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Get protocol + host name from URL
... it gives parts like 'user:pass@' and ':8080'
– starrify
Oct 21 '14 at 8:02
23
The urlparse modul...
Select 50 items from list at random to write to file
...
If the list is in random order, you can just take the first 50.
Otherwise, use
import random
random.sample(the_list, 50)
random.sample help text:
sample(self, population, k) method of random.Random instance
Chooses k...
How to correctly close a feature branch in Mercurial?
...a repository you will end up with the latest commit in the default branch. If you use bookmarks, this changeset corresponds to a random (unstable) bookmark. If you use named branches, you will get the latest commit in the stable/default branch, which is usually what you want. Bookmarks will get ther...
Finding element's position relative to the document
....
function getOffsetLeft( elem )
{
var offsetLeft = 0;
do {
if ( !isNaN( elem.offsetLeft ) )
{
offsetLeft += elem.offsetLeft;
}
} while( elem = elem.offsetParent );
return offsetLeft;
}
...
What is the PostgreSQL equivalent for ISNULL()
...g that it is coalesce that is in SQL standard, with isnull being an MS-specific function that essentially is coalesce with only two parameters.
– GSerg
Feb 6 '10 at 20:35
4
...
Invalid date format specification in gemspec
...rch "spec" files in your Ruby directory:
*C:\Ruby187\lib\ruby\gems\1.8\specifications*
If a gemspec file contains something like this:
s.date = %q{2011-10-13 00:00:00.000000000Z}
Then delete the 00:00:00.000000000Z part:
s.date = %q{2011-10-13}
After saving those gemspec files, the problem is ...
Measuring code execution time
...
A better way would be to use Stopwatch, instead of DateTime differences.
Stopwatch Class - Microsoft Docs
Provides a set of methods and properties that you can use to
accurately measure elapsed time.
Stopwatch stopwatch = Stopwatch.StartNew(); //creates and start the instance...
Using a constant NSString as the key for NSUserDefaults
...le the second is a pointer to a constant NSString object.
It is a subtle difference. The compiler warning happens because setObject:forKey: is declared as follows:
- (void)setObject:(id)value forKey:(NSString *)defaultName;
It is expecting the defaultName argument to be of type NSString *. When ...
Error while pull from git - insufficient permission for adding an object to repository database .git
... the command will work regardless of where in your repo you currently are. If you're already in the root you can just run sudo chown -R $USER:$USER .git
– dwurf
May 29 '14 at 2:31
...
How to select a radio button by default? [duplicate]
...portantly, strings like "true" or "false" don't have any special meaning.
If you don't aim for XHTML conformance, you can simplify the code to:
<input type="radio" name="imgsel" value="" checked>
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