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C++: what regex library should I use? [closed]
...+11 - Do the tutorial: http://www.codeguru.com/cpp/cpp/cpp_mfc/stl/article.php/c15339
Note:
At the time of writing the only c++11 regex library that I know works is the clang/llvm one, and only works on Mac. The GNU still doesn't implement regex yet. I don't know about Visual Studio. Most people st...
How to combine two or more querysets in a Django view?
...It retains all the functions of the querysets which is nice if you want to order_by or similar.
Please note: this doesn't work on querysets from two different models.
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Get the subdomain from a URL
...: Domain::PublicSuffix
Java: http://sourceforge.net/projects/publicsuffix/
PHP: php-domain-parser
C# / .NET: https://github.com/danesparza/domainname-parser
Python: http://pypi.python.org/pypi/publicsuffix
Ruby: domainatrix, public_suffix
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Select distinct values from a table field
...els.CharField(max_length=150)
# some of your models may have explicit ordering
class Meta:
ordering = ('city')
Since you may have the Meta class ordering attribute set, you can use order_by() without parameters to clear any ordering when using distinct(). See the documentation und...
PDO get the last ID inserted
...
That's because that's an SQL function, not PHP. You can use PDO::lastInsertId().
Like:
$stmt = $db->prepare("...");
$stmt->execute();
$id = $db->lastInsertId();
If you want to do it with SQL instead of the PDO API, you would do it like a normal select qu...
Laravel stylesheets and javascript don't load for non-base routes
... you need to use the "Blade templating engine". Blade files use the .blade.php extension.
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How to implement a binary tree?
... else:
self.addNode(node.right, value)
def printInorder(self, node):
if(node!=None):
self.printInorder(node.left)
print(node.data)
self.printInorder(node.right)
def main():
testTree = Tree()
testTree.addNode(testTree.root,...
Why does @foo.setter in Python not work for me?
...
You seem to be using classic old-style classes in python 2. In order for properties to work correctly you need to use new-style classes instead (in python 2 you must inherit from object). Just declare your class as MyClass(object):
class testDec(object):
@property
def x(self): ...
Where to store global constants in an iOS application?
...ng* const fullUrl = [NSString stringWithFormat:@"%@%@", kbaseUrl, @"script.php"], but apparently it's illegal to create consts with an expression. I get the error "initializer element is not constant".
– JoJo
Aug 19 '11 at 18:34
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call a static method inside a class?
...that a static method call is taking place.
$this::staticMethod();
Since PHP 5.3 you can use $var::method() to mean <class-of-$var>::; this is quite convenient, though the above use-case is still quite unconventional. So that brings us to the most common way of calling a static method:
self...