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How JavaScript closures are garbage collected
...le above the GC has no way of knowing if the variable is used or not (code tested and works in Chrome30, FF25, Opera 12 and IE10).
The memory is released if the reference to the object is broken by assigning another value to window.f_.
In my opinion this isn't a bug.
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Python memory leaks [closed]
...o available for prior versions of Python as a third-party library (haven't tested it though).
This module is able to output the precise files and lines that allocated the most memory. IMHO, this information is infinitly more valuable than the number of allocated instances for each type (which ends ...
Assignment in an if statement
...be used again later in the same method, if that is a problem.
public void Test()
{
var animals = new Animal[] { new Dog(), new Duck() };
foreach (var animal in animals)
{
{ // <-- scopes the existence of critter to this block
Dog critter;
if (null !...
Why is pow(a, d, n) so much faster than a**d % n?
I was trying to implement a Miller-Rabin primality test , and was puzzled why it was taking so long (> 20 seconds) for midsize numbers (~7 digits). I eventually found the following line of code to be the source of the problem:
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Auto layout constraints issue on iOS7 in UITableViewCell
... before adding the constraints to my content view.
– testing
Nov 11 '14 at 13:10
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Scala type programming resources
...type-level: implicitly[A =:= B]
value-level: Happens in the JVM via a unit test at runtime (i.e. no runtime errors):
in essense is an assert: assert(a == b)
type-level: Happens in the compiler via a typecheck (i.e. no compiler errors):
in essence is a type comparison: e.g. implicitly[A =:= B]...
Calculate difference in keys contained in two Python dictionaries
...e any keys which are present in dictB but not in dictA . What is the fastest way to go about it?
21 Answers
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What is the purpose of std::make_pair vs the constructor of std::pair?
...r while the constructor does not, so that's one difference. TODO example.
Tested with GCC 8.1.0, Ubuntu 16.04.
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Cannot kill Python script with Ctrl-C
I am testing Python threading with the following script:
4 Answers
4
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What's the difference between console.dir and console.log?
...ust a bug in Chrome.
In Chrome, both do the same thing. Expanding on your test, I have noticed that Chrome gets the current value of the object when you expand it.
> o = { foo: 1 }
> console.log(o)
Expand now, o.foo = 1
> o.foo = 2
o.foo is still displayed as 1 from previous lines
> o...