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C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
...);
sleep(5); // sleep 5s
std::clock_t b = std::clock();
std::cout << "difference: " << (b - a) << std::endl;
return 0;
}
It outputs on my system
$ difference: 0
Because all we did was sleeping and not using any CPU time! However, using gettimeofday we get what...
Member initialization while using delegated constructor
I've started trying out the C++11 standard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this:
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How to Execute a Python File in Notepad ++?
...ks to Reshure for his answer that got me on the right track to figure this out.
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How can one print a size_t variable portably using the printf family?
...ply to this comment)
...and of course, if you're using C++, you can use cout instead as suggested by AraK.
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Is “else if” a single keyword?
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You could deduce this without the standard? In ASM its: jeq (if | else if), jne (if | else if), jmp (else). Based on that, I'd have said it was a single keyword.. probably not syntactically but instruction-wise.
– Brandon
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Git blame — prior commits?
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Can you get a complete history, without having to re-enter the command several times with different hashes?
– Anders Zommarin
Feb 23 '11 at 22:59
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How to know if two arrays have the same values
...res values.
A solution to your third question
You also asked how to find out which things in arr1 are not contained in arr2.
This will do it (ES2015):
const arr1 = [1, 2, 3, 4];
const arr2 = [3, 2, 1];
arr1.filter(arr1Item => !arr2.includes(arr1Item)); // `[4]`
You could also use Underscor...
How to prevent the activity from loading twice on pressing the button
... long processing after starting new activity.. That's why the screen turns out black. Now if you want to avoid that black screen, you should show a progress dialog at the start of activity and do the long processing in a separate thread (i.e. UI Thread or Simply use async class). Once your processin...
Can I use CASE statement in a JOIN condition?
...as you are doing.. Check the
query above that have no error. I have take out the common column up
and the right column value will be evaluated on condition.
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What is trunk, branch and tag in Subversion? [duplicate]
...of development created to make larger, experimental or disrupting work without annoying users of the trunk version. Also, branches can be used to create development lines for multiple versions of the same product, like having a place to backport bugfixes into a stable release.
Finally, tags are mar...