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Truncate all tables in a MySQL database in one command?
Is there a query (command) to truncate all the tables in a database in one operation? I want to know if I can do this with one single query.
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What is a singleton in C#?
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A singleton is a class which only allows one instance of itself to be created - and gives simple, easy access to said instance. The singleton premise is a pattern across software development.
There is a C# implementation "Implementing the Singleton Pattern in C#" c...
Professional jQuery based Combobox control? [closed]
...ons that I know of. Good luck in your search. I'd love to hear if you find one or if the second option works out for you.
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RegEx for Javascript to allow only alphanumeric
I need to find a reg ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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Mutex example / tutorial? [closed]
...world: (a color coded version on my blog too)
A lot of people run to a lone phone booth (they don't have mobile phones) to talk to their loved ones. The first person to catch the door-handle of the booth, is the one who is allowed to use the phone. He has to keep holding on to the handle of the d...
How do I pass a string into subprocess.Popen (using the stdin argument)?
...e Popen object with
stdin=PIPE. Similarly, to get anything
other than None in the result tuple,
you need to give stdout=PIPE and/or
stderr=PIPE too.
Replacing os.popen*
pipe = os.popen(cmd, 'w', bufsize)
# ==>
pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).s...
Why do I need an IoC container as opposed to straightforward DI code? [closed]
... Whatever this is (IoC, DynamicProxy, AOP or black magic) can someone link me to a concrete article/specific documentation in framework that provides more details for achieving this?
– fostandy
May 19 '10 at 6:38
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range() for floats
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I don't know a built-in function, but writing one like this shouldn't be too complicated.
def frange(x, y, jump):
while x < y:
yield x
x += jump
As the comments mention, this could produce unpredictable results like:
>>> list(frange(0, 100, 0....
valueOf() vs. toString() in Javascript
...if the hint is Number, then valueOf will be used first. Note that if only one is present, or it returns a non-primitive, it will usually call the other as the second choice.
The + operator always provides the hint Number, even if the first operand is a string value. Even though it asks x for its ...
Factory Pattern. When to use factory methods?
...r.
So, to me the factory pattern is like a hiring agency. You've got someone that will need a variable number of workers. This person may know some info they need in the people they hire, but that's it.
So, when they need a new employee, they call the hiring agency and tell them what they need. ...