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The performance impact of using instanceof in Java
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Gurwinder Singh
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answered Sep 19 '08 at 16:45
SteveSteve
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What function is to replace a substring from a string in C?
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edited Jul 10 '18 at 13:15
Gaurang Tandon
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answe...
The difference between the Runnable and Callable interfaces in Java
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452
See explanation here.
The Callable interface is similar to
Runnable, in that both are des...
What does void mean in C, C++, and C#?
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15 Answers
15
Active
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GitHub: How to make a fork of public repository private?
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answered May 20 '15 at 14:17
Martin KonicekMartin Konicek
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Post-install script with Python setuptools
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akaihola
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answered Apr 27 '16 at 22:34
mertyildiranmertyildi...
Swapping two variable value without using third variable
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155
Using the xor swap algorithm
void xorSwap (int* x, int* y) {
if (x != y) { //ensure that m...
Multiple submit buttons in an HTML form
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Peter Mortensen
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answered Aug 28 '08 at 9:34
palotasbpalotasb...
What programming practice that you once liked have you since changed your mind about? [closed]
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159
votes
//Coming out of university, we were taught to ensure we always had an abun...
Is it better to return null or empty collection?
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508
Empty collection. Always.
This sucks:
if(myInstance.CollectionProperty != null)
{
foreach...