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Anonymous recursive PHP functions
...o pass it by reference. Be aware, that if you modify the $factorial before calling the function, the result will change as it's passed by reference.
– Marius Balčytis
Sep 13 '12 at 21:48
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Generating v5 UUID. What is name and namespace?
...hash bits don't make it into the UUID. (Also MD5 is considered cryptographically broken, and SHA1 is on its last legs, so don't use this to verify data that needs to be "very secure"). That said, it gives you a way of creating a repeatable/verifiable "hash" function mapping a possibly hierarchical ...
string c_str() vs. data()
...I have seen in actual implementations, they either do the same or data() calls c_str() .
6 Answers
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Why can't I use the 'await' operator within the body of a lock statement?
...d so we don't allow it, so as to protect you from making this mistake.
call to Monitor.Exit within ExitDisposable.Dispose seems to block indefinitely (most of the time) causing deadlocks as other threads attempt to acquire the lock. I suspect the unreliability of my work around and the reason aw...
Where can I learn jQuery? Is it worth it?
...chools.com . It's hit or miss, I know, but the PHP and CSS sections specifically have proven very useful for reference.
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One Activity and all other Fragments [closed]
...or create, requires them to go to a new screen. With activities we'd just call the new screen with startActivityForResult but with Fragments there is no such thing so you end up storing the value on the Activity and having the main edit fragment check the Activity to see if data has been selected a...
How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
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std::shared_ptr of this
...le_shared_from_this just for this purpose. You inherit from it and you can call .shared_from_this() from inside the class. Also, you are creating circular dependencies here that can lead to resource leaks. That can be resolved with the use of std::weak_ptr. So your code might look like this (assumin...
How is this fibonacci-function memoized?
...onacci definition, fib n = fib (n-1) + fib (n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list":
fib n = (xs!!(n-1)) + (xs!!(n-2)) where xs = 0:1:map fib [2..]
The t...
What is the difference between _tmain() and main() in C++?
...ve three options when doing Windows programming:
Explicitly use Unicode (call wmain, and for every Windows API function which takes char-related arguments, call the -W version of the function. Instead of CreateWindow, call CreateWindowW). And instead of using char use wchar_t, and so on
Explicitly...