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Why does the C preprocessor interpret the word “linux” as the constant “1”?
...le names like unix and assumed that programmers would simply avoid using those names for their own purposes.
The 1989 ANSI C standard introduced rules restricting what symbols an implementation could legally predefine. A macro predefined by the compiler could only have a name starting with two unde...
How to set environment variables in Jenkins?
...step and set "Properties File Path" to propsfile.
Note: This plugin is (mostly) not compatible with the Pipeline plugin.
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Kill a Process by Looking up the Port being used by it from a .BAT
... /PID %%P
Note that you might need to change this slightly for different OS's. For example, on Windows 7 you might need tokens=5 instead of tokens=4.
How this works
FOR /F ... %variable IN ('command') DO otherCommand %variable...
This lets you execute command, and loop over its output. Each ...
How to change the background color of the options menu?
...s yet to provide a satisfactory, supported solution.
There are a lot of crossed intentions and misunderstandings floating around posts on this topic, so please read this whole answer before responding.
Below I include a more "refined" and well-commented version of the hack from other answers on th...
How do I create a Bash alias?
I'm on OSX and I need to put something like this, alias blah="/usr/bin/blah" in a config file but I don't know where the config file is.
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Random number from a range in a Bash Script
...it on Ubuntu systems in the last couple years but not the current RHEL/CentOS.
– Cascabel
Mar 31 '10 at 20:37
5
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dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related
... Thank you, I uninstalled and re-installed homebrew completely but retrospect I think this would have been a better option.
– user3458861
Mar 26 '14 at 9:03
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“Parse Error : There is a problem parsing the package” while installing Android application
...something to do with your code.
I hope that gets you somewhere.
Cheers,
Joseph
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How can I define colors as variables in CSS?
...lient could ask for changes to the color scheme, and was wondering: is it possible to assign colors to variables, so that I can just change a variable to have the new color applied to all elements that use it?
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Why do we need the “finally” clause in Python?
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You can use finally to make sure files or resources are closed or released regardless of whether an exception occurs, even if you don't catch the exception. (Or if you don't catch that specific exception.)
myfile = open("test.txt", "w")
try:
myfile.write("the Answer is: ")
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