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Execution time of C program
...t which is declared in <time.h>. To get the CPU time used by a task within a C application, use:
clock_t begin = clock();
/* here, do your time-consuming job */
clock_t end = clock();
double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
Note that this returns the time as a floating...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
It seems to me like the files run the same without that line.
21 Answers
21
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Captured variable in a loop in C#
...
actions.Add(() => copy * 2);
++ variable;
}
You can think of it as if the C# compiler creates a "new" local variable every time it hits the variable declaration. In fact it'll create appropriate new closure objects, and it gets complicated (in terms of implementation) if you refer to v...
Filter by property
Is it possible to filter a Django queryset by model property?
8 Answers
8
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How to convert string to char array in C++?
...ow how to convert string to char* (by using malloc or the way I posted it in my code) - but that's not what I want. I simply want to convert string to char[size] array. Is it possible?
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What is an MvcHtmlString and when should I use it?
... <%: %>. Essentially, <%: foo %> translates to <%= HttpUtility.HtmlEncode(foo) %>. The team is trying to get developers to use <%: %> instead of <%= %> wherever possible to prevent XSS.
However, this introduces the problem that if a code nugget already encodes its re...
How do I count the number of occurrences of a char in a String?
...or this is:
int count = StringUtils.countMatches("a.b.c.d", ".");
Why write it yourself when it's already in commons lang?
Spring Framework's oneliner for this is:
int occurance = StringUtils.countOccurrencesOf("a.b.c.d", ".");
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How to tell git to use the correct identity (name and email) for a given project?
...personal projects and I would like to use my work email address for my commits at work (gitolite) and my personal email address for the rest (github).
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How can I get my webapp's base URL in ASP.NET MVC?
...that doesn't involve getting the current URL from the request and chopping it up in some fragile way that breaks if I re-route my action.
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How to detect Adblock on my website?
...to be able to detect if the user is using adblocking software when they visit my website. If they are using it, I want to display a message asking them to turn it off in order to support the project, like this website does.
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