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What is the difference between setUp() and setUpClass() in Python unittest?

... is the difference between setUp() and setUpClass() in the Python unittest framework? Why would setup be handled in one method over the other? ...
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How to inherit constructors?

...blic class FooParams { public int Size... protected myCustomStruct _ReasonForLife ... } public class Foo { private FooParams _myParams; public Foo(FooParams myParams) { _myParams = myParams; } } This avoids the mess of multiple constructors (sometimes) and gives s...
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“Bitmap too large to be uploaded into a texture”

... All rendering is based on OpenGL, so no you can't go over this limit (GL_MAX_TEXTURE_SIZE depends on the device, but the minimum is 2048x2048, so any image lower than 2048x2048 will fit). With such big images, if you want to zoom in out, and in a mobile, you should setup a system similar to what...
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Iterate over object keys in node.js

...e passed to .forEach. Object.keys(myObject).forEach(function(element, key, _array) { // element is the name of the key. // key is just a numerical value for the array // _array is the array of all the keys // this keyword = secondArg this.foo; this.bar(); }, secondArg); ...
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Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”

... a solution posted here or here. Basically, add some lines to your ~/.bash_profile: export LC_ALL=en_US.UTF-8 export LANG=en_US.UTF-8 There is an outstanding bug report related to this issue. It appears that Python makes some assumptions about the format of locale names that aren't universally ...
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What's a good way to overwrite DateTime.Now during testing?

... to correctly calculate things in the future. If I use today's date in the testing, I have to repeat the calculation in the test, which doesn't feel right. What's the best way to set the date to a known value within the test so that I can test that the result is a known value? ...
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How to use double or single brackets, parentheses, curly braces

... In Bash, test and [ are shell builtins. The double bracket, which is a shell keyword, enables additional functionality. For example, you can use && and || instead of -a and -o and there's a regular expression matching operato...
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]

...al Parameters" http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_05_02 : ? Expands to the decimal exit status of the most recent pipeline (see Pipelines). man bash "Special Parameters": The shell treats several parameters specially. These parameters may only be refe...
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How do I assert my exception message with JUnit Test annotation?

I have written a few JUnit tests with @Test annotation. If my test method throws a checked exception and if I want to assert the message along with the exception, is there a way to do so with JUnit @Test annotation? AFAIK, JUnit 4.7 doesn't provide this feature but does any future versions provi...
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JUnit Testing Exceptions [duplicate]

... @Test(expected = Exception.class) Tells Junit that exception is the expected result so test will be passed (marked as green) when exception is thrown. For @Test Junit will consider test as failed if exception is thr...