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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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Need a good hex editor for Linux [closed]
...a < Peta < Exabytes)
Could open your devices on Linux, Windows or MacOSX.
Memory Usage : Currently ~10 MegaBytes while opened multiple > ~8GB files.
Could operate thru XOR encryption.
Written with C++/wxWidgets GUI libs and can be used with other OSes such as Mac OS, Windows as native appl...
No module named _sqlite3
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Thanks jammyWolf. I don't think that I "lost" the file after the first time that I ran configure, rather, that running configure with sqlite-devel already installed made all of this difference.
– Jeff Taylor
Apr 8 '15 at 16:15...
How can I use xargs to copy files that have spaces and quotes in their names?
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On OS X 10.9 grep -{z|Z} means "behave as zgrep" (decompress) and not the intended "print a zero byte after each filename". Use grep --null to achieve the latter.
– bassim
Feb 7 '14 at 11:2...
“An attempt was made to load a program with an incorrect format” even when the platforms are the sam
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If you try to run 32-bit applications on IIS 7 (and/or 64-bit OS machine), you will get the same error. So, from the IIS 7, right click on the applications' application pool and go to "advanced settings" and change "Enable 32-Bit Applications" to "TRUE".
Restart your website and it sho...
Group vs role (Any real difference?)
...ide between role and group comes from concepts of computer security (as opposed to simply resource management). Prof. Ravi Sandhu provides a seminal coverage of the semantic difference between roles and groups.
http://profsandhu.com/workshop/role-group.pdf
A group is a collection of users with a g...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...pip install mysql-python
or if not using a virtual environment (on *nix hosts):
sudo pip install mysql-python
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How can I send mail from an iPhone application
I want to send an email from my iPhone application. I have heard that the iOS SDK doesn't have an email API. I don't want to use the following code because it will exit my application:
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How do I find out what keystore my JVM is using?
...ity--> cacerts. You need to check where your JAVA_HOME is configured, possibly one of these places,
Computer--->Advanced --> Environment variables---> JAVA_HOME
Your server startup batch files.
In your import command -keystore cacerts (give full path to the above JRE here instead o...