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Caveats of select/poll vs. epoll reactors in Twisted
...ll scale linearly. A big difference, though, is that the userspace-facing APIs have complexities that are based on different things. The cost of a select call goes roughly with the value of the highest numbered file descriptor you pass it. If you select on a single fd, 100, then that's roughly tw...
Why is String immutable in Java?
...d, immutability of String only means you cannot change it using its public API. You can in fact bypass the normal API using reflection. See the answer here.
In your example, if String was mutable, then consider the following example:
String a="stack";
System.out.println(a);//prints stack
a.s...
Java: difference between strong/soft/weak/phantom reference
...h references are cleared or themselves become unreachable." source: Java8 API Docs PhantomReference
– theRiley
Aug 28 at 19:17
...
$apply already in progress error
... https://docs.angularjs.org/error/$rootScope/inprog
The part Inconsistent API (Sync/Async) is very interesting:
For example, imagine a 3rd party library that has a method which will retrieve data for us. Since it may be making an asynchronous call to a server, it accepts a callback function, wh...
jQuery : eq() vs get()
...uery element. Since DOM elements have no method fadeIn() it fails.
http://api.jquery.com/get/
Description: Retrieve the DOM elements matched by the jQuery object.
http://api.jquery.com/eq-selector/
Description: Select the element at index n within the matched set.
...
How to get JS variable to retain value after page refresh? [duplicate]
...es:
Browser Storage - https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Storage
localStorage - https://developer.mozilla.org/en-US/docs/DOM/Storage#localStorage
JSON - https://developer.mozilla.org/en-US/docs/JSON
Browser Storage compatibility - http://caniuse.com/namevalue-storage
Storin...
Disable Interpolation when Scaling a
...
you have to scale using the canvas API for it to work, you can't scale with CSS ever and have the canvas API affect it! So something like this: jsfiddle.net/VAXrL/190
– Simon Sarris
Aug 31 '12 at 21:13
...
Testing if a checkbox is checked with jQuery
... you write the extension once, and for the rest of time, you only call the API $(someradio).realVal(), you don't need write a extension many times.
– alphakevin
Jun 12 '16 at 9:08
...
drag drop files into standard html file input
... background-color: #4499DD;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div id="drop-zone">
Drop files here...
<div id="clickHere">
or click here..
<input type="file" name="file" id="fi...
Hide div after a few seconds
...lor: #fff;
text-align: center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="mydiv">myDiv</div>
If you just want to hide without fading, use hide().
...