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C++ Returning reference to local variable
...rk because you're returning an alias (a reference) to an object with a lifetime limited to the scope of the function call. That means once func1() returns, int i dies, making the reference returned from the function worthless because it now refers to an object that doesn't exist.
int main()
{
i...
What is PECS (Producer Extends Consumer Super)?
...hing to a Collection<? extends Thing>, because you cannot know at runtime which specific subtype of Thing the collection holds.)
Case 2: You want to add things to the collection.
Then the list is a consumer, so you should use a Collection<? super Thing>.
The reasoning here is that unli...
How do I use vim registers?
...rrent line. Furthermore, we can type @@ to repeat, or 100@m to do this 100 times! Life's looking pretty good.
At this point you should be saying, "But what does this have to do with registers?"
Excellent point. Let's investigate what is in the contents of the m register by typing "mp. We then get th...
Stop all active ajax requests in jQuery
...
Every time you create an ajax request you could use a variable to store it:
var request = $.ajax({
type: 'POST',
url: 'someurl',
success: function(result){}
});
Then you can abort the request:
request.abort();
You...
What is the difference between memoization and dynamic programming?
...cesses in the dynamic-programming algorithm can be exploited to reduce the time or space requirements even further
If some subproblems in the subproblem space need not be solved at all, the memoized solution has the advantage of solving only those subproblems that are definitely required
A...
Make WPF window draggable, no matter what element is clicked
...he form from any control, you could probably use PreviewMouseDown, start a timer to begin the drag operation, and cancel the operation if the MouseUp event fires within X milliseconds.
share
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impro...
What is the difference between C, C99, ANSI C and GNU C?
..., through the standard ISO 9899.
A minor update was released in 1995, sometimes referred to as "C95". This was not a major revision, but rather a technical amendment formally named ISO/IEC 9899:1990/Amd.1:1995. The main change was introduction of wide character support.
In 1999, the C standard wen...
Problems installing the devtools package
...hing I would add is a '-y' at the end so you don't have to say 'yes'. No time for consent these days.
– wordsforthewise
Dec 12 '17 at 16:34
2
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What is the easiest way to parse an INI file in Java?
...d it didn't even build, and it wasn't a missing dependency.. not worth the time to bother with it more. Also ini4j has a lot of other crap in there we don't need, Windoze registry editing... come on. #LinuxMasterRace ...But I guess if it works for you, knock yourself out.
–...
Python strftime - date without leading 0?
When using Python strftime , is there a way to remove the first 0 of the date if it's before the 10th, ie. so 01 is 1 ? Can't find a % thingy for that?
...