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Default filter in Django admin

How can I change the default filter choice from 'ALL'? I have a field named as status which has three values: activate , pending and rejected . When I use list_filter in Django admin, the filter is by default set to 'All' but I want to set it to pending by default. ...
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Is it secure to store passwords as environment variables (rather than as plain text) in config files

...e that is meant to look like a configuration file. An attacker will eventually figure out what's going on, or stumble across it. Security provided by encryption that is trivial to break, (think caesar cipher!). Security provided by encryption that can be broken with some effort. Security provided b...
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How can you make a custom keyboard in Android?

... First of all you will need a keyboard.xml file which will be placed in the res/xml folder (if the folder does not exist, created it). <?xml version="1.0" encoding="utf-8"?> <Keyboard xmlns:android="http://schemas.android.com...
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What's the difference between a proxy server and a reverse proxy server? [closed]

...ccurate, but perhaps too terse. I will try to add some examples. First of all, the word "proxy" describes someone or something acting on behalf of someone else. In the computer realm, we are talking about one server acting on the behalf of another computer. For the purposes of accessibility, I wi...
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How can I recover the return value of a function passed to multiprocessing.Process?

... need to know which process is returning which value. If that what you actually need to know about the process, or do you need to correlate between your list of inputs and the list of outputs? In that case, I would recommend using multiprocessing.Pool.map to process your list of work items. ...
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Why does ReSharper tell me “implicitly captured closure”?

... use. The compiler generates a class for both lambda expressions and puts all variables in that class which are used in the lambda expressions. So in my example g and i are held in the same class for execution of my delegates. If g is a heavy object with a lot of resources left behind, the garbage...
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python: How do I know what type of exception occurred?

I have a function called by the main program: 15 Answers 15 ...
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Do try/catch blocks hurt performance when exceptions are not thrown?

... { Console.WriteLine(ex.ToString()); } finally { d = Math.Sin(d); } } w.Stop(); Console.Write(" try/catch/finally: "); Console.WriteLine(w.ElapsedMilliseconds); w.Reset(); d = 0; w.Start(); for (int i = ...
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How to print to console in pytest?

... Using -s option will print output of all functions, which may be too much. If you need particular output, the doc page you mentioned offers few suggestions: Insert assert False, "dumb assert to make PyTest print my stuff" at the end of your function, and you...
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what does the __file__ variable mean/do?

I usually just hard-wire these with the actual path. But there is a reason for these statements that determine path at runtime, and I would really like to understand the os.path module so that I can start using it. ...