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How to install multiple python packages at once using pip
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For installing multiple packages on the command line, just pass them as a space-delimited list, e.g.:
pip install wsgiref boto
For installing from a text file, then, from pip install --help:
-r FILENAME, --requirement=FILENAME
Install all the packages listed in t...
What are the differences between Clojure, Scheme/Racket and Common Lisp?
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They all have a lot in common:
Dynamic languages
Strongly typed
Compiled
Lisp-style syntax, i.e. code is written as a Lisp data structures (forms) with the most common pattern being function calls like: (function-name arg1 arg2)
Powerful macro sy...
When to use nested classes and classes nested in modules?
...the only use of classes nested inside of modules, it is generally the most common.
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Python Unicode Encode Error
...p;#1972;'
You might want to read this article: http://www.joelonsoftware.com/articles/Unicode.html, which I found very useful as a basic tutorial on what's going on. After the read, you'll stop feeling like you're just guessing what commands to use (or at least that happened to me).
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How do I sort unicode strings alphabetically in Python?
Python sorts by byte value by default, which means é comes after z and other equally funny things. What is the best way to sort alphabetically in Python?
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Can I use mstest.exe without installing Visual Studio?
...(515MB)
This installs everything needed for running mstest.exe from the command line and is much lighter weight than visual studio. ~500mb download and around ~300mb to install just the test agent if I remember correctly.
UPDATE
For versions older than VS 2017, look here:
https://www.visualstu...
Getting URL hash location, and using it in jQuery
...attacks. For more detail, see the discussion of the possible attack in the comments on this answer or this explanation on Security Stack Exchange.
You can use the location.hash property to grab the hash of the current page:
var hash = window.location.hash;
$('ul'+hash+':first').show();
Note tha...
How to make a class conform to a protocol in Swift?
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Am I the only one who thinks a compile warning was sufficient?
– Magoo
Oct 28 '15 at 9:27
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Replace one character with another in Bash
... While this solution is good when dealing with short strings (the common case, I guess) one may prefer tr for long strings. On my system tr outperforms bash starting at strings with more than 1000 characters. It seems like bash's time complexity is worse than linear. A small test: x="$(tr -...
Python Matplotlib figure title overlaps axes label when using twiny
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