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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...can be O(n^2). You have been warned.
You just need to add a new subscript function that takes a range and uses advancedBy() to walk to where you want:
import Foundation
extension String {
subscript (r: Range<Int>) -> String {
get {
let startIndex = self.startIndex...
How to edit a JavaScript alert box title?
... @Tim Presumably, it would be easier to simulate another website if your alerts didn't tell the user what URL they were originating from; disallowing this customization forces JavaScript to tell the user it isn't a legitimate message.
– Hydrothermal
...
Video auto play is not working in Safari and Chrome desktop browser
...utoplay, WITH sound on, work for youtube? It has worked that way since the site's inception.
– Xavier
Sep 28 '19 at 9:57
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Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
...d some time ago in dl.rb ( see revisions/37910 ).
On Windows the lib/ruby/site_ruby/2.0.0/readline.rb file still requires dl.rb so the warning message comes out when you require 'irb' ( because irb requires 'readline' ) or when anything else wants to require 'readline'.
You can open readline.rb wi...
Simple regular expression for a decimal with a precision of 2
...e
deci_num_checker = re.compile(r"""^[0-9]+(\.[0-9]{1,2})?$""")
valid = ["123.12", "2", "56754", "92929292929292.12", "0.21", "3.1"]
invalid = ["12.1232", "2.23332", "e666.76"]
assert len([deci_num_checker.match(x) != None for x in valid]) == len(valid)
assert [deci_num_checker.match(x) == None fo...
How to build Qt for Visual Studio 2010
... Official Instructions:
There is a page at the official wiki at the Qt website called Qt 4.8 Installing Qt for Windows, but I found it lacking important information.
References
Qt DevNet forums
Recommended flags for a minimalistic Qt build
Building Qt 4.5 with Visual C++ 2010
How to comp...
HAProxy redirecting http to https (ssl)
I'm using HAProxy for load balancing and only want my site to support https. Thus, I'd like to redirect all requests on port 80 to port 443.
...
How to change or add theme to Android Studio?
...
123
//you need to go to the File-> settings
in that choose IDE settings-> Appearance in tha...
How to throw an exception in C?
...exceptions in C. In C the errors are notified by the returned value of the function, the exit value of the process, signals to the process (Program Error Signals (GNU libc)) or the CPU hardware interruption (or other notification error form the CPU if there is)(How processor handles the case of divi...
How to show multiline text in a table cell
...er each line (see below) and it works for me.
George Benson </br>
123 Main Street </br>
New York, Ny 12344 </br>
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