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In c++ what does a tilde “~” before a function name signify?
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It's the destructor, it destroys the instance, frees up memory, etc. etc.
Here's a description from ibm.com:
Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is ...
Single quotes vs. double quotes in C or C++
When should I use single quotes and double quotes in C or C++ programming?
12 Answers
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How do I check if a number is positive or negative in C#?
How do I check if a number is positive or negative in C#?
17 Answers
17
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Is 23,148,855,308,184,500 a magic number, or sheer chance?
News reports such as this one indicate that the above number may have arisen as a programming bug.
7 Answers
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Escaping regex string
I want to use input from a user as a regex pattern for a search over some text. It works, but how I can handle cases where user puts characters that have meaning in regex?
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Is $(document).ready necessary?
...ocument).ready necessary?
no
if you've placed all your scripts right before the </body> closing tag, you've done the exact same thing.
Additionally, if the script doesn't need to access the DOM, it won't matter where it's loaded beyond possible dependencies on other scripts.
For many CMS'...
How do Python functions handle the types of the parameters that you pass in?
Unless I'm mistaken, creating a function in Python works like this:
13 Answers
13
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Extract first item of each sublist
...st = [['a','b','c'], [1,2,3], ['x','y','z']]
>>> lst2 = [item[0] for item in lst]
>>> lst2
['a', 1, 'x']
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Difference between adjustResize and adjustPan in android?
...ifference between them and when to use each component? Which one(adjustPan or adjustResize) is good for resizing UI?
5 Ans...
Is System.nanoTime() completely useless?
...e time actually did. That was a long time ago! leventov's answer offers a more up-to-date perspective.
That post is wrong, and nanoTime is safe. There's a comment on the post which links to a blog post by David Holmes, a realtime and concurrency guy at Sun. It says:
System.nanoTime() is impleme...