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Regex to test if string begins with http:// or https://
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As a PHP input string: $regex = '/^(https?:\/\/)';
– Steve Tauber
Jul 28 '14 at 14:09
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How to determine if binary tree is balanced?
...ty should be O(H) where H is the height of the tree. This is because stack allocation for recursion.
– legrass
Aug 15 '15 at 10:43
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Determining 32 vs 64 bit in C++
... Standard says that size of size_t is large enough to hold size of any allocated object in system. Usually it is what you want to know while conditional compiling. If it is not what you want, you could use this snippet with some other type instead of size_t. For instance, it could be void*.
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Should __init__() call the parent class's __init__()?
...behaviour) and destructors because they parallel constructors (e.g. in the allocation of resources, e.g. database connections). But the same might apply, say, to the render() method of a widget.
Further update: What's the OPP? Do you mean OOP? No - a subclass often needs to know something about the...
Proper use of beginBackgroundTaskWithExpirationHandler
...ceToken;
dispatch_once(&onceToken, ^{
sharedTasks = [[self alloc] init];
});
return sharedTasks;
}
- (id)init
{
self = [super init];
if (self) {
[self setTaskKeyCounter:0];
[self setDictTaskIdentifiers:[NSMutableDictionary dictionary]];
[self...
How do I determine the target architecture of static library (.a) on Mac OS X?
...cutable ppc
Example with archive:
logan:/Users/logan% file /usr/lib/libMallocDebug.a
/usr/lib/libMallocDebug.a: Mach-O universal binary with 2 architectures
/usr/lib/libMallocDebug.a (for architecture i386): current ar archive random library
/usr/lib/libMallocDebug.a (for architecture ppc): ...
Understanding Python's “is” operator
... a is int which is an immutable object. So python (I guess to save memory) allocated the same object to b when it was created with the same value. So in this case, the identities of the variables matched and a is b turned out to be True.
This will apply for all immutable objects:
>>> del ...
text flowing out of div
...uld use overflow:hidden; or scroll
http://jsfiddle.net/UJ6zG/1/
or with php you could short the long words...
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How do I tell git to always select my local version for conflicted merges on a specific file?
..."declared in a .gitignore file").
You may have a config file template with tokenized values in it, and a script transforming that config.template file into a private (and ignored) config file.
However, that specific remark does not answer what is a broader more general question, i.e. your questi...
Is mongodb running?
I have installed mongodb and the php drivers on my unix server.
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