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Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
...er ways to convert int to string, like
char numstr[21]; // enough to hold all numbers up to 64-bits
sprintf(numstr, "%d", age);
result = name + numstr;
check this!
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Insert a string at a specific index
...
Here is a method I wrote that behaves like all other programming languages:
String.prototype.insert = function(index, string) {
if (index > 0)
{
return this.substring(0, index) + string + this.substring(index, this.length);
}
return string + this;
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...n Ruby Koans and I was struck by the following Ruby quirk that I found really unexplainable:
10 Answers
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How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
...like "1 minutes". I posted a modified version of this answer that conditionally adds the "s": stackoverflow.com/a/23259289/373655
– rob
Apr 24 '14 at 3:32
1
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How can I add a string to the end of each line in Vim?
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Is there a way to insert '' at the same column, since all lines are not of same length, so line 1 might have '' at 15th column, but line 2 has '*' at 25th column.
– Aman Jain
Jul 21 '10 at 20:41
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JSLint is suddenly reporting: Use the function form of “use strict”
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In JSLint for Visual Studio it's the option: "Allow global ES5 strict"
– Jowen
Oct 25 '13 at 15:07
10
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Random Number Between 2 Double Numbers
... the cost of creating the random number generator, and will enable you to call GetRandomNumber very frequently. Since we are initializing a new RNG with every call, if you call quick enough that the system time doesn't change between calls the RNG will get seeded with the exact same timestamp, and ...
Difference between Activity and FragmentActivity
...compatibility with older versions of Android, but other than that, there really isn't much of a difference between the two. Just make sure you change all calls to getLoaderManager() and getFragmentManager() to getSupportLoaderManager() and getSupportFragmentManager() respectively.
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Python speed testing - Time Difference - milliseconds
...e timedelta! For timing purposes always use c.total_seconds().
You can do all sorts of maths with datetime.timedelta, eg:
>>> c / 10
datetime.timedelta(0, 0, 431654)
It might be more useful to look at CPU time instead of wallclock time though ... that's operating system dependant though...
Trigger 404 in Spring-MVC controller?
...lic class SomeController {
@RequestMapping.....
public void handleCall() {
if (isFound()) {
// whatever
}
else {
throw new ResourceNotFoundException();
}
}
}
...