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How to check whether dynamically attached event listener exists or not?
...ts = {};
EventTarget.prototype.addEventListener = function(name, listener, etc) {
var events = EventTarget.prototype.events;
if (events[name] == null) {
events[name] = [];
}
if (events[name].indexOf(listener) == -1) {
events[name].push(listener);
}
_addEventListener(name, liste...
ImageView - have height match width?
...your know the Views width at runtime. You need to use a Runnable thread in order to get the Views width at runtime or else you'll be trying to set the Height before you know the View's width because the layout hasn't been drawn yet.
Example of how I solved my problem:
final FrameLayout mFrame = (F...
jQuery - Get Width of Element when Not Visible (Display: None)
...width() returns 0. Makes sense, but I need to get the width of a table in order to set the width of the parent before I show the parent.
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Why does TestInitialize get fired for every test in my Visual Studio unit tests?
...ory database to an initial state after testing a method that is used in an order-entry application.
For more information please refer :
http://msdn.microsoft.com/en-us/library/ms182517%28v=vs.100%29.aspx
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Web scraping with Python [closed]
...les redirections, gzipped responses, odd encodings, integrated http cache, etc.
Once you are into Scrapy, you can write a spider in less than 5 minutes that download images, creates thumbnails and export the extracted data directly to csv or json.
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What is the relative performance difference of if/else versus switch statement in Java?
... Thank you very much for your update. I mean, they differ by one order of magnitude - wich is possible of course. Are you sure that the compiler did not just optimze the switches away?
– DerMike
May 5 '14 at 12:52
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How to iterate over associative arrays in Bash
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Use this higher order function to prevent the pyramid of doom
foreach(){
arr="$(declare -p $1)" ; eval "declare -A f="${arr#*=};
for i in ${!f[@]}; do $2 "$i" "${f[$i]}"; done
}
example:
$ bar(){ echo "$1 -> $2"; }
$ declare -A...
Base64: What is the worst possible increase in space usage?
... In the example you proposed, showing the result in the same order of measure would increase a bit the quality of the answer (21,3 KB instead of 21848 Bytes).
– Ivan De Paz Centeno
Feb 3 '17 at 12:23
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How to default to other directory instead of home directory
...to your PATH env variable s.t. u can exec cmds like p-g for pinging google etc...
– Juri
Oct 14 '14 at 20:16
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The calling thread cannot access this object because a different thread owns it
... operation progresses, may like to update UI (through RaisePropertyChanged etc), which will in turn try to access a UI control from non-UI thread and thus result in this exception. I don't know of a correct MVVM approach that would solve this problem.
– dotNET
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