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WPF Button with Image
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answered Apr 23 '10 at 9:15
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Xcode 4.2 - declaration of '…' will not be visible outside of this function warning
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How does cookie “Secure” flag work?
...a secure channel (typically HTTP over Transport Layer Security (TLS) [RFC2818]).
Although seemingly useful for protecting cookies from active network attackers, the Secure attribute protects only the cookie's confidentiality. An active network attacker can overwrite Secure cookies from an insec...
What happens if a Android Service is started multiple times?
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168
The Service will only run in one instance. However, everytime you start the service, the onSta...
Python memory usage of numpy arrays
... numpy as np
>>> from sys import getsizeof
>>> a = [0] * 1024
>>> b = np.array(a)
>>> getsizeof(a)
8264
>>> b.nbytes
8192
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What does the line “#!/bin/sh” mean in a UNIX shell script?
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143
It's called a shebang, and tells the parent shell which interpreter should be used to execute ...
Simple logical operators in Bash
...o test if a file exists. There are also string equality operators: "$string1" == "$string2" (beware that the right-hand side is a pattern, e.g. [[ $foo == a* ]] tests if $foo starts with a while [[ $foo == "a*" ]] tests if $foo is exactly a*), and the familiar !, && and || operators for nega...
How to use “not” in xpath?
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241
not() is a function in xpath (as opposed to an operator), so
//a[not(contains(@id, 'xx'))]
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How to customize a requirements.txt for multiple environments?
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215
You can cascade your requirements files and use the "-r" flag to tell pip to include the conten...
Reformat XML in Visual Studio 2010
...there an easy way to reformat an XML file while viewing it Visual Studio 2010. For example, if you open a generated app.config file, it might look like:
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