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How to retrieve checkboxes values in jQuery
...):
function updateTextArea() {
var allVals = [];
$('#c_b :checked').each(function() {
allVals.push($(this).val());
});
$('#t').val(allVals);
}
$(function() {
$('#c_b input').click(updateTextArea);
updateTextArea();
});
Update
Some number of months l...
How to sort my paws?
...with the last impact here. It's not too hard to add it, though.)
def group_paws(data_slices, time):
# Sort slices by initial contact time
data_slices.sort(key=lambda s: s[-1].start)
# Get the centroid for each paw impact...
paw_coords = []
for x,y,z in data_slices:
p...
Setting UIButton image results in blue button in iOS 7
...
In iOS7 there is new button type called UIButtonTypeSystem NS_ENUM_AVAILABLE_IOS(7_0), // standard system button
Check your .xib file and change button type to Custom
To do this programmatically, add this line to the viewDidLoad:
[UIButton buttonWithType:UIButtonTypeSystem];
...
How to loop through an associative array and get the key? [duplicate]
...
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);
}
...
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...
invalid byte sequence for encoding “UTF8”
... the iconv utility to change encoding of the input data.
iconv -f original_charset -t utf-8 originalfile > newfile
You can change psql (the client) encoding following the instructions on Character Set Support. On that page, search for the phrase "To enable automatic character set conversion".
...
How to split a large text file into smaller files with equal number of lines?
...file (still splits on line breaks):
split -C 20m --numeric-suffixes input_filename output_prefix
creates files like output_prefix01 output_prefix02 output_prefix03 ... each of max size 20 megabytes.
share
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...
Is it good style to explicitly return in Ruby?
...ne to the number passed, and assigns it to an instance variable.
def plus_one_to_y(x)
@y = x + 1
end
Was this meant to be a function that returned a value, or not? It's really hard to say what the developer meant, as it both assigns the instance variable, AND returns the value assigned as w...
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...
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
...