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How do I update pip itself from inside my virtual environment?
...again but it's still showing the old version.
– Zitrax
Dec 2 '13 at 11:46
42
On Windows probably ...
console.log javascript [Function]
...ke [native code] since built in functions are not written in JavaScript.
Example:
function x(){}
// Prints "function x(){}"
(function(callback){ console.log(callback.toString()); })(x);
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How to validate a url in Python? (Malformed or not)
...
django url validation regex (source):
import re
regex = re.compile(
r'^(?:http|ftp)s?://' # http:// or https://
r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' #domain...
r'localhost|' #loc...
jQuery Ajax error handling, show custom exception messages
Is there some way I can show custom exception messages as an alert in my jQuery AJAX error message?
20 Answers
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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
...
Your second example does not work if you send the argument by reference. Did you mean
void copyVecFast(vec<int> original) // no reference
{
vector<int> new_;
new_.swap(original);
}
That would work, but an easier way i...
How do I find the current executable filename? [duplicate]
An executable file loads an external library.
Is there a way for the library to know the calling executable file?
7 Ans...
How to scroll to top of page with JavaScript/jQuery?
...y.scrollRestoration Browser support:
Chrome: supported (since 46)
Firefox: supported (since 46)
IE/Edge: not supported (Yet..)
Opera: supported (since 33)
Safari: supported
For IE/Edge if you want to re-scroll to the top AFTER it autoscrolls down then this worked for me:
var isIE11 = !!windo...
Authorize a non-admin developer in Xcode / Mac OS
...w Leopard I am asked to do the following when a program is run from within Xcode:
10 Answers
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How to color System.out.println output? [duplicate]
...ay not be able to color Window's cmd prompt, but it should work in many unix (or unix-like) terminals.
Also, note that some terminals simply won't support some (if any) ANSI escape sequences and, especially, 24-bit colors.
Usage
Please refer to the section Curses at the bottom for the best soluti...
JOIN queries vs multiple queries
...lly wrote about this. For the most part, though, if you have the right indexes and you properly do your JOINs it is usually going to be faster to do 1 trip than several.
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