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Why is using 'eval' a bad practice?
...d eval have nothing to do with each other. An application that's fundamentally mis-designed is fundamentally mis-designed. eval is no more the root cause of bad design than division by zero or attempting to import a module which is known not to exist. eval isn't insecure. Applications are insecu...
What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
...amples. If you study those examples closely, then you'll see that you basically need a simple Javabean class as model and a XHTML file as view.
Note that you should not see JSF as replacement of alone HTML/CSS/JS, you should also take the server side part into account (specifically: JSP/Servlet). JS...
Repeat String - Javascript
...
Actually, both of your arguments apply to the global namespace as well. If I'm going to expand a namespace and have potential collisions, I'd rather do it 1) not in global 2) in one that is relevant and 3) is easy to refactor. ...
jQuery get mouse position within an element
...entOffset = $(this).parent().offset();
//or $(this).offset(); if you really just want the current element's offset
var relX = e.pageX - parentOffset.left;
var relY = e.pageY - parentOffset.top;
});
share
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How to force a html5 form validation without submitting it via jQuery
...ckValidity()) {
// If the form is invalid, submit it. The form won't actually submit;
// this will just cause the browser to display the native HTML5 error messages.
$myForm.find(':submit').click();
}
Hope this helps. Keep in mind that HTML5 validation is not supported in all browsers.
...
What's the difference between URI.escape and CGI.escape?
...
There were some small differences, but the important point is that URI.escape has been deprecated in Ruby 1.9.2... so use CGI::escape or ERB::Util.url_encode.
There is a long discussion on ruby-core for those interested which also mentions WE...
How to initialize a dict with keys from a list and empty value in Python?
...
dict.fromkeys([1, 2, 3, 4])
This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
...
Convenient C++ struct initialisation
...
Since style A is not allowed in C++ and you don't want style B then how about using style BX:
FooBar fb = { /*.foo=*/ 12, /*.bar=*/ 3.4 }; // :)
At least help at some extent.
...
Explain ExtJS 4 event handling
...escribing DOM elements' event handling.
DOM node event handling
First of all you wouldn't want to work with DOM node directly. Instead you probably would want to utilize Ext.Element interface. For the purpose of assigning event handlers, Element.addListener and Element.on (these are equivalent) we...
Can scripts be inserted with innerHTML?
... that you've inserted as DOM text.
MooTools will do this for you automatically, and I'm sure jQuery would as well (depending on the version. jQuery version 1.6+ uses eval). This saves a lot of hassle of parsing out <script> tags and escaping your content, as well as a bunch of other "gotchas...