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Programátoři všech jazyků, přijďte na Jobs Dev 2019
10.4.2019
Již potřetí můžete bez větší námahy nakouknout přímo do programátorských týmů velkých firem. V sobotu 18. května se koná další veletrh práce pro programátory Jobs Dev 2019 spolu konferencí. Prezentovat se zde budou firmy skrze své vlastní programátory. Během jediného dne se tak dozvíte...
How to Reverse a Video
9.4.2019
One of my favorite media utilities is ffmpeg. This command line utility allows us to do some pretty amazing stuff like; Slice videos Convert video formats Modify video speed Combine audio and video Every once in a while I see a meme or funny video that reverses a video for effect. Since ffmpeg does...
Native Lazy Loading
9.4.2019
IntersectionObserver has made lazy loading a lot easier and more efficient than it used to be, but to do it really right you still gotta remove the src and such, which is cumbersome. It's definitely not as easy as:
<img src="celebration.jpg" loading="lazy" alt="..." />
Addy Osmani says...
AI-Based Video Preview from Cloudinary (Sponsored)
8.4.2019
The early days of video on the web weren’t great. We started with custom browser plugins and codecs, then moved to Flash, and eventually we found our way HTML <video>. Once we solved the technology problem, we started using more video for content and advertising. The next problem...
Awesome Automation and Integration with Buddy
2.4.2019
One of my favorite services for years has been IFTTT (If this then that). Having a service that allows me to trigger a host of functionalities with one simple action is amazing! Posting a picture to Instagram can trigger IFTTT to send a tweet, post to Facebook, email to friends, etc. I’ve...
DNSSEC – bezpečnost uživatelů při návštěvě vaší domény
28.3.2019
Chcete mít vlastní doménu a nechcete vystavit své uživatele zneužití jejich osobních a dalších údajů? Kvalitní doména disponuje kvalitním zabezpečením DNSSEC
Set Branch Alias with Git
28.3.2019
Version control systems can be difficult to use, especially when you don’t use a UI app. Just think about main branch or revision names: svn uses “trunk”, git uses “master”, and mercurial (hg) uses “tip”. I need to switch between mercurial and...
Free Programming Courses from Harvard, MIT, Microsoft and more (Sponsored)
26.3.2019
Did you know that you can learn programming online from institutions like Harvard, MIT and Microsoft on edX.org? The nonprofit site offers 2000 online courses from 140 institutions worldwide. Courses are free to try. EdX has over 200 courses from Microsoft alone, including an 11 course program...
Build a Decentralized Web Chat in 15 Minutes
25.3.2019
In this 15 minute tutorial we’re going to build a simple decentralized chat application which runs entirely in a web browser. All you will need is a text editor, a web browser, and a basic knowledge of how to save HTML files and open them in the browser. We’re going...
Set Commit Author with git or hg
24.3.2019
Knowing who authored a code patch is a sacred and important practice in the world of software engineering. Knowing the author gives the reviewer an idea of trust level, know who to ask questions about the patch, and gives credit to the genius of an important fix. There have been times when...
Úloha od krabice ke krabici z kroužku programování pro děti
21.3.2019
Do kroužků programování doporučuji roboty Meet Edison. A jaké úlohy s nimi lze dělat? Ukážu vám opravdu jednoduchou úlohu, kterou děti zvládnou samostatně
Adding Search to Your Site with JavaScript
20.3.2019
Static website generators like Gatsby and Jekyll are popular because they allow the creation of complex, templated pages that can be hosted anywhere. But the awesome simplicity of website generators is also limiting. Search is particularly hard. How do you allow users to search when you have...
I Don’t Hate Arrow Functions
19.3.2019
TL;DR Arrow functions are fine for certain usages, but they have so many variations that they need to be carefully controlled to not break down the readability of the code. While arrow functions clearly have a ubiquitous community consensus (though not unanimous support!), it turns...
Write Your First Service Worker in 5 Minutes
18.3.2019
What is a service worker? A service worker is a little file that will allow you to cache files and other assets on a user’s machine. How is this different from server-side caching? Because the assets are stored on a user’s machine, rather than a server, there is no need to go across...
How to Set Commit Author
13.3.2019
I’ve worn dozens of hats on a dozen different teams during my time at Mozilla, but none has been as rewarding and challenging as community management. Whether it’s mentoring students, welcoming new contributors, or reviewing pull requests, there’s always so much to be done....
Jaké potřebuji zadání?
13.3.2019
Možná řešíte stejný problém. (Možná ne.) Jaké zadání potřebuji dostat? Co by mělo splňovat takové ideální správné zadání? Pojďme se na to podívat
Spoják #9 – #10: CSS slibuje matematiku. Promise.any slíbí cokoliv.
11.3.2019
Heslovitě: Git 2.21. Go 1.12. Flutter 1.2. Promise.any([...]). Matematika v CSS. Win10 Sandbox. Package Diff. Play.js. Flexbox vs grid. Standard C++20. Sparksoniq. GHIDRA
IT konferencia CodeCon 2019
8.3.2019
V utorok 02.04. 2019 od 08:00 sa v Bratislave uskutoční IT vývojárska konferencia CodeCon 2019, ktorá sa bude konať v duchu od vývojárov pre vývojárov. Na konferencii sa stretnú programátori z celého Slovenska a Česka
Get File MIME Type from Command Line
28.2.2019
I’ve gotten skilled at shell scripting over the years. I love a good GUI but knowing how to automate makes you a much more powerful engineer. Much of my scripting requires recursing over directories and processing a file if it meets a given criteria, which is often file extension or MIME...
HTTP požadavky a odpovědi v Nette
28.2.2019
Jaké jsou základní možnosti práce s HTTP protokolem v Nette Frameworku? Podíváme se detailněji na rozhraní IResponse. A na chvíli se zastavíme u cachování