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Really Cheap Command-Line Option Parsing in Ruby
...lename, "File to process", :type => String
end
And that's it. opts is now a hash with keys :quiet, :interactive, and :filename. You can do whatever you want with it. And you get a beautiful help page, formatted to fit your screen width, automatic short argument names, type checking... everythin...
How to specify new GCC path for CMake
...hat hides the cache variable of the same name. That means your compiler is now hard-coded in your build script and you cannot give it a custom value. This will be a problem if you have multiple build environments with different compilers. You could just update your script each time you want to use a...
How to make Java honor the DNS Caching Timeout?
...
I don't know that "broken" is valid. Java (for security reasons) caches DNS entries forever, or until the JVM is restarted, whichever comes first. This (from what I can tell) was by design. The settings can be made in the java.secu...
How to resize superview to fit all subviews with autolayout?
...'s tip finally nailed it. Thanks for sharing that man. I got non-zero size now either against the sizingCell or its contentView.
– MkVal
Jan 22 '15 at 9:21
1
...
Launching an application (.EXE) from C#?
...console window?
start.WindowStyle = ProcessWindowStyle.Hidden;
start.CreateNoWindow = true;
int exitCode;
// Run the external process & wait for it to finish
using (Process proc = Process.Start(start))
{
proc.WaitForExit();
// Retrieve the app's exit code
exitCode = proc.ExitCo...
What does “#define _GNU_SOURCE” imply?
...
Of course, everyone knows the real reason to define _GNU_SOURCE is in order to get strfry and memfrob.
– user4815162342
Mar 9 '13 at 20:40
...
Why doesn't Dictionary have AddRange?
...nderlying implementation would bypass the code for duplicate checking.
So now, you have a flag that allows the AddRange to support both cases, but has an undocumented side effect (which is something that the Framework designers worked really hard to avoid).
Summary
As there is no clear, consisten...
Storing Objects in HTML5 localStorage
...ort for "num = parseFloat(localStorage.num);"
//Dates:
var date = Date.now();
localStorage.date = date;
date = new Date(parseInt(localStorage.date));
//Regular expressions:
var regex = /^No\.[\d]*$/i; //usage example: "No.42".match(regex);
localStorage.regex = regex;
var ...
What's the difference between an exclusive lock and a shared lock?
...hing while someone else is reading it, what then would they read? I don't know why you chose to pick out a "re-entrant" read-write lock specifically, but re-entrancy means that the owner of a re-entrant lock can 'lock()' it again and all subsequent lock() calls after the first one will return immedi...
Difference between size_t and std::size_t
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@Potatoswatter: Ah, I see what you mean now! I must have gotten confused by too many "allow"s in one sentence. I still think your first comment is too strong though; as you just said, ::size_t is present e.g in <stddef.h>, so you don't always need to qualify ...