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Get average color of image via Javascript
...ld return the average hex or rgb value for an image. I know it can be done in AS but looking to do it in JavaScript.
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Using sed to mass rename files
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First, I should say that the easiest way to do this is to use the
prename or rename commands.
On Ubuntu, OSX (Homebrew package rename, MacPorts package p5-file-rename), or other systems with perl rename (prename):
rename s/0000/000/ F0000*
or on systems with rename...
Importing from a relative path in Python
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Python 2.6 and 3.x supports proper relative imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '..' means, go to the directory above me:
from ..Common import Common
As a caveat, this will only wor...
Push local Git repo to new remote including all branches and tags
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To push all your tags:
git push REMOTE --tags
Finally, I think you can do this all in one command with:
git push REMOTE --mirror
However, in addition --mirror, will also push your remotes, so this might not be exactly what you want.
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How do I tar a directory of files and folders without including the directory itself?
I typically do:
17 Answers
17
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How can I recover the return value of a function passed to multiprocessing.Process?
... to recover the return value of the function worker . How can I go about doing this? Where is this value stored?
12 Answ...
Using vagrant to run virtual machines with desktop environment
...M and uncomment these lines in Vagrantfile:
config.vm.provider :virtualbox do |vb|
vb.gui = true
end
Boot the VM and observe the new display window. Now you just need to install and start xfce4. Use vagrant ssh and:
sudo apt-get install xfce4
sudo startxfce4&
If this is the first time you'r...
How do I get the path of the Python script I am running in? [duplicate]
How do I get the path of a the Python script I am running in? I was doing dirname(sys.argv[0]) , however on Mac I only get the filename - not the full path as I do on Windows.
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Setup RSpec to test a gem (not Rails)
...up
require 'your_gem_name' # and any other gems you need
RSpec.configure do |config|
# some (optional) config here
end
The first two lines tell Bundler to load only the gems inside your gemspec. When you install your own gem on your own machine, this will force your specs to use your current c...
In what cases do I use malloc and/or new?
...d never use malloc. Always use new.
If you need a big chunk of data just do something like:
char *pBuffer = new char[1024];
Be careful though this is not correct:
//This is incorrect - may delete only one element, may corrupt the heap, or worse...
delete pBuffer;
Instead you should do this w...