投稿時間:2023-08-19 15:05:45 RSSフィード2023-08-19 15:00 分まとめ(7件)

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python	Pythonタグが付けられた新着投稿 - Qiita	Pythonで大量のCSVデータを高速に読み書きする	https://qiita.com/CovalentCola/items/56cd045dd71a4608dd37	読み書き	2023-08-19 14:18:14
golang	Goタグが付けられた新着投稿 - Qiita	Go(echo)で簡易的なCookieを実装してみた	https://qiita.com/T_death/items/d8d03ba0c81d12426bac	cookie	2023-08-19 15:00:01
Git	Gitタグが付けられた新着投稿 - Qiita	Github個人利用とリポジトリ非公開化について	https://qiita.com/teruteru_lay/items/5d9b3186adbfe646b191	github	2023-08-19 14:17:37
海外TECH	DEV Community	Unpacking The OSI Model	https://dev.to/stungnet/unpacking-the-osi-model-3fha	Unpacking The OSI Model IntroductionAt a cursory glance the Open Systems Interconnection OSI model can appear daunting with its myriad layers and intricate details Yet these layers ingeniously simplify what s essentially a complex dance of computer communication By segmenting the process into seven distinct layers the OSI model offers a clear roadmap for understanding how devices talk to each other In this blog post I intend to break it down so you can grasp these concepts with ease I will illustrate this through using a post office as our guiding analogy Physical Layer Infrastructure The Physical Layer is like the foundation of a house in the world of computer networking It s all about the actual stuff you can touch like wires cables and some devices This layer makes sure that when two computers want to talk they have a set way to do it no matter what kind of wire or connection they use It ensures that the message gets through in a smooth and dependable manner Meet Sam our dedicated OSI Post Office worker At Layer or the Physical Layer Sam represents the hands on tangible side of things Just as a mailbox post office and mail are physical entities in our world the Physical Layer is all about the actual hardware and cables in networking It s where the real touchable parts of communication take place Data Link Layer Sorting The Data Link Layer is like a sorting room for computer data It makes sure data goes to the right place using something called a MAC address This address is like a name tag ensuring the data reaches the right computer It also uses Ethertype to tell the computer what kind of data it s getting So when the data arrives the computer knows what to do with it In our post office story think of the Data Link Layer as the part where Sam sorts the mail The MAC address is like the name on the envelope making sure each letter goes to the right home And the Ethertype It s how Sam knows if the mail is a simple letter a bigger box or a package Just like how mail needs sorting computers use these labels to understand their data Network Layer Routing When our computer wants to send information it needs a way to make sure it gets to the right place This is where the Network Layer comes in It adds special tags to our information sort of like labels on a package in the post office These labels or tags have details like Version Is it an old or new type of label Time To Live TTL A timer that ensures our package doesn t wander around lost for too long Protocol A special rule that helps the receiver understand and open our package correctly Source and Destination IP The from and to addresses for our package With these tags our information can find its way easily to its destination Sam with his trusty route map prepares each piece of mail by adding essential labels These ensure every mail finds its right path and reaches its destination seamlessly Transport Layer Transport When data comes to the Transport Layer it s like checking the delivery method on a package If it s TCP Think of this like a careful delivery service The system checks a special label called the port number to figure out which app should get the data TCP also double checks to make sure everything arrived in the right order and nothing is missing It s thorough making sure the data delivery is just right before sending it to its final spot If it s UDP This is more like express delivery It s quick and doesn t wait around The system still checks where the data should go using that port number label but it doesn t spend time making sure everything is perfect It gets the data to its destination fast So in a nutshell TCP is the careful thorough