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nonlocal keyword in Python 2.x
... but it seems like this keyword is not available in python 2.x. How should one access nonlocal variables in closures in these versions of python?
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What does the Reflect object do in JavaScript?
...iding the need for a global Proxy binding.
Most methods in this module map one-to-one onto Proxy traps. Proxy handlers need these methods to conveniently forward operations, as shown below.
So, the Reflect object provides a number of utility functions, many of which appear to overlap with ES5 me...
What is
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It means that T must implement Comparable<T itself or one of T's superclasses>
The sense is that because SortedList is sorted, it must know how to compare two classes of its generics T parameter. That's why T must implement Comparable<T itself or one of T's superclasses>...
Avoid Android Lint complains about not-translated string
...rilLeroux answer is more comprehensive and should be marked as the correct one because it shows the option of putting all the non translatable strings in one file.
– Yoel Gluschnaider
Jan 27 '16 at 17:12
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What is the difference between atan and atan2 in C++?
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One small detail, the range -π/2 <= atan() <= π/2 actually includes one point (pi/2) from quadrant II.
– Z boson
Jul 2 '15 at 11:30
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What is the JavaScript convention for no operation?
...ere might be some performance issues associated with this (as is also mentioned by others in comments or in other answers).
However, that being said, you can easily define your own noop function and, infact, many libraries and frameworks also provide noop functions. Below are some examples:
var no...
How do I check if a string contains a specific word?
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You can use the strpos() function which is used to find the occurrence of one string inside another one:
$a = 'How are you?';
if (strpos($a, 'are') !== false) {
echo 'true';
}
Note that the use of !== false is deliberate (neither != false nor === true will return the desired result); strpos()...
Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
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I am just one of the developers... a lowly ranked one at that :)
– rk2010
May 20 '11 at 21:56
3
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JSHint and jQuery: '$' is not defined
...o set this generically for all functions within a script, rather than type one by one in /* global ... */? I typically import a script with all my functions into my main so it is cumbersome to define one by one...
– tsando
Sep 25 '17 at 9:33
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Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
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One more minor thing that tripped me up: in boost, destructor of a running thread detaches it ( boost.org/doc/libs/1_47_0/doc/html/thread/… ), while in C++, destructor of a running thread calls terminate() (FDIS 30.3.1.3)
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