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How to check whether a file is empty or not?
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How to sum up elements of a C++ vector?
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Actually there are quite a few methods.
int sum_of_elems = 0;
C++03
Classic for loop:
for(std::vector<int>::iterator it = vector.begin(); it != vector.end(); ++it)
sum_of_elems += *it;
Using a standard algorithm:
#include <numeric>
sum_of_elems = std::accu...
How to get all possible combinations of a list’s elements?
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edited Jan 21 '09 at 12:52
answered Jan 21 '09 at 11:20
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Generate list of all possible permutations of a string
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70
There are several ways to do this. Common methods use recursion, memoization, or dynamic program...
How can I add an item to a SelectList in ASP.net MVC
... insert an item at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --"
13 A...
How to get the nth occurrence in a string?
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edited Mar 30 at 14:56
mplungjan
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How to see top processes sorted by actual memory usage?
...dsarnold
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How to check if there exists a process with a given pid in Python?
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Sending signal 0 to a pid will raise an OSError exception if the pid is not running, and do nothing otherwise.
import os
def check_pid(pid):
""" Check For the existence of a unix pid. """
try:
os.kill(pid, 0)
e...
How to change an input button image using CSS?
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answered Oct 12 '08 at 16:10
ceejayozceejayoz
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TypeScript: casting HTMLElement
...var script = <HTMLScriptElement>document.getElementsByName("script")[0];
However, unfortunately you cannot do:
var script = (<HTMLScriptElement[]>document.getElementsByName(id))[0];
You get the error
Cannot convert 'NodeList' to 'HTMLScriptElement[]'
But you can do :
(<HTMLS...