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When to throw an exception?
...e 1: say I have a function which is supposed to examine an arbitrary class and return true if that class inherits from List<>. This function asks the question, "Is this object a descendant of List?" This function should never throw an exception, because there are no gray areas in its operation...
Volley Android Networking Library
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$ git clone https://android.googlesource.com/platform/frameworks/volley
$ cd volley
$ android update project -p .
$ ant jar
Then, copy bin/volley.jar into your libs/ folder and off you go!
source
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How do I find the caller of a method using stacktrace or reflection?
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A StackTraceElement has getClassName(), getFileName(), getLineNumber() and getMethodName().
You will have to experiment to determine which index you want
(probably stackTraceElements[1] or [2]).
share
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Xcode 6 how to enable storyboard zoom?
I've updated to Xcode 6 beta 3 and see that the [+ = -] buttons in the storyboard corner are gone. Is there a way for me to zoom in and out on view controllers within a storyboard in Xcode 6?
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Python dictionary from an object's fields
...class Foo(object):
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Also, there's a difference between an 'object' and a 'class'. To build a dictionary from an arbitrary object, it's sufficient to use __dict__. Usually, you'll declare your methods at class level and your attributes at instance level, so __dict__ should be fine. For exampl...
What blocks Ruby, Python to get Javascript V8 speed? [closed]
...s Ruby, Python to get Javascript V8 speed?
Nothing.
Well, okay: money. (And time, people, resources, but if you have money, you can buy those.)
V8 has a team of brilliant, highly-specialized, highly-experienced (and thus highly-paid) engineers working on it, that have decades of experience (I'm ...
How to grab substring before a specified character jQuery or JavaScript
...fore the ',' comma. How do I do this in JavaScript or jQuery? I tried this and not working..
11 Answers
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Using String Format to show decimal up to 2 places or simple integer
...that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should display 100.20 similarly for 100.22 should be same .
I googled and came across some examples but they didn't match exactly what i wanted :
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How to include JavaScript file or library in Chrome console?
... To extend Harman's answer, I wrapped it around a JS function and use it as follows ... var _loadScript = function(path){ var script= document.createElement('script'); script.type= 'text/javascript'; script.src= path; document.head.appendChild(script); } _loadScript('documentcloud...
AngularJS : How to watch service variables?
... always use the good old observer pattern if you want to avoid the tyranny and overhead of $watch.
In the service:
factory('aService', function() {
var observerCallbacks = [];
//register an observer
this.registerObserverCallback = function(callback){
observerCallbacks.push(callback);
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