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constant pointer vs pointer on a constant value [duplicate]
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char * const a;
means that the pointer is constant and immutable but the pointed data is not.
You could use const_cast(in C++) or c-style cast to cast away the constness in this case as data itself is not constant.
const char * a;
means that the pointed data cannot be writ...
nvm keeps “forgetting” node in new terminal session
... Isn't this already the job of nvm use? After $ nvm alias default 0.11.13 and $ nvm use 0.11.12, I get node --version = 0.11.12. Still, in a new session, node is gone again. In debian, I don't have this issue at all.
– frhd
Jul 5 '14 at 17:04
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Regular expression to extract text between square brackets
...ollowing regex globally:
\[(.*?)\]
Explanation:
\[ : [ is a meta char and needs to be escaped if you want to match it literally.
(.*?) : match everything in a non-greedy way and capture it.
\] : ] is a meta char and needs to be escaped if you want to match it literally.
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How to use MySQLdb with Python and Django in OSX 10.6?
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I had the same error and pip install MySQL-python solved it for me.
Alternate installs:
If you don't have pip, easy_install MySQL-python should work.
If your python is managed by a packaging system, you might have to use
that system (e.g. sudo...
How do I sort an observable collection?
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Sorting an observable and returning the same object sorted can be done using an extension method. For larger collections watch out for the number of collection changed notifications.
I have updated my code to improve performance (thanks to nawfal)...
Error in Swift class: Property not initialized at super.init call
I have two classes, Shape and Square
12 Answers
12
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How do I strip non alphanumeric characters from a string and keep spaces?
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Just to precise, this remove all accented letters and may not be adapted to some languages.
– Uelb
Nov 25 '15 at 16:25
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How do you run NUnit tests from Jenkins?
I'm looking to run automated NUnit tests for a C# application, nightly and on each commit to svn.
9 Answers
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How do I find the location of my Python site-packages directory?
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There are two types of site-packages directories, global and per user.
Global site-packages ("dist-packages") directories are listed in sys.path when you run:
python -m site
For a more concise list run getsitepackages from the site module in Python code:
python -c 'import sit...
Is there an opposite to display:none?
...whether an element is visible or not. It therefore has two states (visible and hidden), which are opposite to each other.
The display property, however, decides what layout rules an element will follow. There are several different kinds of rules for how elements will lay themselves out in CSS, so t...