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Object of custom type as dictionary key

... You need to add 2 methods, note __hash__ and __eq__: class MyThing: def __init__(self,name,location,length): self.name = name self.location = location self.length = length def __hash__(self): return hash((self.name...
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How to handle ListView click in Android

... Thanks David. Geezzz, I tried setOnClickListener and setOnItemSelectedListener but missed reading setOnItemClickListener. Thanks, Tee – teepusink Mar 18 '10 at 8:37 ...
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How do cache lines work?

...(DDR1/2/3/4 SDRAM burst transfer size is configurable up to 64B; CPUs will select the burst transfer size to match their cache line size, but 64B is common) As a rule of thumb, if the processor can't forecast a memory access (and prefetch it), the retrieval process can take ~90 nanoseconds, or ~250...
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Simple Log to File example for django 1.3+

...ogfile'], 'level': 'DEBUG', }, } } Now what does all of this mean? Formaters I like it to come out as the same style as ./manage.py runserver Handlers - I want two logs - a debug text file, and an info console. This allows me to really dig in (if needed) and look at a te...
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Why is “import *” bad?

...ed (readability). Because you can't use cool tools like pyflakes to statically detect errors in your code. share | improve this answer | follow | ...
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AngularJS : Factory and Service? [duplicate]

...ating between controllers like sharing data. Can use other dependencies Usually used when the service instance requires complex creation logic Cannot be injected in .config() function. Used for non configurable services If you're using an object, you could use the factory provider. Syntax: module...
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MongoDB drop every database

..."dropping db " + db.getName() ); db.dropDatabase(); } save it to dropall.js and then execute: mongo dropall.js share | improve this answer | follow | ...
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How to normalize an array in NumPy?

I would like to have the norm of one NumPy array. More specifically, I am looking for an equivalent version of this function ...
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How to programmatically send a 404 response with Express/Node?

...on for this on the response object. Just chain it in somewhere before you call send. res.status(404) // HTTP status 404: NotFound .send('Not found'); share | improve this answer ...
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How to see the changes between two commits without commits in-between?

...question, so I have no idea why it has so many upvotes. The OP is specifically asking how NOT to get the first command you give, and the second has nothing to do with anything. – psusi Sep 4 '15 at 17:51 ...