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Conveniently map between enum and int / String
...n't require 'fiddling with reflection' because it's based on the fact that all enum types implicitly inherit the Enum interface.
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How do I check if a list is empty?
...cMahon - it's a trade-off between explicitness and type flexibility. generally, "being explicit" means not doing "magical" things. on the other hand, "duck typing" means working with more general interfaces, rather than explicitly checking for types. so something like if a == [] is forcing a part...
About Android image and asset sizes
...dpi
0.75 | 1 | 1.33 | 1.5 | 2 | 3 | 4
Although you don't really need to worry about tvdpi unless you're developing specifically for Google TV or the original Nexus 7 -- but even Google recommends simply using hdpi assets.
What this means is if you're doing a 48dip image and plan to ...
How do I design a class in Python?
I've had some really awesome help on my previous questions for detecting paws and toes within a paw , but all these solutions only work for one measurement at a time.
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How to pass a user defined argument in scrapy spider
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The above code is only partially working for me. For eg. If I define domain using self.domain, I'm still not able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working wit...
What is your single most favorite command-line trick using Bash? [closed]
We all know how to use <ctrl>-R to reverse search through history, but did you know you can use <ctrl>-S to forward search if you set stty stop "" ? Also, have you ever tried running bind -p to see all of your keyboard shortcuts listed? There are over 455 on Mac OS X by default. ...
Get ID of last inserted document in a mongoDB w/ Java driver
...h MongoDB plainly auto-generates ObjectId's. However, your solution of manually creating an ObjectId does work, and thanks for this option!
– Apophenia Overload
Dec 4 '12 at 8:39
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How to crop an image in OpenCV using Python
...copy region of interest
If we consider (0,0) as top left corner of image called im with left-to-right as x direction and top-to-bottom as y direction. and we have (x1,y1) as the top-left vertex and (x2,y2) as the bottom-right vertex of a rectangle region within that image, then:
roi = im[y1:y2, x1...
setTimeout in for-loop does not print consecutive values [duplicate]
...vident over the fact that setting up a few timeouts causes the handlers to all fire at the same time. It's important to understand that the process of setting up the timer — the calls to setTimeout() — take almost no time at all. That is, telling the system, "Please call this function after 1000...
Which .NET Dependency Injection frameworks are worth looking into? [closed]
...cy injection container with support for constructor, property, and method call injection
Autofac - An addictive .NET IoC container
DryIoc - Simple, fast all fully featured IoC container.
Ninject - The ninja of .NET dependency injectors
StructureMap - The original IoC/DI Container for .Net
Spring.Net...