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How to loop through an associative array and get the key? [duplicate]
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If you use array_keys(), PHP will give you an array filled with just the keys:
$keys = array_keys($arr);
foreach($keys as $key) {
echo($key);
}
Alternatively, you can do this:
foreach($arr as $key => $value) {
echo($key);
}
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How to fix Array indexOf() in JavaScript for Internet Explorer browsers
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The underscore.js library has an indexOf function you can use instead:
_.indexOf([1, 2, 3], 2)
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Is it possible to serialize and deserialize a class in C++?
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@0xDEADBEEF: That probably happend when using a binary_(i|o)archive, which introduces other "problems" like endian-ness. Try text_(i|o)archive, it's more platform agnostic.
– Ela782
Dec 26 '14 at 22:23
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How to get a substring between two strings in PHP?
... a look at this post from Justin Cook.
I copy his code below:
function get_string_between($string, $start, $end){
$string = ' ' . $string;
$ini = strpos($string, $start);
if ($ini == 0) return '';
$ini += strlen($start);
$len = strpos($string, $end, $ini) - $ini;
return subs...
When and why to 'return false' in JavaScript?
...s no "in FileNotFound", it's a TDWTF in-joke: thedailywtf.com/Articles/What_Is_Truth_0x3f_.aspx
– Chris Jester-Young
May 13 '09 at 2:40
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How to get the next auto-increment id in mysql
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Use LAST_INSERT_ID() from your SQL query.
Or
You can also use mysql_insert_id() to get it using PHP.
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Is there any reason to use a synchronous XMLHttpRequest?
...ink they might become more popular as HTML 5 standards progress. If a web application is given access to web workers, I could foresee developers using a dedicated web worker to make synchronous requests for, as Jonathan said, to ensure one request happens before another. With the current situation...
How do I remove all non alphanumeric characters from a string except dash?
... Here's a regex compiled version: return Regex.Replace(str, "[^a-zA-Z0-9_.]+", "", RegexOptions.Compiled); Same basic question
– Paige Watson
Sep 30 '11 at 16:35
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Viewing full output of PS command
...cripts.
darragh@darraghserver ~ $uname -a
SunOS darraghserver 5.10 Generic_142901-13 i86pc i386 i86pc
darragh@darraghserver ~ $which ps
/usr/bin/ps<br>
darragh@darraghserver ~ $/usr/ucb/ps auxww | grep ps
darragh 13680 0.0 0.0 3872 3152 pts/1 O 14:39:32 0:00 /usr/ucb/ps -auxww
darragh...
Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?
...s Either the extension methods changed over time or you forgot the builder _ .Entity<TEntity>() _ before HasOne() can be called...
– ViRuSTriNiTy
May 18 at 13:51
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