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PHP: How to remove all non printable characters in a string?
...range, str_replace had a marginal edge.
I thought it was interesting result, so including it here. The important thing is not to take this result and use it to decide which method to use, but to benchmark against your own data and then decide.
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Why use pointers? [closed]
...void doSomethingElse(int& i) // receives i as a reference
{
cout << i << endl;
}
Using pointers:
public void doSomething()
{
int i = 10;
doSomethingElse(&i);
}
public void doSomethingElse(int* i)
{
cout << *i << endl;
}
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Easiest way to split a string on newlines in .NET?
... @Leandro: The Environment.NewLine property contains the default newline for the system. For a Windows system for example it will be "\r\n".
– Guffa
Jun 1 '12 at 16:48
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Why is “a” != “a” in C?
...ual");
}
Use the following code to compare two string values:
#include <string.h>
...
if(strcmp("a", "a") == 0)
{
// Equal
}
Additionally, "a" == "a" may indeed return true, depending on your compiler, which may combine equal strings at compile time into one to save space.
When you...
Difference between := and = operators in Go
...o a variable that has already been declared, unless you are assigning to multiple variables at once, and at least one of those variables is new.
– Kenny Bania
Aug 30 '17 at 18:36
6...
Long press gesture on UICollectionViewCell
...of) UICollectionView. I read in the documentation that it is added by default, but I can't figure out how.
8 Answers
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How do I get the first n characters of a string without checking the size or going out of bounds?
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Interesting alternative, though I can't imagine ever using it, given the more traditional approaches, that were given four years ago.
– ToolmakerSteve
Aug 20 '14 at 5:14
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Get a list of all threads currently running in Java
...
To get an iterable set:
Set<Thread> threadSet = Thread.getAllStackTraces().keySet();
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Undefined symbols for architecture armv7
...for libraries like QuartzCore since it is not included in projects by default. To resolve:
Add the correct libraries in the Link Binary With Libraries section of the Build Phases.
If you want to add a library outside of the default search path you can include the path in the Library Search Paths v...
How do I obtain the frequencies of each value in an FFT?
I have an FFT result. These are stored in two double arrays: a real part array and an imaginary part array. How do I determine the frequencies that correspond to each element in these arrays?
...