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Best way to test for a variable's existence in PHP; isset() is clearly broken
...y checking an array element, it makes much more sense: isset($foo[$bar]) becomes array_key_exists($bar, $foo)
– Arild
Aug 25 '14 at 14:12
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What is the difference between a 'closure' and a 'lambda'?
...nt for the variables referenced to be 'effectively final'), and internally compile to non-closure functions that take all variables referenced in the enclosing scope as hidden parameters.
– Logan Pickup
Jun 30 '16 at 20:51
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What are the Dangers of Method Swizzling in Objective-C?
...perience is acceptable on app stores. I am directing you to stackoverflow.com/questions/8834294 as well.
– Dickey Singh
Nov 15 '13 at 3:14
3
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How is the fork/join framework better than a thread pool?
...m to a cached thread pool (from Executors ) and waiting for each task to complete? I fail to see how using the fork/join abstraction simplifies the problem or makes the solution more efficient from what we've had for years now.
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How to develop a soft keyboard for Android? [closed]
...board. I cloned the repo but when I try to build the java part it seems to complain about the native part, and I can't figure out how to get the ndk to build the right part. Any tips?
– Ibrahim
Mar 7 '11 at 9:10
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An example of how to use getopts in bash
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@Pithikos Good point. Common sense tells me that when invoked via -h it should return 0, upon hitting a non-existing flag it should return >0 (for the sake of simplicity I didn't differentiate between those cases and nobody forces you to print ...
How to generate a random number in C++?
...s your result is the same of course (as Martin York already mentioned in a comment to the question).
Actually you should call srand(seed) one time and then call rand() many times and analyze that sequence - it should look random.
EDIT:
Oh I get it.
Apparently verbal description is not enough (maybe ...
社交应用组件 · App Inventor 2 中文网
....SEND_SMS。
推特客户端（国内无法使用）
A non-visible component that enables communication with Twitter. Once a
user has logged into their Twitter account (and the authorization has been confirmed successful
by the IsAuthorized event), many more operations are available:
S...
PHP parse/syntax errors; and how to solve them
...e runs into syntax errors. Even experienced programmers make typos. For newcomers, it's just part of the learning process. However, it's often easy to interpret error messages such as:
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Are static class variables possible in Python?
...ce.
class C:
@staticmethod
def f(arg1, arg2, ...): ...
@beidy recommends classmethods over staticmethod, as the method then receives the class type as the first argument, but I'm still a little fuzzy on the advantages of this approach over staticmethod. If you are too, then it probably do...