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Python creating a dictionary of lists
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You can use defaultdict:
>>> from collections import defaultdict
>>> d = defaultdict(list)
>>> a = ['1', '2']
>>> for i in a:
... for j in range(int(i), int(i) + 2):
... d[j].append(i)
...
>>> d
defaultdict(<t...
Trying to git pull with error: cannot open .git/FETCH_HEAD: Permission denied
...ery common problem .. ok if you work with different user and and something from another user you have changed your permissions its a bit tricky.
– René Höhle
Apr 8 '15 at 7:53
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Stash changes while keeping the changes in the working directory in Git
... everything, but it will leave the files staged in your working directory.
From the official Linux Kernel Git documentation for git stash or from git-scm:
If the --keep-index option is used, all changes already added to the index are left intact.
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change cursor to finger pointer
...elsewhere in your CSS, or there's no href attribute in there (it's missing from your example).
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Java Generate Random Number Between Two Given Values [duplicate]
...ave tried that but it does not seem to work. I am using the random numbers from 0 to 100 (inclusive) to populate a multidimensional array; when trying this it populates the array with extremely large and extremely small numbers. For example, -3.76556749E8 3.0207573E8 2.033182079E9 -6.86227134E8.
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What are the differences between .gitignore and .gitkeep?
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From your link: Since the git ignore file is already in the repo it is not necessary to not-ignore it - it is already tracked. ------ If it is not, and you do not do a forceful add, you might forget about it. In trivial cases...
Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cor
...anagers, the problem can simply be fixed by downloading the binary release from the apache ANT web site and adding the binary to your system PATH.
For example, on Mountain Lion, in ~/.bash_profile and ~/.bashrc my path was setup like this:
export ANT_HOME="/usr/share/ant"
export PATH=$PATH:$ANT_...
How is performance affected by an unused using directive?
...ve unused references explains how it be useful to remove unused references from the application.
Below are the some excerpts from the link:
By removing any unused references in your application, you are
preventing the CLR from loading the unused referenced modules at
runtime. Which means that you...
Automatically plot different colored lines
...ot will rotate (automatically for you) through MATLAB's default colormap.
From the MATLAB site on hold:
hold all holds the plot and the current line color and line style so that subsequent plotting commands do not reset the ColorOrder and LineStyleOrder property values to the beginning of the l...
What is a sealed trait?
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From the daily-scala blog:
When a trait is "sealed" all of its subclasses are declared within the
same file and that makes the set of subclasses finite which allows
certain compiler checks.
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