method and UDP is the speedy one Sam stands at a sorting table with two bins labeled TCP and UDP He s intently examining labels on each package placing them in their respective bins Session Layer Connection Established The Session Layer is like a manager for a chat between two devices Here s how it works Starting the chat Establishment It sets up the chat and decides if both devices will talk back and forth two way or if one will just listen one way Keeping the chat smooth Maintenance While they talk it ensures messages are sent and received clearly and that both devices are on the same page Ending the chat Termination When they re done talking it wraps things up neatly so both devices know the conversation is over Sam s Delivery Steps First he sends a notification about the upcoming package Next we see him diligently biking making sure the package stays safe Finally the package rests on the doorstep signifying a completed delivery and termination of the session Presentation Layer Interpreter Once the packets arrive the Presentation Layer steps in to make sure our computer understands the data It changes the data into a format the system recognizes However not all data types need this change This layer s main jobs are to convert the data adjust its size and secure or unlock it if needed Application Layer The Recipient The Application Layer is where users directly interact with the data Think of it as a user s personal desk where they access websites send emails or transfer files This layer offers the right tools and ensures the data is presented in a user friendly manner Some of the key tools available on this desk are HTTP HTTPS for websites FTP for moving files SMTP for sending emails DNS for finding websites by name At the end of this journey when someone gets their data they might not think about the complicated process it took They re just happy to see what they asked for ConclusionJust like a post office guarantees each letter reaches its intended recipient the OSI model directs our digital data flawlessly to its end point By following Sam s journey we ve unraveled the layers behind our daily online activities The next time you open a website or send a text imagine Sam diligently sorting and delivering behind the scenes Remember every intricate system breaks down into simple steps and grasping these basics is the pathway to expertise Dive deep and keep exploring	2023-08-19 05:40:36
海外TECH	DEV Community	6 Tips for Effective React Pagination: Building a User-Friendly Navigation Component	https://dev.to/bilal1718/6-tips-for-effective-react-pagination-building-a-user-friendly-navigation-component-4i5h	Tips for Effective React Pagination Building a User Friendly Navigation ComponentPagination is a fundamental feature for managing large datasets in web applications In this blog post we ll explore six essential tips to create an effective React pagination component that enhances user experience and simplifies navigation Tip Smart Data HandlingEfficiently manage your data by implementing server side pagination Fetch only the necessary data for the current page to reduce load times and improve performance Tip Clear User InterfaceDesign an intuitive user interface with clear navigation controls Use familiar icons for previous and next buttons and provide numeric page links for easy navigation Tip Pagination LogicImplement pagination logic by calculating the total number of pages based on the data count and items per page Update the current page dynamically as users interact with the pagination controls Tip Styling and CustomizationStyle your pagination component to match your application s design Utilize CSS or CSS frameworks to create visually appealing and responsive pagination controls Tip Edge Case HandlingAddress edge cases such as small datasets or single page scenarios Disable unnecessary controls when they aren t applicable providing a seamless experience for users Tip Performance OptimizationOptimize performance by minimizing re renders Utilize techniques like code splitting and lazy loading to enhance the speed and efficiency of your pagination component ConclusionIncorporating these tips will help you build a user friendly React pagination component that enhances navigation improves performance and provides an overall seamless experience for users	2023-08-19 05:27:17
