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Remove an onclick listener
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i wonder if listeners cause memory allocation ? Do we need to free them ? Will that raise performance of app ?
– alicanbatur
Nov 4 '13 at 11:42
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HTML form readonly SELECT tag/input
... HTML doesn't have a readonly attribute, only a disabled attribute. So if you want to keep the user from changing the dropdown, you have to use disabled .
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How to determine whether a Pandas Column contains a particular value
...y in a Pandas column that has a particular value. I tried to do this with if x in df['id'] . I thought this was working, except when I fed it a value that I knew was not in the column 43 in df['id'] it still returned True . When I subset to a data frame only containing entries matching the missi...
Extract substring in Bash
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If x is constant, the following parameter expansion performs substring extraction:
b=${a:12:5}
where 12 is the offset (zero-based) and 5 is the length
If the underscores around the digits are the only ones in the input, y...
UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath
...reRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
if ([touch.view isDescendantOfView:autocompleteTableView]) {
// Don't let selections of auto-complete entries fire the
// gesture recognizer
return NO;
}
return YES;
}
That took care of it...
How can I safely encode a string in Java to use as a filename?
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If you want the result to resemble the original file, SHA-1 or any other hashing scheme is not the answer. If collisions must be avoided, then simple replacement or removal of "bad" characters is not the answer either.
Inst...
Force “portrait” orientation mode
...entation|keyboardHidden">
</activity>
This is applied in the manifest file AndroidManifest.xml.
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How to check if a specific key is present in a hash or not?
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my_hash2.has_key?("my_key".to_sym)
=> false
But when creating hash if you pass string as key then it will search for the string in keys.
But when creating hash you pass symbol as key then has_key? will search the keys by using symbol.
If you are using Rails, you can use Hash#with_indiffe...
Setting dynamic scope variables in AngularJs - scope.
...und is to use $parse.
"Converts Angular expression into a function."
If anyone has a better one please add a new answer to the question!
Here is the example:
var the_string = 'life.meaning';
// Get the model
var model = $parse(the_string);
// Assigns a value to it
model.assign($scope, 42);...
Javascript sort array by two fields
...ve code sorts the array by gsize - smallest to largest. It works good.
But if the gsize is the same I would like it to then sort by glow.
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