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Is it possible to install another version of Python to Virtualenv?
...get http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tgz
$ wget https://raw.github.com/pypa/virtualenv/master/virtualenv.py
Extract and install Python-2.7.3 into the pyenv dir. make clean is optional if you are doing this a 2nd, 3rd, Nth time...
$ tar -xzvf Python-2.7.3.tgz
$ cd Python-2.7.3
$ ...
Import regular CSS file in SCSS file?
...To cut the long story short, the syntax in next:
to import (include) the raw CSS-file the syntax is without .css extension at the end (results in actual read of partial s[ac]ss|css and include of it inline to SCSS/SASS):
@import "path/to/file";
to import the CSS-file in a traditional way syntax g...
What is the relative performance difference of if/else versus switch statement in Java?
...s which gives a much more performance gain than only (micro)optimizing the raw Java code.
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Difference between \n and \r?
...mode terminals (typically emulating even-older printing ones as above), in raw mode, \r and \n act similarly (except both in terms of the cursor, as there is no carriage or roller;-)
In practice, in the modern context of writing to a text file, you should always use \n (the underlying runtime will...
Why does Python code use len() function instead of a length method?
...ike x*(a+b) into xa + xb to the clumsiness of doing the same thing using a raw OO notation.
(b) When I read code that says len(x) I know that it is asking for the length of something. This tells me two things: the result is an integer, and the argument is some kind of container. To the contrary, whe...
Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]
...d all the bcrypt hashed passwords to the new hashes? Wouldnt they need the raw passwords to hash it using the new algorithm?
– Dharmendar Kumar 'DK'
Jan 6 '14 at 22:44
8
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Easy way to test a URL for 404 in PHP?
...
I found this answer here:
if(($twitter_XML_raw=file_get_contents($timeline))==false){
// Retrieve HTTP status code
list($version,$status_code,$msg) = explode(' ',$http_response_header[0], 3);
// Check the HTTP Status code
switch($status_code) {
...
How to create a trie in Python
... may take up to 50x-100x less memory than
in a standard Python dict; the raw lookup speed is comparable; trie
also provides fast advanced methods like prefix search.
Based on marisa-trie C++ library.
Here's a blog post from a company using marisa trie successfully:
https://www.repustate.c...
Check if object is file-like in Python
...tIOBase)
isinstance(something, io.BufferedIOBase)
isinstance(something, io.RawIOBase)
isinstance(something, io.IOBase)
For 2.x, "file-like object" is too vague a thing to check for, but the documentation for whatever function(s) you're dealing with will hopefully tell you what they actually need; ...
How do I install cygwin components from the command line?
...above
steps and then use Cygwin Bash for the following steps
wget https://raw.githubusercontent.com/transcode-open/apt-cyg/master/apt-cyg
chmod +x apt-cyg
mv apt-cyg /usr/local/bin
Now that apt-cyg is installed. Here are few examples of
installing some packages
apt-cyg install nano
apt-cyg insta...