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How to remove “disabled” attribute using jQuery?
...this (from this question):
$(".inputDisabled").prop('disabled', function (_, val) { return ! val; });
Here is a working fiddle.
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UICollectionView's cellForItemAtIndexPath is not being called
... is the answer solved my problem! The override method func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize { <#code#> } does not work for me.
– Mike
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Purge Kafka Topic
...yi, for kafka v. 0.9.0.0, it says: ubuntu@ip-172-31-21-201:/opt/kafka/kafka_2.10-0.9.0.0-SNAPSHOT$ bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic room-data --config retention.ms=1000 WARNING: Altering topic configuration from this script has been deprecated and may be removed in futu...
How to “inverse match” with regex?
...his.
You could use look-ahead. Using python as an example
import re
not_andrea = re.compile('(?!Andrea)\w{6}', re.IGNORECASE)
To break that down:
(?!Andrea) means 'match if the next 6 characters are not "Andrea"'; if so then
\w means a "word character" - alphanumeric characters. This is equ...
Take a screenshot of a webpage with JavaScript?
... to build the control in VB6 to take the screenshot. I had to use the keybd_event API call because SendKeys can't do PrintScreen. Here's the code for that:
Declare Sub keybd_event Lib "user32" _
(ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long)
Public Const...
How do you know a variable type in java?
... answered Feb 5 '14 at 4:24
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What's the difference between an argument and a parameter?
... the parameter.
A bit more info on:
http://en.wikipedia.org/wiki/Parameter_(computer_science)#Parameters_and_arguments
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Regex (grep) for multi-line search needed [duplicate]
...ould be printed; this way it won't do that.
In regexp:
(?s) activate PCRE_DOTALL, which means that . finds any character or newline
\N find anything except newline, even with PCRE_DOTALL activated
.*? find . in non-greedy mode, that is, stops as soon as possible.
^ find start of line
\1 backre...
reformat in vim for a nice column layout
...command in visual mode for step #1 is: '<,'>s/"\(\w\+\) \(\w\+\)"/"\1_\2"/g
– Luciano
Aug 11 '15 at 9:38
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Collections.emptyList() vs. new instance
...inal <T> List<T> emptyList() {
return (List<T>) EMPTY_LIST;
}
So if your method (which returns an empty list) is called very often, this approach may even give you slightly better performance both CPU and memory wise.
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