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How can I center an absolutely positioned element in a div?
... Not very useful for responsive design, but it worked for me until I started doing responsive designs. This is a valid answer for centering absolutely positioned known width elements.
– Sean Kendle
Mar 19 '14 at 20:30
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Add all files to a commit except a single file?
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1) To start ignoring changes to a single already versioned file
git update-index --assume-unchanged "main/dontcheckmein.txt"
and to undo that git update-index --no-assume-unchanged "main/dontcheckmein.txt"
github docs to ignore...
How do I configure PyCharm to run py.test tests?
I want to start writing unit tests for my Python code, and the py.test framework sounds like a better bet than Python's bundled unittest . So I added a "tests" directory to my project, and added test_sample.py to it. Now I want to configure PyCharm to run all the tests in my "tests" directory.
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What is the 'pythonic' equivalent to the 'fold' function from functional programming?
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Starting Python 3.8, and the introduction of assignment expressions (PEP 572) (:= operator), which gives the possibility to name the result of an expression, we can use a list comprehension to replicate what other languages c...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...ependent of the plaintext, different pseudo random streams are obtained by starting with a different nonce or random IV for every message, neither encryption nor decryption is parallelizable, as with CTR using nonces message encryption is possible without per message randomness, as with CTR transmis...
Event listener for when element becomes visible?
... more info.
Simple code example for observing display:none switching:
// Start observing visbility of element. On change, the
// the callback is called with Boolean visibility as
// argument:
respondToVisibility(element, callback) {
var options = {
root: document.documentElement
}
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How to shrink the .git folder
...ed the objects I didn't need. (I dont' know enough about git internals to start fooling around like that).
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View differences of branches with meld?
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Starting with git v1.7.11, you can use git difftool --dir-diff to perform a directory diff. Which works quite well with meld wihout https://github.com/wmanley/git-meld scripts.
Configure git
git config --global diff.tool me...
What's wrong with this 1988 C code?
...How do I see a C/C++ source file after preprocessing in Visual Studio?. It starts with vc++, but also has gcc options mentioned down below.
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Renaming a branch in GitHub
...e old after.
Create a branch
In your repository’s branch selector, just start typing a new branch
name. It’ll give you the option to create a new branch:
It’ll branch off of your current context. For example, if you’re on
the bugfix branch, it’ll create a new branch from bugfix instead o...