ニュース	BBC News - Home	The Papers: 'Ten chances' to stop Letby and 'How many more?'	https://www.bbc.co.uk/news/blogs-the-papers-66551412?at_medium=RSS&at_campaign=KARANGA	child	2023-08-19 05:26:41
海外TECH	reddit	[Post Game Thread] Angels defeated by Rays	https://www.reddit.com/r/angelsbaseball/comments/15v6r7k/post_game_thread_angels_defeated_by_rays/	Post Game Thread Angels defeated by RaysRays Angels First Pitch PM at Angel Stadium Team Starter TV Radio Rays Erasmo Ramirez ERA BSSUN WDAE WQBN ES Angels Tyler Anderson ERA BSW KLAA KWKW ES Game Preview r angelsbaseball Discord Reddit Stream for this post Line Score Game Over R H E LOB TB LAA Box Score LAA AB R H RBI BB SO BA B Schanuel DH Ohtani B Drury B Moustakas C O Hoppe CF Moniak RF Renfroe SS Rengifo SS Velazquez A LF Grichuk LAA IP H R ER BB SO P S ERA Anderson Soriano J Leone López R Moore Estévez Loup TB AB R H RBI BB SO BA B Díaz Y LF Arozarena DH Ramírez H DH Siri B Paredes CF Raley L B Mead SS Basabe RF Lowe J C Pinto R TB IP H R ER BB SO P S ERA Ramírez E Armstrong Poche Adam Stephenson R Fairbanks Kittredge Scoring Plays Inning Event Score T Isaac Paredes doubles on a sharp line drive to left fielder Randal Grichuk Harold Ramirez scores Isaac Paredes to rd Isaac Paredes advances to rd on a missed catch error by shortstop Luis Rengifo B Mike Moustakas doubles on a sharp line drive to left fielder Randy Arozarena Shohei Ohtani scores B Shohei Ohtani hits a grand slam to right field Hunter Renfroe scores Luis Rengifo scores Nolan Schanuel scores T Josh Lowe doubles on a line drive to left fielder Randal Grichuk Curtis Mead scores Osleivis Basabe scores T Rene Pinto singles on a line drive to right fielder Hunter Renfroe Josh Lowe scores T Harold Ramirez doubles on a ground ball to left fielder Randal Grichuk Randy Arozarena scores T Harold Ramirez singles on a ground ball to center fielder Mickey Moniak Yandy Diaz scores B Brandon Drury doubles on a sharp line drive to center fielder Luke Raley Nolan Schanuel scores T Luke Raley singles on a ground ball to right fielder Hunter Renfroe Jose Siri scores Isaac Paredes to rd T Josh Lowe singles on a line drive to center fielder Mickey Moniak Isaac Paredes scores Luke Raley to rd T Rene Pinto singles on a sharp line drive to right fielder Hunter Renfroe Luke Raley scores Josh Lowe to nd Highlights Description Length Video Bullpen availability for Tampa Bay August vs Angels Video Bullpen availability for Los Angeles August vs Rays Video Fielding alignment for Los Angeles August vs Rays Video Measuring the stats on Shohei Ohtani s home run Video Breaking down Tyler Anderson s pitches Video Isaac Paredes rips an RBI double to left field Video Mike Moustakas laces an RBI double to left center Video First round pick Nolan Schanuel makes his MLB debut Video Nolan Schanuel turns an unassisted double play Video Shohei Ohtani crushes a grand slam to right field Video Osleivis Basabe singles after a review in the nd Video Josh Lowe lines a two run double to left field Video RenéPinto bloops an RBI single to right field Video Shoehi Ohtani launches a grand slam Creator Cuts Video Harold Ramírez ties it with an RBI double in the th Video Harold Ramírez slaps an RBI single to center field Video Nolan Schanuel s parents discuss Nolan s MLB debut Video Nolan Schanuel picks up his first big league hit Video Brandon Drury ties the game with an RBI double in th Video Harold Ramirez grounds into a triple play shortstop Luis Rengifo to second baseman Brandon Drury to first baseman Nolan Schanuel to catcher Logan O Hoppe Yandy Diaz out at home Randy Arozarena out at nd Harold Ramirez out at st Video Angels turn a miraculous double play in th Video Luke Raley brings in go ahead run with single in th Video Andrew Velazquez safe at second after review in th Video Josh Lowe tacks on insurance with RBI single in th Video Angels triple play is confirmed after review in th Video RenéPinto hits his second RBI single in the th Video Mickey Moniak lines out to center fielder Luke Raley Video Decisions Winning Pitcher Losing Pitcher Save Fairbanks ERA Estévez ERA Kittredge SV ERA Game ended at PM submitted by u angelsbaseball to r angelsbaseball link comments	2023-08-19 05:00:38