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Which is the preferred way to concatenate a string in Python?
...b):
0.0132720470428
a.join(a):
0.114929914474
Well, append/join is marginally faster there if you are using extremely long strings (which you usually aren't, what would you have a string that's 100MB in memory?)
But the real clincher is Python 2.3. Where I won't even show you the timings, because...
Difference between var_dump,var_export & print_r
... Sal00m
2,87433 gold badges1919 silver badges3232 bronze badges
answered Feb 18 '11 at 9:16
NanneNanne
60.7k1616 gold badge...
How can I connect to MySQL in Python 3 on Windows?
...nnector
– peiman F.
Apr 4 '17 at 13:32
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show 7 more comments
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HTTP authentication logout via PHP
...ecification (section 15.6):
Existing HTTP clients and user agents typically retain authentication
information indefinitely. HTTP/1.1. does not provide a method for a
server to direct clients to discard these cached credentials.
On the other hand, section 10.4.2 says:
If the request...
Unresolved specs during Gem::Specification.reset:
...t turned out to be a missing line in the gemspec file:
$:.push File.expand_path("../lib", __FILE__)
This line is normally at the top of the file (in many of the gems I have recently been working in) and I had commented it out to see why.
...
Is there a zip-like function that pads to longest length in Python?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How to “fadeOut” & “remove” a div in jQuery?
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Is it really worth a separate file every time you want one line of JavaScript on a page? I think inline has its place.
– Casey
Jun 3 '14 at 18:35
...
How to delete images from a private docker registry?
I run a private docker registry, and I want to delete all images but the latest from a repository. I don't want to delete the entire repository, just some of the images inside it. The API docs don't mention a way to do this, but surely it's possible?
...
Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
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I always find this confusing so I made a playground where you can visually explore what the convert function does. This is done in Swift 3 and Xcode 8.1b:
import UIKit
import PlaygroundSupport
class MyViewController: UIViewController {
override func viewDidLoad() {
super.viewDidL...
.trim() in JavaScript not working in IE
...han.com/archives/faster-trim-javascript
– Daniel Vassallo
Feb 22 '10 at 0:53
92
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