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How do I return the response from an asynchronous call?
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→ For a more general explanation of async behaviour with different examples, please see Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
→ If you already understand the problem, skip to the possible solutions below.
The probl...
Why isn't std::initializer_list a language built-in?
It seems to me that it's quite an important feature of C++11 and yet it doesn't have its own reserved keyword (or something alike).
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Difference between WAIT and BLOCKED thread states
What is the difference between thread state WAIT and thread state BLOCKED?
6 Answers
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When to use Storyboard and when to use XIBs
...project and when to use XIBs? what are the pros and cons of each and what situations do they each suit?
9 Answers
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How do I show/hide a UIBarButtonItem?
I created a toolbar in IB with several buttons. I would like to be able to hide/show one of the buttons depending on the state of the data in the main window.
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Why should the Gradle Wrapper be committed to VCS?
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Because the whole point of the gradle wrapper is to be able, without having ever installed gradle, and without even knowing how it works, where to download it from, which version, to clone the project from the VCS, to execute the gradlew script it contains, and to build the project with...
Should I put #! (shebang) in Python scripts, and what form should it take?
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The shebang line in any script determines the script's ability to be executed like a standalone executable without typing python beforehand in the terminal or when double clicking it in a file manager (when configured properly). It isn't necessary but generally put there so when some...
Performance of FOR vs FOREACH in PHP
...he context. Personally I almost never use for for array traversal. I use it for other types of iteration, but foreach is just too easy... The time difference is going to be minimal in most cases.
The big thing to watch for is:
for ($i = 0; $i < count($array); $i++) {
That's an expensive lo...
Memcached vs. Redis? [closed]
We're using a Ruby web-app with Redis server for caching. Is there a point to test Memcached instead?
17 Answers
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ScrollIntoView() causing the whole page to move
I am using ScrollIntoView() to scroll the highlighted item in a list into view. When I scroll downwards ScrollIntoView(false) works perfectly. But when I scroll upwards, ScrollIntoView(true) is causing the whole page to move a little which I think is intended.
Is there a way to avoid the whole page...