投稿時間:2023-08-12 19:13:40 RSSフィード2023-08-12 19:00 分まとめ(16件)

カテゴリー等	サイト名等	記事タイトル・トレンドワード等	リンクURL	頻出ワード・要約等/検索ボリューム	登録日
python	Pythonタグが付けられた新着投稿 - Qiita	Seleniumが本当にバレバレなのか試してみた	https://qiita.com/Guz9N9KLASTt/items/f62319a0f6ff00066f66	selenium	2023-08-12 18:59:19
python	Pythonタグが付けられた新着投稿 - Qiita	ChatGPT(GPT-4)に質問できるSlack BotをAWS Lambda(OpenAIライブラリなし)で作成してみた	https://qiita.com/fkdfkdfkd/items/c8734493e4202ab3c4ed	openai	2023-08-12 18:36:14
js	JavaScriptタグが付けられた新着投稿 - Qiita	propsの型をbooleanに変更する方法	https://qiita.com/qiita969/items/de26cdfdf23f1a3b0581	boolean	2023-08-12 18:42:41
js	JavaScriptタグが付けられた新着投稿 - Qiita	javascriptを用い、option valueの数値を表示かつ、2の倍数かどうかの判定がしたいです。	https://qiita.com/sembokulove/items/6b28900cda747c186e2d	number	2023-08-12 18:02:56
AWS	AWSタグが付けられた新着投稿 - Qiita	ChatGPT(GPT-4)に質問できるSlack BotをAWS Lambda(OpenAIライブラリなし)で作成してみた	https://qiita.com/fkdfkdfkd/items/c8734493e4202ab3c4ed	openai	2023-08-12 18:36:14
技術ブログ	Developers.IO	EC2 접속 시 REMOTE HOST IDENTIFICATION HAS CHANGED 에러 해결	https://dev.classmethod.jp/articles/resolving-remote-host-identification-has-changed-errors-on-ec2-access/	EC 접속시REMOTE HOST IDENTIFICATION HAS CHANGED 에러해결안녕하세요클래스메소드김재욱 Kim Jaewook 입니다 이번에는EC 접속시표시되는REMOTE HOST IDENTIFICATION HAS CHANGED 에러를해결하는방법에대해서	2023-08-12 09:24:32
海外TECH	MakeUseOf	How to Stream Your Xbox Gameplay to Discord	https://www.makeuseof.com/how-to-stream-xbox-gameplay-to-discord/	discord	2023-08-12 09:09:39
海外TECH	DEV Community	What is SQL?	https://dev.to/rashtech/what-is-sql-13fn	What is SQL Data has been intertwined with human existence since ancient times Information about the number of individuals in a location the costs of goods and the online platforms you explore constitutes data SQL a programming language simplifies the examination and analysis of this data SQL stands for Structured Query Language It is a domain specific programming language employed for overseeing and governing relational databases SQL is used to reach databases through query composition enabling operations such as data insertion updating deletion and retrieval It outlines a specific way to interact with databases and is used by database management systems DBMS like MySQL Oracle and more WHY SQL •SQL assesses and reads data of nearly any magnitude •SQL furnishes a methodical and effective approach to oversee and structure extensive quantities of data in databases •SQL permits contemporary data modification through its UPDATE INSERT and DELETE instructions •SQL enables data retrieval by means of queries ensuring streamlined efficiency •SQL offers security by granting you authority over data access permissions IMPORTANCE OF SQL The importance of SQL lies within its ways of managing and interacting with relational databases It has the ability to run queries on a database fetch information from it add entries to the database modify existing records eliminate entries establish fresh databases form novel tables within a database generate stored procedures and views and manage permissions linked to tables procedures and views SOME POPULAR SQL COMMANDS•SELECT Retrieves information from a database •UPDATE Alters data in a database •DELETE Removes data from a database •INSERT INTO Adds fresh data to a database •CREATE DATABASE Generates a novel database •ALTER DATABASE Modifies an existing database •CREATE TABLE Forms a new table •ALTER TABLE Adjusts a table •DROP TABLE Erases a table •CREATE INDEX Establishes an index •DROP INDEX Eliminates an index CREDIT IMAGES WHERE GOTTEN FROM GOOGLE	2023-08-12 09:49:32
海外TECH	DEV Community	LeetCode, Hard, last two problems: 2809. Minimum Time to Make Array Sum At Most x & 2813. Max Elegance of a K-Length Subseq.	https://dev.to/sergeyleschev/leetcode-hard-the-last-two-problems-2809-minimum-time-to-make-array-sum-at-most-x-2813-max-elegance-of-a-k-length-subseq-123i	LeetCode Hard last two problems Minimum Time to Make Array Sum At Most x amp Max Elegance of a K Length Subseq Min Time to Make Array Sum Efficient Swift solution using dynamic programming for minimizing time to reach a sum in arrays A and B Time O n Space O n Max Elegance of K Length Subseq Swift code for elegantly selecting unique k length subsequences with profit and categories Solution uses sorting and iteration Time O nlogn Space O n Github Minimum Time to Make Array Sum At Most x DescriptionLeetCode ApproachWe begin by calculating the total sum of the arrays A and B as sa and sb respectively If no actions are taken at i seconds we would have a total of sb i sa During the t seconds we select t elements When we consider these selected elements A i would be removed The sum for these selected elements would be b t b t bt where b b b bt are arranged in increasing order To solve this problem we sort all the pairs B i A i based on the value of B i We then utilize dynamic programming dp with the following logic dp j i represents the maximum value we can reduce within i seconds using j step smallest integers The dp equation is as follows dp j i max dp j i dp j i i b a In the end we return the value of i seconds if sb i sa dp n i is less than or equal to x If not we return It is possible to optimize the space complexity by storing only the first dimension of the dp array ComplexityTime