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Modulo operator with negative values [duplicate]
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From ISO14882:2011(e) 5.6-4:
The binary / operator yields the quotient, and the binary % operator
yields the remainder from the division of the first expression by the
second. If the second operand of / or % is zero the behavior is
undefined. For integral operands th...
What is the advantage of using abstract classes instead of traits?
...he advantage of using an abstract class instead of a trait (apart from performance)? It seems like abstract classes can be replaced by traits in most cases.
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Is there a way to make git pull automatically update submodules?
Is there a way to automatically have git submodule update (or preferably git submodule update --init called whenever git pull is done?
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Regex for password must contain at least eight characters, at least one number and both lower and up
... edited Sep 14 '18 at 10:41
Wiktor Stribiżew
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answered Jan 30 '14 at 12:44
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Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
I found this in one of my libraries this morning:
7 Answers
7
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Java: when to use static methods
...ic methods? Say if I have a class with a few getters and setters, a method or two, and I want those methods only to be invokable on an instance object of the class. Does this mean I should use a static method?
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Get current domain
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Try using this: $_SERVER['SERVER_NAME']
Or parse
$_SERVER['REQUEST_URI']
apache_request_headers()
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Remove an element from a Bash array
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The following works as you would like in bash and zsh:
$ array=(pluto pippo)
$ delete=pluto
$ echo ${array[@]/$delete}
pippo
$ array=( "${array[@]/$delete}" ) #Quotes when working with strings
If need to delete more than one element:
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Confused by python file mode “w+”
...t you write after this point
f.write('somedata\n')
f.seek(0) # Important: return to the top of the file before reading, otherwise you'll just read an empty string
data = f.read() # Returns 'somedata\n'
Note the f.seek(0) -- if you forget this, the f.read() call will try to read from t...
What is the behavior of integer division?
For example,
6 Answers
6
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