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How do I draw a shadow under a UIView?

...ct: . Any drawing that should be affected by the shadow setting needs to happen after CGContextSetShadow(currentContext, CGSizeMake(-15, 20), 5); but before CGContextRestoreGState(currentContext); So if you want the superclass's drawRect: to be 'wrapped' in a shadow, then how about if you re...
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What is Python used for? [closed]

...ython will let you do: Web Development: You can use Python to create web applications on many levels of complexity. There are many excellent Python web frameworks including, Pyramid, Django and Flask, to name a few. Data Analysis: Python is the leading language of choice for many data scientists...
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Simplest way to wait some asynchronous tasks complete, in Javascript?

...JavaScript. In that case I advice looking at async module and use async.parallel(...). You will find this module really helpful - it was developed to solve the problem you are struggling with. Your code may look like this var async = require('async'); var calls = []; ['aaa','bbb','ccc'].forEach(f...
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Where's my JSON data in my incoming Django request?

...$.ajax({ url: '/event/save-json/', type: 'POST', contentType: 'application/json; charset=utf-8', data: $.toJSON(myEvent), dataType: 'text', success: function(result) { alert(result.Result); } }); Django: def save_events_json(request): if request.is_ajax(): ...
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Intellij idea cannot resolve anything in maven

...and made sure the following was selected: Import Maven projects automatically Create IDEA modules for aggregator projects Keep source... Exclude build dir... Use Maven output... Generated souces folders: "detect automatically" Phase to be...: "process-resources" Automatically download: "sources" &...
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Request Monitoring in Chrome

In Firefox, I use Firebug which allows me to view every http request my ajax calls are making. I've switched over my development to Chrome and am liking it so far. My only complaint, however, is that the developer tools don't seem to allow you to view each ajax request. I've had it happen once wh...
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What are the basic rules and idioms for operator overloading?

...::ios::failbit); return is; } When implementing operator>>, manually setting the stream’s state is only necessary when the reading itself succeeded, but the result is not what would be expected. Function call operator The function call operator, used to create function objects, also k...
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How to generate all permutations of a list?

How do you generate all the permutations of a list in Python, independently of the type of elements in that list? 33 Answer...
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Good ways to sort a queryset? - Django

... Ulysses Simpson (474) Harry Truman (471) And now the combined order_by call: >>> myauths = Author.objects.order_by('-score', 'last_name')[:5] >>> for x in myauths: print x ... James Monroe (487) Ulysses Simpson (474) Harry Truman (471) Benjamin Harrison (467) Gerald Rudolph (4...
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How to prevent caching of my Javascript file? [duplicate]

... Add a random query string to the src You could either do this manually by incrementing the querystring each time you make a change: <script src="test.js?version=1"></script> Or if you are using a server side language, you could automatically generate this: ASP.NET: <scri...