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JavaScript displaying a float to 2 decimal places
...@anwar you can't reliably round a float (arguably you can round a float at all) - you'll get something like 0.0500 or even 0.0500000000001. See floating-point-gui.de
– jmc
Jan 12 '18 at 0:08
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?
...base-package="com.yourcompany" />
About singletons - spring beans are all in singleton scope by default. The only thing you have to have in mind is that you should not store state in field variables (they should only hold dependencies). Thus your application will be thread-safe, and you won't r...
Linux equivalent of the Mac OS X “open” command [closed]
...f diagnostics and warnings right into your terminal (even though nothing really went wrong). I usually have to do something like xdg-open <file> &> /dev/null & instead. Is there anything better than xdg-open in this regard?
– Suan
Nov 30 '11 at...
Is It Possible to Sandbox JavaScript Running In the Browser?
...vaScript running in the browser to prevent access to features that are normally available to JavaScript code running in an HTML page.
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C++ Const Usage Explanation
...* const& means a reference to a constant pointer to a constant int. Usually pointers are not passed by reference; const int* & makes more sense because it would mean that the pointer could be changed during the method call, which would be the only reason I can see to pass a pointer by refere...
Hide div after a few seconds
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You can try the .delay()
$(".formSentMsg").delay(3200).fadeOut(300);
call the div set the delay time in milliseconds and set the property you want to change, in this case I used .fadeOut() so it could be animated, but you can use .hide() as well.
http://api.jquery.com/delay/
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Trigger a keypress/keydown/keyup event in JS/jQuery?
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You can trigger any of the events with a direct call to them, like this:
$(function() {
$('item').keydown();
$('item').keypress();
$('item').keyup();
$('item').blur();
});
Does that do what you're trying to do?
You should probably also trigger .focus() a...
proguard hell - can't find referenced class
...dependancy on javax.xml.stream.events. I don't think that namespace is actually included in android at all. (See Package Index).
Try deploying it to the emulator without using proguard and see if it works. My guess would be no if that warning is accurate.
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Why java.io.File doesn't have a close() method?
...) method java.io.File doesn't. Why is that? Is the file closed automatically on finalization or something?
5 Answers
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How to restart a rails server on Heroku?
Locally I just interrupt (ctrl-c) and then start it again.
5 Answers
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