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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...
How do I trap ctrl-c (SIGINT) in a C# console app
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Actually, that article recommends P/Invoke, and CancelKeyPress is mentioned only briefly in the comments. A good article is codeneverwritten.com/2006/10/…
– bzlm
Aug 21 '10 at 7:55
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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.
...
How to write logs in text file when using java.util.logging.Logger
I have a situation in which I want to write all logs created by me into a text file.
10 Answers
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What is the difference between a definition and a declaration?
...// extern can be omitted for function declarations
class foo; // no extern allowed for type declarations
A definition actually instantiates/implements this identifier. It's what the linker needs in order to link references to those entities. These are definitions corresponding to the above declara...
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
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How to limit UITableView row reordering to a section
... hitting my head over this one, and google was turning up nothing.
I eventually worked it out and thought I'd write it up here for the sake of the next person.
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ASP.NET MVC partial views: input name prefixes
...he child class (which must be stored in a subfolder of the view directory called EditorTemplates):
<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<MvcLearner.Models.TwoPart>" %>
<%= Html.LabelFor(birthday => birthday.Day) %><br />
<%= Html.EditorFor...
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...
Custom HTTP headers : naming conventions
... other words, you can keep using "X-" prefixed headers, but it's not officially recommended anymore and you may definitely not document them as if they are public standard.
Summary:
the official recommendation is to just name them sensibly without the "X-" prefix
you can keep using "X-" prefixe...