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List of Big-O for PHP functions
...ose who doubt that PHP array lookups are O(N), I've written a benchmark to test that (they are still effectively O(1) for most realistic values).
$tests = 1000000;
$max = 5000001;
for( $i = 1; $i <= $max; $i += 10000 ) {
//create lookup array
$array = array_fill( 0, $i, NULL );
...
How to test if one java class extends another at runtime?
How to I test if a is a subclass of b ?
3 Answers
3
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Resolving ambiguous overload on function pointer and std::function for a lambda using +
...
VS15 gives you this fun error: test.cpp(543): error C2593: 'operator +' is ambiguous t\test.cpp(543): note: could be 'built-in C++ operator+(void (__cdecl *)(void))' t\test.cpp(543): note: or 'built-in C++ operator+(void (__stdcall *)(void))' t\test....
List all indexes on ElasticSearch server?
...fq_1458925279526 1 6 0 0 1008b 144b
green open qa-test_learnq_1460483735129 1 6 0 0 1008b 144b
green open qa-testimportd_1458925361399 1 6 0 0 1008b 144b
green open qa-test123p_reports 1 6 3868280 25605 5.9gb 870.5mb
gr...
Is it possible to install iOS 6 SDK on Xcode 5?
... in the iOS 7 simulator. If you want to see how it looks in the simulator, test on the iOS 6 simulator.
– Rob Napier
Sep 22 '13 at 22:51
1
...
Symfony 2 EntityManager injection in service
...anymore. According to the documentation You would pass in:
services:
test.common.userservice:
class: Test\CommonBundle\Services\UserService
arguments: [ "@doctrine.orm.entity_manager" ]
And then they would be available in the order they were listed via the arguments (if ther...
How to check type of files without extensions in python?
...ess file types. There's even a windows port.
From the man page:
File tests each argument in an attempt to classify it. There are three
sets of tests, performed in this order: filesystem tests, magic number
tests, and language tests. The first test that succeeds causes the
file ty...
Why do you need to invoke an anonymous function on the same line?
...y inside the mySum function body, not outside. See following example:
var test1 = function test2() { alert(typeof test2); }
alert(typeof(test2)); //alerts 'undefined', surprise!
test1(); //alerts 'function' because test2 is a function.
Live Demo
Compare this to
function test1() { alert(type...
How do I add custom field to Python log format string?
....basicConfig(format="%(foo)s - %(message)s")
>>> logging.warning('test', extra={'foo': 'bar'})
bar - test
Also, as a note, if you try to log a message without passing the dict, then it will fail.
>>> logging.warning('test')
Traceback (most recent call last):
File "/usr/lib/py...
What is the difference between typeof and instanceof and when should one be used vs. the other?
...make things clear, you need to know two facts:
The instanceof operator tests whether the prototype property of a constructor appears anywhere in the prototypes chain of an object. In most cases this mean that the object was created by using this constructor or on of its descendant. But also prot...