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How to search by key=>value in a multidimensional array in PHP
... array('id'=>2,'name'=>"cat 2")
);
//here's the code:
$arrIt = new RecursiveIteratorIterator(new RecursiveArrayIterator($arr));
foreach ($arrIt as $sub) {
$subArray = $arrIt->getSubIterator();
if ($subArray['name'] === 'cat 1') {
$outputArray[] = iterator_to_array($s...
How to remove a field from params[:something]
...
Rails 4/5 - edited answer
(see comments)
Since this question was written newer versions of Rails have added the extract! and except eg:
new_params = params.except[the one I wish to remove]
This is a safer way to 'grab' all the params you need into a copy WITHOUT destroying the original passed i...
Getting jQuery to recognise .change() in IE
...is answer has an example of how to use jQuery .data to compare the old and new values.
– Laoujin
Sep 14 '12 at 13:13
...
How Do I Take a Screen Shot of a UIView?
...
iOS 7 has a new method that allows you to draw a view hierarchy into the current graphics context. This can be used to get an UIImage very fast.
I implemented a category method on UIView to get the view as an UIImage:
- (UIImage *)pb_...
C# code to validate email address
...bout this?
bool IsValidEmail(string email)
{
try {
var addr = new System.Net.Mail.MailAddress(email);
return addr.Address == email;
}
catch {
return false;
}
}
To clarify, the question is asking whether a particular string is a valid representation of an e-...
Counting inversions in an array
...
Sorry for the newbish question, but what is up with adding left.length - i to the inversion counter? I'd reckon it'd make sense just to add 1, since you fell into the logical case where the comparison between the two subarrays has a bigger...
How to parse JSON in Scala using standard Scala classes?
..._fmt(fmt: String = "yyyy-MM-dd HH:mm:ss"): String = {
val dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")
val date = dateFormat.parse(this.create_time)
new SimpleDateFormat(fmt).format(date)
}
}
shar...
Matching a space in regex
...valid characters The start of this is (note the space inside the regex):
$newtag = preg_replace ("/[^a-zA-Z0-9 ]/", "", $tag);
# ^ space here
If you also want trickery to ensure there's only one space between each word and none at the start or end, that's a litt...
How to get ASCII value of string in C#
...ter them out one by one.
string s = "9quali52ty3";
StringBuilder result = new StringBuilder();
foreach(char c in s)
{
if (Char.IsLetter(c))
result.Add(c);
}
Console.WriteLine(result); // quality
share
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How to reference generic classes and methods in xml documentation
...xample where it doesn't work? If so, please post it somewhere (or even provide an answer yourself.)
– Lasse V. Karlsen
Oct 26 '11 at 11:52
...