All Questions

3
answers

What is parallel programming?

I have some doubts about parallel programming: What is parallel programming? Is it a programming technique or paradigm? Is there a specific language for parallel programming? In what cases is it better to use parallel programming?
asked on 26.03.2015 / 00:05
1
answer

How to use and what is 'super' in Python classes?

How to use and what is the super in% with classes Python ?     
asked on 25.06.2014 / 17:16
1
answer

Display many elements in the DOM can affect performance?

I really like using libraries as Vue and AngularJs and my favorite implementation was Infinite Scroll (or demand-driven loading). I mean, I initially load 15 records via ajax. If the user scrolls the page, loads another 15, and s...
asked on 13.08.2018 / 20:41
3
answers

How to create a select with images in the options?

I thought I'd be able to make a simple% s in html with image, but it does not work. I'm beginning to think that this is a problem for modern browsers or HTML5. CSS select#gender option[value="Prima"] { background-image: url('../pro...
asked on 16.04.2014 / 21:21
6
answers

How to disable the scrolling of a web page?

I've been trying to disable scrolling a page. All I have found are solutions of the type: #container{ overflow: hidden; } But this just hides the scroll bar. How would I disable scrolling even with it being displayed on the screen ?...
asked on 20.02.2014 / 00:47
1
answer

What is method chaining?

In object-oriented languages, there is a concept known as method chaining or encadeamento de métodos to Portuguese.    What exactly is this?       How would you implement this technique in a PHP application?     
asked on 23.12.2015 / 07:57
2
answers

What are the main differences between Unicode, UTF, ASCII, ANSI?

What are the main differences between "encodings" and "Unicode, UTF, ASCII, ANSI?" Are all of them really encodings or are some just sub-categories of others? I do not want to know all the details of each, just a brief of each and, if poss...
asked on 05.10.2016 / 21:59
3
answers

Is there any advantage in bringing together all the icons of a site in a single image?

I see on most major sites that the icons used are grouped into just one image, which results in the download of only one file by the user. Is there any benefit in speed gains or is it just a matter of organization?     
asked on 04.04.2014 / 03:45
3
answers

What is abstraction?

Web and also here in the Stack, we sometimes talk about "abstraction" when it comes to software architecture / / p> What is this "abstraction"? Why is it important? How to get it in practice?
asked on 01.07.2014 / 17:49
1
answer

How to stylize the scroll bar?

Good, I have wasted some time looking for solutions to this but I do not find it, I have a scrollbar and liked to shrink its size. Can someone point me to a site or tell me what it takes to make this possible: Thank you     
asked on 12.06.2015 / 16:04