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How to generate random number in Bash?
...le this is fine in a pinch, doing arithmetic on random numbers can dramatically affect the randomness of your result. in the case of $RANDOM % 10, 8 and 9 are measurably (though marginally) less probable than 0-7, even if $RANDOM is a robust source of random data.
– dimo414
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Method Overloading for null argument
...thod that's available (see JLS §15.12.2).
Object, char[] and Integer can all take null as a valid value. Therefore all 3 version are applicable, so Java will have to find the most specific one.
Since Object is the super-type of char[], the array version is more specific than the Object-version. S...
What is a “callback” in C and how are they implemented?
...y're implemented using function pointers. Here's an example:
void populate_array(int *array, size_t arraySize, int (*getNextValue)(void))
{
for (size_t i=0; i<arraySize; i++)
array[i] = getNextValue();
}
int getNextRandomValue(void)
{
return rand();
}
int main(void)
{
int m...
Remove carriage return in Unix
What is the simplest way to remove all the carriage returns \r from a file in Unix?
20 Answers
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.NET: Simplest way to send POST with data and read response
...d reference RFC2616 (w3.org/Protocols/rfc2616/rfc2616.txt). Answers from jball and BFree follow that attempt.
– Chris Hutchinson
Nov 3 '10 at 15:30
9
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NumPy or Pandas: Keeping array type as integer while having a NaN value
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This is great! There's a small issue though that PyCharm fails to display the dataframe in the debug window if used this way. You can see my answer for another question for how to force displaying it: stackoverflow.com/questions/38956660/… (the origi...
HTTP authentication logout via PHP
...ecification (section 15.6):
Existing HTTP clients and user agents typically retain authentication
information indefinitely. HTTP/1.1. does not provide a method for a
server to direct clients to discard these cached credentials.
On the other hand, section 10.4.2 says:
If the request...
Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
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Formatting Phone Numbers in PHP
...etter in the future. The comment you reference seems to have been deleted. All is well. Happy holidays.
– Stoutie
Dec 24 '16 at 5:16
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What is the difference between “word-break: break-all” versus “word-wrap: break-word” in CSS
...pecification that talks about these seem to suggest that word-break: break-all is for requiring a particular behaviour with CJK (Chinese, Japanese, and Korean) text, whereas word-wrap: break-word is the more general, non-CJK-aware, behaviour.
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