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How to use double or single brackets, parentheses, curly braces
...+ (14 * c)))
and they enable you to omit the dollar signs on integer and array variables and include spaces around operators for readability.
Single brackets are also used for array indices:
array[4]="hello"
element=${array[index]}
Curly brace are required for (most/all?) array references on ...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...th that or you check the host name against a white list:
$allowed_hosts = array('foo.example.com', 'bar.example.com');
if (!isset($_SERVER['HTTP_HOST']) || !in_array($_SERVER['HTTP_HOST'], $allowed_hosts)) {
header($_SERVER['SERVER_PROTOCOL'].' 400 Bad Request');
exit;
}
...
Does MongoDB's $in clause guarantee order
... the order of the returned documents always correspond to the order of the array argument?
10 Answers
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Passing an array as a function parameter in JavaScript
I'd like to call a function using an array as parameters:
10 Answers
10
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How to iterate over associative arrays in Bash
Based on an associative array in a Bash script, I need to iterate over it to get the key and value.
4 Answers
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How to change value of object which is inside an array using JavaScript or jQuery?
...
You have to search in the array like:
function changeDesc( value, desc ) {
for (var i in projects) {
if (projects[i].value == value) {
projects[i].desc = desc;
break; //Stop this loop, we found it!
}
}
}
and use it l...
Sending multipart/formdata with jQuery.ajax
...s') but how is it possible to send this Data to the server? The resulting array ( $_POST ) on the serverside php-script is 0 ( NULL ) when using the file-input.
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Java associative-array
How can I create and fetch associative arrays in Java like I can in PHP?
15 Answers
15...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
... to maintain). This page provides a good introduction to quoting in Bash.
Arrays ($var vs. $var[@] vs. ${var[@]})
Now for your array. According to the bash manual:
Referencing an array variable without a subscript is equivalent to referencing the array with a subscript of 0.
In other words, ...
What is the purpose of Serialization in Java?
...so useful.
Serialization is simply turning an existing object into a byte array. This byte array represents the class of the object, the version of the object, and the internal state of the object. This byte array can then be used between JVM's running the same code to transmit/read the object.
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