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Checking if array is multidimensional or not?
... least the implicit loop is better than the straight for()):
$ more multi.php
<?php
$a = array(1 => 'a',2 => 'b',3 => array(1,2,3));
$b = array(1 => 'a',2 => 'b');
$c = array(1 => 'a',2 => 'b','foo' => array(1,array(2)));
function is_multi($a) {
$rv = array_filter($...
Passing references to pointers in C++
...er itself, not the object to which it points. For example, a function that allocates memory and assigns the address of the memory block it allocated to its argument must take a reference to a pointer, or a pointer to pointer:
void myfunc(string*& val)
{
//val is valid even after function call
...
Parsing a comma-delimited std::string [duplicate]
... : if (ss.peek() == ',' || ss.peek() == ' ')
– safe_malloc
Oct 31 '14 at 9:27
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Apache Spark: The number of cores vs. the number of executors
...ably be set to 63 *
1024 = 64512 (megabytes) and 15 respectively. We avoid allocating 100%
of the resources to YARN containers because the node needs some
resources to run the OS and Hadoop daemons. In this case, we leave a
gigabyte and a core for these system processes. Cloudera Manager helps
by ac...
How can I get the current page name in WordPress?
What PHP code can be used to retrieve the current page name in a WordPress theme?
19 Answers
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I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
...ending with 2010-05-10 . How can I iterate through all of those dates in PHP?
11 Answers
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Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
... i=[1:inf]
% do something
end
does not (because this one would require allocating infinite memory). See Loren's blog for details.
Also note that you can iterate over cell arrays.
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PHP reindex array? [duplicate]
...lues does the job :
$myArray = array_values($myArray);
Also some other php function do not preserve the keys, i.e. reset the index.
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Returning first x items from array
... 6);
array_splice($input, 5); // $input is now array(1, 2, 3, 4, 5)
From PHP manual:
array array_splice ( array &$input , int $offset [, int $length = 0 [, mixed $replacement]])
If length is omitted, removes everything from offset to the end of the array. If length is specified and is posit...
How does an underscore in front of a variable in a cocoa objective-c class work?
...he value to use. This helps keep your used memory low (and also helps with alloc and dealloc of memory, which is important in the absence of 'garbage collection' which you'll find in Java)
– David Sigley
Aug 30 '13 at 13:34
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