投稿時間:2023-07-02 01:13:34 RSSフィード2023-07-02 01:00 分まとめ(19件)

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IT	気になる、記になる…	｢Google Pixel 8｣シリーズのバッテリー容量や充電仕様に関する情報が明らかに	https://taisy0.com/2023/07/02/173536.html	google	2023-07-01 15:02:08
python	Pythonタグが付けられた新着投稿 - Qiita	ABC308をPythonで解いてみたよ。(A～F問題)	https://qiita.com/hyouchun/items/2e207f41b7a0ace5509b	atcoder	2023-07-02 00:25:36
python	Pythonタグが付けられた新着投稿 - Qiita	Pythonで計算問題の小テストを一瞬で作成する方法	https://qiita.com/akiba_burari/items/0a55a3c174af531e39de	計算	2023-07-02 00:08:12
js	JavaScriptタグが付けられた新着投稿 - Qiita	【make it easy】ギガバイトのテキストを恐れなし	https://qiita.com/changkejun/items/2777f3006c4a0b8d2213	makeiteasy	2023-07-02 00:26:33
js	JavaScriptタグが付けられた新着投稿 - Qiita	npmでよく使うコマンド	https://qiita.com/uhooi/items/5deff087da2901a05847	npminitnodejs	2023-07-02 00:01:26
Ruby	Rubyタグが付けられた新着投稿 - Qiita	【Ruby on Rails6】dockerでの環境構築忘備録	https://qiita.com/hogenuma/items/82f03f529d2545873ed2	docker	2023-07-02 00:59:46
Docker	dockerタグが付けられた新着投稿 - Qiita	【Ruby on Rails6】dockerでの環境構築忘備録	https://qiita.com/hogenuma/items/82f03f529d2545873ed2	docker	2023-07-02 00:59:46
Ruby	Railsタグが付けられた新着投稿 - Qiita	【Ruby on Rails6】dockerでの環境構築忘備録	https://qiita.com/hogenuma/items/82f03f529d2545873ed2	docker	2023-07-02 00:59:46
海外TECH	MakeUseOf	How Does a Ring Doorbell Work? What You Need to Know	https://www.makeuseof.com/how-ring-doorbell-works/	company	2023-07-01 15:46:17
海外TECH	MakeUseOf	Think Your Phone Has Been Hacked? Here's What to Do Next	https://www.makeuseof.com/phone-hacked-what-to-do-next/	android	2023-07-01 15:30:19
海外TECH	MakeUseOf	How to Fix the “We Can’t Find Your Camera” Error on Windows 11	https://www.makeuseof.com/cant-find-camera-error-windows-11/	windows	2023-07-01 15:15:19
海外TECH	DEV Community	Conditionals in Julia	https://dev.to/ifihan/conditionals-in-julia-30b8	Conditionals in JuliaConditionals are an essential component of programming languages that allows you to make decisions based on certain conditions and logic They allow programs to be dynamic and enhance flexibility Like other programming languages Julia has support for conditionals In this article you will explore the fundamentals of conditionals in Julia Basic Syntax of Conditionals in JuliaConditionals in Julia are typically expressed using the if else construct This construct allows you to specify different code blocks to execute based on the evaluation of one or more conditions The basic syntax of the if else construct in Julia is as follows if condition code to execute if condition is trueelse code to execute if the conditions are trueendBreaking down the syntax above if keyword It marks the beginning of the conditional statement condition It represents the first condition to be evaluated If this condition evaluates to true the code block associated with condition will be executed The code block for condition This is the set of statements that will be executed if condition is true It is indented and placed below the if statement else keyword optional It is used to specify a code block that will be executed if none of the preceding conditions are true The code block for else This block contains the statements to execute if none of the conditions specified in the if and elseif sections are true end keyword It marks the end of the conditional statement Below is an illustration of the usage of conditionals in Julia x if x gt println x is positive else println x is not positive endIn this example the condition x gt is evaluated first If it s true the corresponding code block println x is positive is executed Then if the condition is false the code block under else println x is not positive is executed Handling Multiple ConditionsIn Julia you can handle multiple conditions by using multiple elseif statements after the initial if statement This allows you to evaluate different conditions sequentially until a condition is met or the else block is reached Modifying the previous code to take in an elseif keyword x if x gt println x is positive elseif x lt println x is negative elseif x println x is zero else println This should not be reached endIn this example the code first checks if x is greater than If it is the message x is positive is printed If not it moves to the next elseif statement and checks if x is less than If x is less than the message x is negative is printed If neither of these conditions is true it proceeds to the next elseif statement and checks if x is equal to If x is indeed equal to the message x is zero is printed Finally if none of the conditions are met the code block under the else statement is executed It s important to note that the order of conditions matters In the example above the conditions are evaluated sequentially and the first condition that evaluates to true triggers the corresponding code block Therefore if you have conditions that are more specific or need to be evaluated first ensure they appear before more general or