker movement D printing has risen in popularity over the years and has become a way for people to turn D models into real physical items Read more	2022-07-21 12:27:44
海外TECH	Engadget	Solo Stove knocks up to 45 percent off fire pits in its summer sale	https://www.engadget.com/solo-stove-knocks-up-to-45-percent-off-fire-pits-in-its-summer-sale-124527680.html?src=rss	Solo Stove knocks up to percent off fire pits in its summer saleDespite the summer heat a fire pit can elevate your backyard s environment Solo Stove makes some of our favorite fire pits and now the company s brought back some of its best discounts on all three of its devices You can get up to percent off Solo Stove fire pits right now which translates to off the Ranger off the Bonfire and a whopping off the Yukon Shop fire pits at Solo StoveYou might be hesitant to get a fire pit for your backyard but Solo Stove s machines don t produce the smokiness that you might associate with normal fire pits Instead they channel smoke away from you using a double walled design that pulls hot air through vent holes and back into the fire In addition to reducing smoke this also creates a fine ash and keeps the fire hot That s one of the main reasons we ve recommended Solo Stove fire pits in the past and another is their relatively portable designs The pound Ranger and the pound Bonfire can be moved round your backyard pretty easily and they can go in your trunk before you head out on a camping trip or family outing The pound Yukon on the other hand should probably be left in a semi permanent spot on your property As we ve mention in guides before we recommend splurging for a bundle that includes a stand and a weather proof cover so you ll have everything you need to use and protect the fire pit of your choosing Follow EngadgetDeals on Twitter and subscribe to the Engadget Deals newsletter for the latest tech deals and buying advice	2022-07-21 12:45:27
海外TECH	Engadget	How to pre-order the Google Pixel 6a smartphone	https://www.engadget.com/how-to-pre-order-google-pixel-6a-smartphone-google-pixel-buds-pro-190109440.html?src=rss	How to pre order the Google Pixel a smartphoneBack in May Google announced the Pixel a smartphone the newest model in its midrange phone lineup It takes a lot of design nods from the Pixel and Pro while incorporating a Tensor AI chip and knocking the price down to a more accessible You may think you ll need to sacrifice a lot when paying about half the price of other flagship phones for this one but Google actually tried to bring a lot of premium features to the Pixel a Also at I O Google announced the Pixel Buds Pro its answer to Apple s AirPods Pro and the company s first earbuds to support active noise cancellation Here s how you can pre order both the Google Pixel a and the Google Pixel Buds Pro Google Pixel aEngadgetThe Google Pixel a will be available for pre order starting July st at am PT pm ET for and it will be more widely available starting July th You ll be able to pick it up from the Google store and other retailers like Amazon Pre order Pixel a at Amazon Pre order Pixel a at Google The Pixel a is the latest midrange phone from Google but just because it s not a true flagship doesn t mean it won t have some of the features that the standard Pixel does In fact Google carried a lot of things over including G support the Titan M security chip and the same Tensor SoC that s inside the Pixel Pro It also has an under display fingerprint sensor and a USB C port for charging but alas no headphone jack As far as the camera goes the Pixel a has the recognizable camera bar that the rest of the Pixel series has along with a dual rear array that includes a megapixel main shooter and an ultra wide lens It also has some of Google advanced camera features like Night Sight Magic Eraser and more Overall the Pixel a s design is very similar to that of the others in the lineup but it s about the size of a Pixel and has a inch always on touchscreen with a Hz refresh rate and HDR support Google claims the battery inside the Pixel a will last all day Google Buds ProGoogleThe Google Pixel Buds Pro will be available for pre order starting July st for and they will be more widely available starting July th They will be available in red green blue and black You ll be able to pick them up from the Google store and other retailers like Wellbots which has knocked off the pre order price when you use the code ENGADGET at checkout Pre order Pixel Buds Pro at Google Pre order Pixel Buds Pro at Wellbots The Pixel Buds