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How do PHP sessions work? (not “how are they used?”)
...wer :+)
– Frank Nocke
Jul 24 '18 at 11:23
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Performing Breadth First Search recursively
...tion, but I suppose I could imagine some bizarre scenario where you're not allowed any heap space for some reason [some really bad custom memory manager? some bizarre runtime/OS issues?] while you still have access to the stack...)
Breadth-first traversal traditionally uses a queue, not a stack. T...
How to configure socket connect timeout
... Another thing too look out for... If instead of putting null in for the callback and you plan to EndConnect(), if the socket has been closed then this will give you an exception. So make sure you check...
– poy
Jan 28 '13 at 16:50
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Apache Spark: map vs mapPartitions?
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I'm seeing the opposite -- even with very small operations, its faster to call mapPartitions and iterate than call map. I am assuming that this is just the overhead of starting the language engine that will process the map task. (I'm in R, which may have more startup...
What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
All the examples of strong parameters in Rails 4 docs use
2 Answers
2
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Array include any value from another array?
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answered Oct 15 '10 at 11:55
NakilonNakilon
31.1k1212 gold badges9494 silver badges125125 bronze badges
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SVN upgrade working copy
...ion client to at least 1.7.
With the command line client, you have to manually upgrade your working copy format by issuing the command svn upgrade:
Upgrading the Working Copy
Subversion 1.7 introduces substantial changes to the working copy
format. In previous releases of Subversion, Sub...
What's the idiomatic syntax for prepending to a short python list?
... @MattM. If you insert at the front of a list, python has to move all the other items one space forwards, lists can't "make space at the front". collections.deque (double ended queue) has support for "making space at the front" and is much faster in this case.
– fejfo
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Creating PHP class instance with a string
...able functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$method = 'doStuff';
$object = new MyClass();
$object->$method(); // calls the MyClass->doStuff() method.
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Disable Browser Link - which toolbar
...olbar, but that toolbar doesn't show up in my visual studio. I've enabled all the debug toolbars but still no browser link button.
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