less specific conditions Ternary Operator as a ShorthandJulia provides a concise shorthand for writing simple conditional expressions called the ternary operator It is represented as The ternary operator allows you to express conditional statements in a more compact and streamlined manner The syntax of the ternary operator in Julia is as follows condition expression if true expression if falseLet s break down the components of the ternary operator condition It represents the condition to be evaluated If this condition is true the expression before the is executed Otherwise the expression after the is executed expression if true It is the expression or value to be returned if the condition is true expression if false It is the expression or value to be returned if the condition is false Here s an example to demonstrate the usage of the ternary operator in Julia x message x gt x is positive x is not positive println message In this example above the condition x gt is evaluated If the condition is true the expression x is positive is assigned to the variable message If the condition is false the expression x is not positive is assigned to message Finally the value of message is printed which in this case would be x is positive since x is indeed greater than The ternary operator is particularly useful for writing concise conditional expressions where you have a simple true false condition and two possible outcomes However it s important to use the ternary operator judiciously While it can make your code more concise excessively complex expressions or nested ternary operators can reduce readability and maintainability Best Practices and TipsWhen working with conditionals generally it s important to follow certain best practices and tips to ensure that your code remains clear readable and maintainable Here are some recommendations to keep in mindUse clear and descriptive conditionals Choose condition names that clearly represent the logic being evaluated Avoid excessive nesting Excessive nesting of conditionals can make your code hard to read and understand Order conditions appropriately When using multiple elseif statements order the conditions in a way that makes logical sense Place more specific conditions before more general ones to ensure correct evaluation Test your conditionals thoroughly As with any code thoroughly test your conditionals with different inputs to ensure they behave as expected ConclusionAt the end of this article you have been able to see the importance and power of conditionals in programming Also you have learned the syntax of the if elseif else construct and the usage of the ternary operator so you can effectively implement decision making logic in your Julia programs With your newfound knowledge of conditionals you now possess a powerful tool for creating dynamic and responsive programs By leveraging conditionals you can adapt your code to different scenarios and make it more versatile and adaptable	2023-07-01 15:26:30
海外科学	NYT > Science	Live Video: SpaceX Launches the Euclid Telescope to Study the Dark Universe	https://www.nytimes.com/2023/07/01/science/spacex-euclid-launch.html	Live Video SpaceX Launches the Euclid Telescope to Study the Dark UniverseThe European Space Agency mission which launched on Saturday will capture billions of galaxies to create a cosmic map spanning space and time	2023-07-01 15:59:45
ニュース	BBC News - Home	London Pride: Seven arrests as Just Stop Oil protest delays parade	https://www.bbc.co.uk/news/uk-england-london-66074939?at_medium=RSS&at_campaign=KARANGA	delays	2023-07-01 15:32:19
ニュース	BBC News - Home	Watch: 'Dark explorer' telescope launched into space	https://www.bbc.co.uk/news/science-environment-66077409?at_medium=RSS&at_campaign=KARANGA	matter	2023-07-01 15:41:08
ニュース	BBC News - Home	Tour de France: Britain's Adam Yates beats identical twin Simon to win stage one	https://www.bbc.co.uk/sport/cycling/66076741?at_medium=RSS&at_campaign=KARANGA	Tour de France Britain x s Adam Yates beats identical twin Simon to win stage oneBritain s Adam Yates beat identical twin brother Simon to win stage one of the Tour de France and take the leader s yellow jersey	2023-07-01 15:51:04
ニュース	BBC News - Home	The Ashes: Rehan Ahmed's 'genius' fielding saves a six	https://www.bbc.co.uk/sport/av/cricket/66076995?at_medium=RSS&at_campaign=KARANGA	The Ashes Rehan Ahmed x s x genius x fielding saves a sixWatch as England s Rehan Ahmed produces a genius piece of fielding to save a Mitchell Starc shot from going for six on day four of the second Ashes Test at Lord s	2023-07-01 15:21:34
ニュース	BBC News - Home	France riots: Marseille gun shop looted amid fears of increased violence	https://www.bbc.co.uk/news/world-europe-66076332?at_medium=RSS&at_campaign=KARANGA	marseille	2023-07-01 15:20:03
IT	週刊アスキー	ASUSからAMD A620チップセット採用マザーが登場	https://weekly.ascii.jp/elem/000/004/143/4143488/	microatx	2023-07-02 00:07:00