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What is the most robust way to force a UIView to redraw?
...hy. the subclass in question gets passed the data and it's drawRect method now has everything it needs to render.
5 Answers...
Why does modern Perl avoid UTF-8 by default?
...ded as UTF‑8. Although once upon a time this pragma did other things, it now serves this one singular purpose alone and no other:
use utf8;
Declare that anything that opens a filehandle within this lexical scope but not elsewhere is to assume that that stream is encoded in UTF‑8 unless you tel...
class
... = 'foo' # new object, new singleton class
a.inspect # => "foo"
Now, to answer the question: class << self opens up self's singleton class, so that methods can be redefined for the current self object (which inside a class or module body is the class or module itself). Usually, this...
Use cases for the 'setdefault' dict method
...or them:
headers = parse_headers( msg ) # parse the message, get a dict
# now add all the optional headers
for headername, defaultvalue in optional_headers:
headers.setdefault( headername, defaultvalue )
share
...
How does the algorithm to color the song list in iTunes 11 work? [closed]
...
Pretty awesome solution. Now need a port from Mathematica to Objective-C, that is a hard struggle.
– loretoparisi
Dec 3 '12 at 20:29
...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...ased my lockable script boilerplate (originally available at my wiki page, nowadays available as gist). Transforming that into one-instance-per-user is trivial. Using it you can also easily write scripts for other scenarios requiring some locking or synchronization.
Here is the mentioned boilerplat...
What is the use of static constructors?
...ment;
static string urlFragment = "foo/bar";
}
Your fullUrl value is now just "http://www.example.com/" since urlFragment hadn't been initialized at the time fullUrl was being set. Not good. So, you add a static constructor to take care of the initialization:
class ScopeMonitor
{
static...
Objective-C Static Class Level variables
...the app is running, but you will save memory if you release it, so if you know you don't need it anymore, then you should release it.
– ma11hew28
Jun 12 '11 at 14:01
...
Catch an exception thrown by an async void method
... I actually mean it's straight-forward to read - whereas I know what's actually going on is really complicated - so my brain is telling me not to believe my eyes...
– Stuart
Mar 21 '11 at 21:01
...
Multiple Inheritance in PHP
...patcher that sends the Message passed using text or html backend. I don't know your code, but let me simulate it this way:
$m = new Message();
$m->type = 'text/html';
$m->from = 'John Doe <jdoe@yahoo.com>';
$m->to = 'Random Hacker <rh@gmail.com>';
$m->subject = 'Invitation e...