Pro are the first that Google has made that support ANC The buds also have a new custom audio processor and transparency mode the latter of which should help you jump into conversations without taking the buds out of your ears Like many other earbuds at this price range the Pixel Buds Pro will be able to connect to more than one device at a time and intelligently switch between say your phone when you need to take a call and music from your computer Google claims the Pixel Buds Pro will get up to hours of listening time on a single charge or up to seven hours if you use ANC for the whole time The company also said they ll be updating the earbuds to support spatial audio later this year	2022-07-21 12:30:12
海外科学	NYT > Science	Monarch Butterflies Are Placed on IUCN Red List	https://www.nytimes.com/2022/07/21/climate/monarch-butterflies-endangered-iucn.html	butterflies	2022-07-21 12:26:29
海外科学	BBC News - Science & Environment	Neutron star chaser: Telescope spots dead suns crash	https://www.bbc.co.uk/news/science-environment-61911047?at_medium=RSS&at_campaign=KARANGA	stars	2022-07-21 12:00:37
金融	金融庁ホームページ	金融審議会「市場制度ワーキング・グループ」（第19回）議事録について公表しました。	https://www.fsa.go.jp/singi/singi_kinyu/market-system/gijiroku/20220621.html	金融審議会	2022-07-21 13:30:00
ニュース	BBC News - Home	We will learn lessons before next pandemic - inquiry	https://www.bbc.co.uk/news/health-62250899?at_medium=RSS&at_campaign=KARANGA	robust	2022-07-21 12:44:30
ニュース	BBC News - Home	Cost-of-living help offered with discount supermarket deals	https://www.bbc.co.uk/news/uk-politics-62252239?at_medium=RSS&at_campaign=KARANGA	campaign	2022-07-21 12:16:28
ニュース	BBC News - Home	Eurozone raises interest rates for first time in 11 years	https://www.bbc.co.uk/news/business-62240730?at_medium=RSS&at_campaign=KARANGA	inflation	2022-07-21 12:45:13
ニュース	BBC News - Home	Linda Evangelista: Supermodel settles cosmetic procedure case	https://www.bbc.co.uk/news/entertainment-arts-62249710?at_medium=RSS&at_campaign=KARANGA	casethe	2022-07-21 12:35:52
ニュース	BBC News - Home	Nord Stream: Key Russian pipeline resumes pumping gas to Europe	https://www.bbc.co.uk/news/world-europe-62249015?at_medium=RSS&at_campaign=KARANGA	ukraine	2022-07-21 12:25:36
ニュース	BBC News - Home	Graham Mansfield: Hale man cleared of terminally ill wife's murder	https://www.bbc.co.uk/news/uk-england-manchester-62250733?at_medium=RSS&at_campaign=KARANGA	mansfield	2022-07-21 12:53:12
ニュース	BBC News - Home	Euro 2022: England defender Lucy Bronze's inspiring letter to herself	https://www.bbc.co.uk/sport/football/62253576?at_medium=RSS&at_campaign=KARANGA	bronze	2022-07-21 12:23:51
北海道	北海道新聞	くしろ湿原ノロッコ号、３年ぶり夕日色　８月１８日～９月２２日けん引	https://www.hokkaido-np.co.jp/article/708622/	観光列車	2022-07-21 21:38:00
北海道	北海道新聞	道内医師ら１７人を行政処分	https://www.hokkaido-np.co.jp/article/708621/	刑事事件	2022-07-21 21:37:00
北海道	北海道新聞	「またチャンス」次作に期待　河﨑さん「絞め殺しの樹」直木賞逃す	https://www.hokkaido-np.co.jp/article/708620/	秋子さん	2022-07-21 21:36:00
北海道	北海道新聞	オ４―３日（２１日）　日本ハム今季４度目の５連敗	https://www.hokkaido-np.co.jp/article/708616/	日本ハム	2022-07-21 21:31:56
北海道	北海道新聞	開祭式後に花火２千発　室蘭・港まつり２９日開幕　ねりこみは中止	https://www.hokkaido-np.co.jp/article/708618/	開幕	2022-07-21 21:30:00
北海道	北海道新聞	胆振管内１９６人感染　２カ月ぶり水準　新型コロナ	https://www.hokkaido-np.co.jp/article/708617/	新型コロナウイルス	2022-07-21 21:27:00
北海道	北海道新聞	オホーツク管内、過去最多１７２人感染　新型コロナ	https://www.hokkaido-np.co.jp/article/708614/	新型コロナウイルス	2022-07-21 21:23:00
北海道	北海道新聞	感染急増、胆振１９６人　日高管内２７人	https://www.hokkaido-np.co.jp/article/708612/	新型コロナウイルス	2022-07-21 21:19:00
北海道	北海道新聞	東京・秋葉原で「男性刺された」　容体不明、男性２人事情聴取	https://www.hokkaido-np.co.jp/article/708600/	事情聴取	2022-07-21 21:04:39
北海道	北海道新聞	二酸化炭素吸収量４０７トン購入　ＪＡきたみらい生産者、過去最大	https://www.hokkaido-np.co.jp/article/708611/	二酸化炭素	2022-07-21 21:18:00
北海道	北海道新聞	サハリン２の権益維持方針に理解　三井物産、撤退も選択肢	https://www.hokkaido-np.co.jp/article/708593/	三井物産	2022-07-21 21:20:25
北海道	北海道新聞	旧添牛内駅舎、築１００年まで残したい　有志がＣＦで修繕費募る	https://www.hokkaido-np.co.jp/article/708599/	上川管内	2022-07-21 21:20:21
北海道	北海道新聞	おたる潮まつり、最終２４日は道新花火大会　近藤工業が台船無償提供	https://www.hokkaido-np.co.jp/article/708610/	無償提供	2022-07-21 21:17:00
北海道	北海道新聞	おたる潮まつり２２日開幕　「ねりこみ」に２８００人　感染対策にも細心の注意	https://www.hokkaido-np.co.jp/article/708607/	夏の風物詩	2022-07-21 21:14:33
北海道	北海道新聞	藤井が連勝し２勝１敗　王位戦第３局	https://www.hokkaido-np.co.jp/article/708496/	豊島将之	2022-07-21 21:14:32
北海道	北海道新聞	カンディハウスとソメスサドルが新ブランド　木と革の端材をオブジェに	https://www.hokkaido-np.co.jp/article/708606/	新ブランド	2022-07-21 21:12:00
ニュース	Newsweek	娘の結婚式の最中にプロポーズされた母、反応が話題に	https://www.newsweekjapan.jp/stories/lifestyle/2022/07/post-99169.php	伝統的に「ブーケをキャッチした女性が次の花嫁になる」と言われている。	2022-07-21 21:05:00