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What's the fastest algorithm for sorting a linked list?
...outine). Thanks to the inherently different behaviour of linked lists from arrays, this Mergesort implementation avoids the O(N) auxiliary storage cost normally associated with the algorithm.
There is also an example implementation in C that work for both singly and doubly linked lists.
As @Jørg...
What are the dangers when creating a thread with a stack size of 50x the default?
...e runtime just makes sure a part of the stack (frame?) is reserved for the array.
I strongly advise being careful with this, though.
I recommend the following:
When you need to create arrays frequently which never leave the function (e.g. by passing its reference), using the stack will be an en...
How to retrieve the first word of the output of a command in bash?
...
I think one efficient way is the use of bash arrays:
array=( $string ) # do not use quotes in order to allow word expansion
echo ${array[0]} # You can retrieve any word. Index runs from 0 to length-1
Also, you can directly read arrays in a pipe-line:
echo "word1 w...
How do I modify fields inside the new PostgreSQL JSON datatype?
...anipulate json values).
Merging 2 (or more) JSON objects (or concatenating arrays):
SELECT jsonb '{"a":1}' || jsonb '{"b":2}', -- will yield jsonb '{"a":1,"b":2}'
jsonb '["a",1]' || jsonb '["b",2]' -- will yield jsonb '["a",1,"b",2]'
So, setting a simple key can be done using:
SELECT jsonb ...
GCM with PHP (Google Cloud Messaging)
...Android device(s)
// (it will be accessible via intent extras)
$data = array('message' => 'Hello World!');
// The recipient registration tokens for this notification
// https://developer.android.com/google/gcm/
$ids = array('abc', 'def');
// Send push notification via Google Cloud Messa...
php $_POST array empty upon form submission
...share it as it cost me much time.
When using JSON content-type the $_POST array will not populate (only with multi-part forms I believe)
Here is what did work to correct the issue:
$rest_json = file_get_contents("php://input");
$_POST = json_decode($rest_json, true);
hope this helps someone!
...
Hidden features of Ruby
...
A more explicit (and thus nicer) form of this is Array(items).each
– mislav
Dec 13 '09 at 19:49
...
String literals: Where do they go?
...be highly dependent on your platform and could change over time), just use arrays:
char foo[] = "...";
The compiler will arrange for the array to get initialized from the literal and you can modify the array.
share
...
Sort array of objects by string property value
I have an array of JavaScript objects:
47 Answers
47
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How to minify php page html output?
...art's buffer:
<?php
function sanitize_output($buffer) {
$search = array(
'/\>[^\S ]+/s', // strip whitespaces after tags, except space
'/[^\S ]+\</s', // strip whitespaces before tags, except space
'/(\s)+/s', // shorten multiple whitespace sequ...