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How to terminate a Python script

...ed by raising the SystemExit exception, so cleanup actions specified by finally clauses of try statements are honored, and it is possible to intercept the exit attempt at an outer level. The optional argument arg can be an integer giving the exit status (defaulting to zero), or another type of obj...
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Why are private fields private to the type, not the instance?

...ith code in which you have two objects of the same class, then there is no extra dependency. A class always depends on itself. However, all this theory about encapsulation fails as soon as someone creates properties (or get/set pairs in Java) and exposes all the fields directly, which makes classes...
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Batch File; List files in directory, only filenames?

...s is probably a very simple question, but I'm having trouble with it. Basically, I am trying to write a Batch File and I need it to list all the files in a certain directory. The dir command will do this, but it also gives a bunch of other information; I want it to list ONLY the file names and e...
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Disabling Chrome Autofill

... real fields. If you are using javascript to modify your form, there is an extra trick you will need. Show the fake fields while you are manipulating the form and then hide them again a millisecond later. Example code using jQuery (assuming you give your fake fields a class): $(".fake-autofill-field...
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UnboundLocalError on local variable when reassigned after first use

...t since it WON'T have the luxury of a second pass, the lexer does a little extra work to make life easier later on. Only, then it sees the OPERATOR, sees that the rules say "if you have an operator += the left hand side must have been initialized" and says "whoops!" The point here is that it hasn...
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Objective-C : BOOL vs bool

..., you can assume that BOOL is a char. You can use the (C99) bool type, but all of Apple's Objective-C frameworks and most Objective-C/Cocoa code uses BOOL, so you'll save yourself headache if the typedef ever changes by just using BOOL. ...
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How can I find the data structure that represents mine layout of Minesweeper in memory?

...n. I've found this MSDN article on a simple WinDbg command that reveals all the mines but it is old, is not explained in any detail and really isn't what I'm looking for. ...
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AttributeError: 'module' object has no attribute 'tests'

... I finally figured it out working on another problem. The problem was that my test couldn't find an import. It looks like you get the above error if your test fails to import. This makes sense because the test suite can't import ...
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Installing Google Protocol Buffers on mac

I would like to install the older version of Google Protocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal. ...
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Python error “ImportError: No module named”

Python is installed in a local directory. 28 Answers 28 ...