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Volvem už jen 180 km/h a s kamerami hlídajícími řidiče

10.4.2019
Po překvapivém oznámení Volva, že od příštího roku omezí rychlost svých vozů na 180 km/h, odhalila firma další revoluční kroky, z nichž největší zájem vyvolal systém sledující řidiče kamerami. K tématu poskytl iDNES.cz exkluzivní rozhovor Jan Ivarsson, jeden z největších expertů automobilky.Další...

OBRAZEM: Výstava obrů představuje náklaďáky, rypadla i jeřáby

9.4.2019
Tento týden probíhá v Mnichově tradiční veletrh Bauma, který patří k celosvětově nevýznamnějším výstavám strojů a vozidel pro stavebnictví a těžbu. Bauma se koná jednou za tři roky. Letos na něm vystavuje 3500 vystavovatelů z 57 zemí, pořadatelé očekávají na 600 tisíc návštěvníků. Na veletrhu...

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...

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...

After Effects se naučil odstraňovat objekty z videa. Třeba auto ze silnice

4.4.2019
After Effects od Adobe se v rámci jarní aktualizace balíku Creative Cloud naučil content-aware fill. Technika, kterou před lety proslavil Photoshop, a která se později v různé kvalitě objevila i v některých dalších fotoeditorech, umožňuje vymazat objekty ze scény dopočítáním okolní

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...

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...

Creating a Custom Element from Scratch

20.3.2019
In the last article, we got our hands dirty with Web Components by creating an HTML template that is in the document but not rendered until we need it. Next up, we’re going to continue our quest to create a custom element version of the dialog component below which currently only uses...

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...

Škoda, Alza a Rohlik startují pilotní projekt doručování zboží do kufru auta

14.3.2019
Zákazníci firem Alza.cz a Rohlik.cz si budou moci už brzy vybrané zboží objednat přímo do zavazadlového prostoru svého vozu. Škoda Auto DigiLab totiž ve spolupráci s oběma internetovými obchody vyvíjí doručovací systém, díky němuž bude kurýrovi umožněn zabezpečený přístup do zavazadlového prostoru....

Planning for Responsive Images

13.3.2019
The first time I made an image responsive, it was as simple as coding these four lines: img { max-width: 100%; height auto; /* default */ } Though that worked for me as a developer, it wasn’t the best for the audience. What happens if the the image in the src attribute is heavy? On high-end...

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....

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