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What's the “big idea” behind compojure routes?
...e factored into a collection of well-defined pieces; these are normally a "base" handler function and a collection of middleware functions wrapping it. Compojure's purpose is to simplify the generation of the base handler function.
How?
Compojure is built around the notion of "routes". These are...
Get the current git hash in a Python script
... parent
v1.0.4-14-g2414721
i.e. the current head of my "parent" branch is based on v1.0.4, but since it has a few commits on top of that, describe has added the number of additional commits ("14") and an abbreviated object name for the commit itself ("2414721") at the end.
From within Python, you ...
Why does C# forbid generic attribute types?
... attribute. The part of the C# 3 spec that bans it - section 10.1.4 "Class base specification" doesn't give any justification.
The annotated ECMA C# 2 spec doesn't give any helpful information either, although it does provide an example of what's not allowed.
My copy of the annotated C# 3 spec sho...
C# using streams
...apper) over a physical stream of bytes. This physical stream is called the base stream. So there is always a base stream over which a stream wrapper is created and thus the wrapper is named after the base stream type ie FileStream, MemoryStream etc.
The advantage of the stream wrapper is that you g...
Setting Access-Control-Allow-Origin in ASP.Net MVC - simplest possible method
...ttpContext.Response.AddHeader("Access-Control-Allow-Origin", "*");
base.OnActionExecuting(filterContext);
}
}
Tag your action:
[AllowCrossSiteJson]
public ActionResult YourMethod()
{
return Json("Works better?");
}
For ASP.NET Web API
using System;
using System.Web.Http.Filters...
Why would I use Scala/Lift over Java/Spring? [closed]
... JPA).
Of course, Spring supports a panoply of standard and/or mature database technologies. The operative word there is "supports". Theoretically, you can use any Java ORM with Lift, since you can call arbitrary Java code from Scala. But Lift only really supports Mapper and (to a much lesser e...
__lt__ instead of __cmp__
...ust __lt__ and multiply inherit from ComparableMixin (after whatever other bases it needs, if any). A class decorator would be quite similar, just inserting similar functions as attributes of the new class it's decorating (the result might be microscopically faster at runtime, at equally minute cost...
What is a 'thunk'?
...nction handling -- when calling a virtual function of a multiply-inherited base class in C++, there needs to be a fix-up of the this pointer to get it to point to the right place. A thunk can do this.
dynamic closures -- when you build a dynamic closure, the closure function needs to be able to get...
What are the differences between Abstract Factory and Factory design patterns?
...
Abstract factory creates a base class with abstract methods defining methods for the objects that should be created. Each factory class which derives the base class can create their own implementation of each object type.
Factory method is just a si...
Add support library to Android Studio project
...ted than this one.
The below is not updated
Although android studio is based on IntelliJ IDEA, at the same time it relies on gradle to build your apk. As of 0.2.3, these two doesn't play nicely in term of configuring from GUI.
As a result, in addition to use the GUI to setup dependencies, it wil...