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Create a custom callback in JavaScript
...sCallback = (data) =>{
...
}
//trigger a event whenever you got data by
Notification.dispatch('Load data success')
Dispatcher:
class Dispatcher{
constructor(){
this.events = {}
}
dispatch(eventName, data){
const event = this.events[eventName]
if(event){
event.fire(d...
Should I use encodeURI or encodeURIComponent for encoding URLs?
... which is
interpreted as a space on the server side as well as generated by
forms with spaces in their fields. Due to this shortcoming and the
fact that this function fails to handle non-ASCII characters
correctly, you should avoid use of escape() whenever possible. The
best alternative is...
How can a Java program get its own process ID?
...* is not needed. Just perform the getDeclaredMethod on the Object returned by jvm.get(runtime).
– Andrew T Finnell
Feb 27 '19 at 22:13
add a comment
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How do I rename the extension for a bunch of files?
... That operator prevents file names that start with a '-' from being parsed by mv as arguments.
– rcreswick
Jul 9 '15 at 8:54
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Android Drawing Separator/Divider Line in Layout?
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To improve on the answers provided by Alex Kucherenko and Dan Dar3
I added this to my styles:
<style name="Divider">
<item name="android:layout_width">match_parent</item>
<item name="android:layout_height">1dp</item>
...
Extract a dplyr tbl column as a vector
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@nacnudus for that case you could also do group_by(column) %.% tally()
– hadley
Feb 8 '14 at 15:00
12
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Ruby - test for array
... this now since I don't think this is a good practice in a language like Ruby. The answer by @zgchurch is clearly a much more idiomatic approach to the question. In cases like this, I think it makes much more sense to try and figure out what the OP means, rather than blindly giving him a shotgun...
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How to determine programmatically whether a particular process is 32-bit or 64-bit
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Why use processHandle = Process.GetProcessById(process.Id).Handle; instead of just processHandle = process.Handle; ?
– Jonathon Reinhart
Jun 21 '14 at 15:32
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Prevent browser from loading a drag-and-dropped file
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Preventing all drag and drop operations by default might not be what you want. It's possible to check if the drag source is an external file, at least in some browsers. I've included a function to check if the drag source is an external file in this StackOverflow a...
Node.js/Express.js App Only Works on Port 3000
...ing app.set('port', process.env.PORT || 3001) in app.js will be overridden by a similar statement in bin/www.
I just changed the statement in bin/www.
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