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How to Rotate a UIImage 90 degrees?
... you may call UIGraphicsGetCurrentContext function from any thread of your app.
– bentford
Aug 27 '13 at 17:51
3
...
Render HTML to PDF in Django site
...need to install the following modules: xhtml2pdf, html5lib, pypdf with easy_install.
Here is an usage example:
First define this function:
import cStringIO as StringIO
from xhtml2pdf import pisa
from django.template.loader import get_template
from django.template import Context
from django.http i...
PDO Prepared Inserts multiple rows in single query
...
$pdo->beginTransaction(); // also helps speed up your inserts.
$insert_values = array();
foreach($data as $d){
$question_marks[] = '(' . placeholders('?', sizeof($d)) . ')';
$insert_values = array_merge($insert_values, array_values($d));
}
$sql = "INSERT INTO table (" . implode(",", $...
How can I strip all punctuation from a string in JavaScript using regex?
...citly remove exactly what you want like
replace(/[.,\/#!$%\^&\*;:{}=\-_`~()]/g,"")
Doing the above still doesn't return the string as you have specified it. If you want to remove any extra spaces that were left over from removing crazy punctuation, then you are going to want to do something l...
How Drupal works? [closed]
...h hands off the content to Drupal's theming/skinning system. There, it's wrapped in sidebars/headers/widgets/etc..
The rendered page is then handed back to apache and it gets sent back to the user's browser.
During that entire process, Drupal and third-party plugin modules are firing off events, a...
Scala: What is a TypeTag and how do I use it?
...ss Foo
class Bar extends Foo
def meth[A](xs: List[A]) = xs match {
case _: List[String] => "list of strings"
case _: List[Foo] => "list of foos"
}
we will get warnings:
<console>:23: warning: non-variable type argument String in type pattern List[String]↩
is unchecked since it ...
JavaScript Regular Expression Email Validation [duplicate]
...ernatively, define it as a regular expression:
var pattern = /^\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,3}$/;
BTW, please don't validate email addresses on the client-side. Your regular expression is way too simple to pass for a solid implementation anyway.
See the real thing here: http://www.ex-parrot.co...
Implementing INotifyPropertyChanged - does a better way exist?
Microsoft should have implemented something snappy for INotifyPropertyChanged , like in the automatic properties, just specify {get; set; notify;}
I think it makes a lot of sense to do it. Or are there any complications to do it?
...
What __init__ and self do on Python?
...
In this code:
class A(object):
def __init__(self):
self.x = 'Hello'
def method_a(self, foo):
print self.x + ' ' + foo
... the self variable represents the instance of the object itself. Most object-oriented languages pass this as a hidd...
'uint32_t' identifier not found error
...'s custom integer types to the types expected by C. For example:
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
/* ... etc. ... */
Hope this helps!
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