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What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
...o plain JS: do more with less code. To take PrimeFaces (jQuery + jQuery UI based) as an example, browse through its showcase to see complete code examples. BootsFaces (jQuery + Bootstrap UI based) has also a showcase with complete code examples. If you study those examples closely, then you'll see t...
What is the difference between a.getClass() and A.class in Java?
...e typically emits the following instructions for Integer.getClass():
aload_1
invokevirtual #3; //Method java/lang/Object.getClass:()Ljava/lang/Class;
and the following for Integer.class:
//const #3 = class #16; // java/lang/Integer
ldc_w #3; //class java/lang/Integer
The former would...
How should equals and hashcode be implemented when using JPA and Hibernate
...uring object (or, at least, session) lifetime.
If the above is impossible, base equals() / hashCode() on primary key IF it's set and object identity / System.identityHashCode() otherwise. The important part here is that you need to reload your Set after new entity has been added to it and persisted;...
How to duplicate object properties in another object?
...ject[key];
});
Or, wrapping it into a function (limited "copy" of lodash _.assign()):
function assign(object, source) {
Object.keys(source).forEach(function(key) {
object[key] = source[key];
});
}
assign(secondObject, firstObject); // assign firstObject properties to secondObject
Objec...
How to cancel/abort jQuery AJAX request?
...dyState which contains the state of the request(UNSENT-0, OPENED-1, HEADERS_RECEIVED-2, LOADING-3 and DONE-4). we can use this to check whether the previous request was completed.
$(document).ready(
var xhr;
var fn = function(){
if(xhr && xhr.readyState != 4){
x...
Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
...ay, but did achieve my needs at the time.
$uploadTempFile = $myField[ 'tmp_name' ]
list( $uploadWidth, $uploadHeight, $uploadType )
= getimagesize( $uploadTempFile );
$srcImage = imagecreatefrompng( $uploadTempFile );
$targetImage = imagecreatetruecolor( 128, 128 );
imagealphablending( $ta...
How do you check if a JavaScript Object is a DOM Object?
...
How about Lo-Dash's _.isElement?
$ npm install lodash.iselement
And in the code:
var isElement = require("lodash.iselement");
isElement(document.body);
share
...
How to copy a collection from one database to another in MongoDB
...h related feature request.
You could do something like:
db.<collection_name>.find().forEach(function(d){ db.getSiblingDB('<new_database>')['<collection_name>'].insert(d); });
Please note that with this, the two databases would need to share the same mongod for this to work.
B...
What are some methods to debug Javascript inside of a UIWebView?
...use it like this: [NSClassFromString(@"WebView") performSelector:@selector(_enableRemoteInspector)]; Remember to remove the call when you build for release!
– rpitting
Apr 3 '12 at 13:58
...
android.widget.Switch - on/off event listener?
...o add a Switch to your layout via XML:
<Switch
android:id="@+id/on_off_switch"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textOff="OFF"
android:textOn="ON"/>
Then in your Activity's onCreate method, get a reference to your Switc...