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Where to learn about VS debugger 'magic names'
...or in a foreach
6 --> the array storage in a foreach
7 --> the array index storage in a foreach.
Temporary kinds between 8 and 264 are additional array index storages for multidimensional arrays.
Temporary kinds above 264 are used for temporaries involving the fixed statement fixing a st...
Difference between array_push() and $array[] =
...ould have to get the max size of the array". No, you are confusing $arr[...index...] = $value; with what is being discussed here, which is $arr[] = $value;. Don't need to know the size or array, to push on the end. Multiple elements would simply be multiple calls: $arr[] = $value1; $arr[] = $value...
How to shorten my conditional statements
...ave encountered it in other's code.
Instead of checking if the result of indexOf is >= 0, there is a nice little shortcut:
if ( ~[1, 2, 3, 4].indexOf(test.type) ) {
// Do something
}
Here is the fiddle: http://jsfiddle.net/HYJvK/
How does this work? If an item is found in the array, ind...
What does “dereferencing” a pointer mean?
...at the pointer points to - the contents of the address with that numerical index - then you dereference the pointer.
Different computer languages have different notations to tell the compiler or interpreter that you're now interested in the pointed-to object's (current) value - I focus below on C a...
How to urlencode data for curl command?
...n about equal likelihood to be installed:
http://qa.debian.org/popcon-png.php?packages=vim-common%2Cbsdmainutils&show_installed=1&want_legend=1&want_ticks=1
but nevertheless here a version which uses hexdump instead of xxd and allows to avoid the tr call:
echo -ne 'some random\nbytes'...
How to do something before on submit? [closed]
...
Assuming you have a form like this:
<form id="myForm" action="foo.php" method="post">
<input type="text" value="" />
<input type="submit" value="submit form" />
</form>
You can attach a onsubmit-event with jQuery like this:
$('#myForm').submit(function() {
a...
Convert character to ASCII code in JavaScript
...that unlike String.fromCharCode( asciiNumVal ), stringInstance.charCodeAt( index ) is not a static method of class String
– bobobobo
Sep 12 '12 at 19:09
...
What's the difference between array_merge and array + array?
...rator whereas the all the values will be used with the array_merge, just reindexed.
I generally use union operator for associative arrays and array_merge for numeric. Of course, you can just as well use the array_merge for associative, just that the later values overwrite earlier ones.
...
PHP parse/syntax errors; and how to solve them
...age. Syntax symbols aren't as easy to search for (Stack Overflow itself is indexed by SymbolHound though). Therefore it may take looking through a few more pages before you find something relevant.
Further guides:
PHP Debugging Basics by David Sklar
Fixing PHP Errors by Jason McCreary
PHP Errors ...
Global variables in Javascript across multiple files
...t" src="external.js"></script>
<title>External JS Globals - index.php</title>
</head>
<body>
<button type="button" id="button1" onclick="f1();"> fire f1 </button>
<br />
<button type="button" id="button2" onclick="f2();"> fire f2 </button&g...