complexity O n Space complexity O n Code Swift class Solution func minimumTime nums Int nums Int x Int gt Int let n nums count var dp Int repeating count n let sortedPairs zip nums nums sorted lt for j b a in sortedPairs enumerated for i in stride from j through by dp i max dp i dp i i b a let sa nums reduce let sb nums reduce for i in n if sb i sa dp i lt x return i return Source Github Maximum Elegance of a K Length Subsequence DescriptionLeetCode IntuitionThe approach involves sorting the items array in descending order based on the profiti By selecting the first k items we ensure that we attain the highest possible total profit ApproachUpon the selection of the initial k items attention turns to the remaining n k items The viability of adding these items depends on whether they belong to an unexplored category not yet in the seen set Given the restriction of maintaining a subsequence size of k a pivotal decision arises To optimize the elegance metric the algorithm strategically replaces an existing item with the lowest profit when that item shares its category with another This iterative refinement process continually adjusts the subsequence while upholding the imperative of category distinctiveness The final output of the function encapsulates the pinnacle of elegance attained through this intricate processーa union of the cumulative impact of total profit and the singularity of categories ComplexityTime complexity O nlogn Space complexity O n Code Swift class Solution func findMaximumElegance items Int k Int gt Int var items items sorted by gt var res Int var cur Int var dup Int var seen Set lt Int gt for i in lt items count if i lt k if seen contains items i dup append items i cur Int items i else if seen contains items i if dup isEmpty break cur Int items i dup removeLast seen insert items i res max res cur Int seen count Int seen count return Int res Source GithubContactsI have a clear focus on time to market and don t prioritize technical debt And I took part in the Pre Sale RFX activity as a System Architect assessment efforts for Mobile iOS Swift Android Kotlin Frontend React TypeScript and Backend NodeJS NET PHP Kafka SQL NoSQL And I also formed the work of Pre Sale as a CTO from Opportunity to Proposal via knowledge transfer to Successful Delivery ️ startups management cto swift typescript databaseEmail sergey leschev gmail comLinkedIn LeetCode Twitter Github Website Reddit Quora Medium sergeyleschev️PDF Design Patterns Download	2023-08-12 09:40:56
海外TECH	DEV Community	10 Benefits of Using Ruby on Rails for Startups	https://dev.to/edenwheeler/10-benefits-of-using-ruby-on-rails-for-startups-22c7	Benefits of Using Ruby on Rails for StartupsRuby on Rails or simply Rails has become one of the leading web application frameworks for startups and established businesses alike Let s explore the key benefits that make it so appealing particularly for startups along with valuable tips for those venturing into Rails development Time EfficiencyBenefit One of Ruby on Rails greatest strengths is its focus on Convention over Configuration CoC and the Don t Repeat Yourself DRY principles This means developers don t have to spend unnecessary time setting up configurations as Rails follows a set of sensible defaults It fosters writing concise and maintainable code thereby speeding up the development process Tip Start by understanding the core principles of CoC and DRY Study the official Rails guides attend Rails community workshops and engage with experienced developers to grasp how these principles can reduce your development time Time efficiency isn t just about writing code faster it s about creating a more streamlined development workflow Cost EffectiveBenefit Being an open source framework Rails offers a cost effective solution for startups operating with tight budgets The availability of a vast library of free gems packages allows startups to add complex features without incurring the expenses typically associated with proprietary software Tip Always look for well supported and widely used gems from platforms like RubyGems By choosing reliable components you ll avoid potential security risks and ensure that your application can grow without unexpected challenges Rich Libraries and Community SupportBenefit Rails extensive libraries and robust community support are pillars of its success There are gems for almost every functionality you can imagine while forums online groups and conferences foster a sense of collaboration and shared knowledge Tip Engage with the community through platforms like Stack Overflow GitHub or specialized Rails forums Attend conferences webinars and workshops to gain insights and establish connections The collective knowledge and collaboration within the community are invaluable resources ScalabilityBenefit Scaling an application as your startup grows is a common challenge Rails however provides a solid foundation for scalability With proper planning and execution a Rails application can handle an increase in users and data with relative ease Tip Consulting with Rails experts or experienced developers during the planning phase can set you on the right path Understanding database indexing caching strategies and background processing can help you design a scalable architecture from the ground up ConsistencyBenefit Rails promotes consistency through its coding conventions and standardized file storage This makes it easier for developers to understand code regardless of who wrote it enhancing collaboration and reducing the learning curve for new team members Tip Adopt consistent coding practices across your team and invest in regular code reviews and pair programming A consistent codebase is not only more maintainable but also fosters a harmonious team culture SecurityBenefit Rails comes with several built in security features that protect against common vulnerabilities such as SQL injection cross site scripting XSS and Cross Site Request Forgery CSRF Security is a priority not an afterthought in Rails development Tip Regularly updating your Rails version and following the official security guides is essential Utilize security focused gems and consider regular security audits to identify and rectify vulnerabilities Flexible and CustomizableBenefit Rails is not a rigid framework It provides ample flexibility for developers to tailor applications to specific business requirements From the user interface to database interactions every component can be customized Tip While flexibility is a strength it should be approached with caution Customizing every aspect can lead to a complex codebase that s hard to maintain Balance customization with adherence to Rails conventions for a smoother development experience Enhanced CollaborationBenefit Rails promotes collaboration through its organized structure and common coding practices Different team members including designers developers and project managers can work cohesively due to this clear and standardized approach Tip Leverage tools like Git for version control and platforms like Jira or Trello for project management that integrates well with Rails Regular communication and a clear understanding of the project structure can foster an even more collaborative environment Test Driven Development SupportBenefit Rails support for test driven development TDD ensures a higher quality of code With comprehensive testing tools like RSpec developers can write tests that make sure the code functions as intended reducing bugs and enhancing stability Tip Invest in learning different testing methodologies and tools Implementing tests at the beginning of the development cycle can save time and resources later on contributing to a more stable and reliable application Rapid PrototypingBenefit In the fast paced startup environment being able to quickly prototype ideas is essential Rails facilitates this with scaffolding and other rapid development tools allowing startups to iterate on their ideas without investing in full scale development Tip Prototyping is about experimentation Embrace the agility that Rails offers but be mindful of maintaining code quality even in this exploratory phase The lessons learned during prototyping can be vital for the subsequent development stages ConclusionRuby on Rails is more than just a web development framework it s a comprehensive ecosystem that supports startups in various ways From cost savings and time efficiency to robust community support scalability and beyond Rails offers a multifaceted advantage that aligns with the dynamic needs of startups The blend of principles conventions libraries and tools that Rails provides can be a game changer for startups looking to innovate and grow By understanding and leveraging these benefits and by following the associated tips startups can carve out a pathway to success in today s competitive digital landscape For those embarking on this journey the Ruby on Rails course community stands ready to guide support and inspire further reinforcing why Ruby on Rails continues to be a preferred choice for startups around the world	2023-08-12 09:18:26
ニュース	BBC News - Home	Hawaii fires: Maui death toll climbs to 80	https://www.bbc.co.uk/news/world-us-canada-66481977?at_medium=RSS&at_campaign=KARANGA	disaster	2023-08-12 09:24:18
ニュース	BBC News - Home	One dead and several taken to hospital after migrant boat sinks in Channel	https://www.bbc.co.uk/news/uk-66484699?at_medium=RSS&at_campaign=KARANGA	authorities	2023-08-12 09:41:31
ニュース	BBC News - Home	Harry Kane joins Bayern Munich ending record-breaking Tottenham career	https://www.bbc.co.uk/sport/football/66484550?at_medium=RSS&at_campaign=KARANGA	Harry Kane joins Bayern Munich ending record breaking Tottenham careerEngland captain Harry Kane joins German champions Bayern Munich on a four year deal ending his record breaking career at Tottenham	2023-08-12 09:26:40
ニュース	BBC News - Home	Bibby Stockholm evacuation shows 'startling incompetence'	https://www.bbc.co.uk/news/uk-england-dorset-66485051?at_medium=RSS&at_campaign=KARANGA	bibby	2023-08-12 09:35:12
ニュース	BBC News - Home	Harry Kane's move from Tottenham to Bayern Munich... in 76 seconds	https://www.bbc.co.uk/news/uk-66482095?at_medium=RSS&at_campaign=KARANGA	spurs	2023-08-12 09:22:28
ニュース	BBC News - Home	Huge cardboard building pops up in Newcastle city centre	https://www.bbc.co.uk/news/uk-england-tyne-66480319?at_medium=RSS&at_campaign=KARANGA	boxes	2023-08-12 09:05:52