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Django filter queryset __in for *every* item in list

...ries. You also have the option of using custom queries. Some examples Test setup: class Photo(models.Model): tags = models.ManyToManyField('Tag') class Tag(models.Model): name = models.CharField(max_length=50) def __unicode__(self): return self.name In [2]: t1 = Tag.obje...
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How to print to console in pytest?

I'm trying to use TDD (test-driven development) with pytest . pytest will not print to the console when I use print . ...
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How to automatically generate a stacktrace when my program crashes

...tput, which glibc can use to make a nice stacktrace: $ gcc -g -rdynamic ./test.c -o test Executing this gets you this output: $ ./test Error: signal 11: ./test(handler+0x19)[0x400911] /lib64/tls/libc.so.6[0x3a9b92e380] ./test(baz+0x14)[0x400962] ./test(bar+0xe)[0x400983] ./test(foo+0xe)[0x400993...
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Where do the Python unit tests go?

If you're writing a library, or an app, where do the unit test files go? 18 Answers ...
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计算统计特征(正态分布)函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术

... <map> int _tmain(int argc, _TCHAR* argv[]) { std::map<int, int> map_test; map_test[0] = 100; map_test[5] = 80; map_test[2] = 10; map_test[8] = 99; map_test[4] = 102; StdevInfo stdev_info; stdev_info.init(); stdev_info.caculate_stdev_info(map_test.begin(), map_test.end(), ...
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Should I use a class or dictionary?

...w_style class and a new_style class with slots. Here's the code i used to test it(it's a bit messy but it does the job.) import timeit class Foo(object): def __init__(self): self.foo1 = 'test' self.foo2 = 'test' self.foo3 = 'test' def create_dict(): foo_dict = ...
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Declaring variables inside or outside of a loop

...milar) examples: Let's look at 1. example: package inside; public class Test { public static void main(String[] args) { while(true){ String str = String.valueOf(System.currentTimeMillis()); System.out.println(str); } } } after javac Test.java, jav...
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How to fix “Attempted relative import in non-package” even with __init__.py

... Yes. You're not using it as a package. python -m pkg.tests.core_test share | improve this answer | follow | ...
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How to convert PascalCase to pascal_case?

... Try this on for size: $tests = array( 'simpleTest' =&gt; 'simple_test', 'easy' =&gt; 'easy', 'HTML' =&gt; 'html', 'simpleXML' =&gt; 'simple_xml', 'PDFLoad' =&gt; 'pdf_load', 'startMIDDLELast' =&gt; 'start_middle_last', 'AString' =&gt;...
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What is the meaning of single and double underscore before an object name?

...e variable to something like instance._className__mangled Example: class Test(object): def __init__(self): self.__a = 'a' self._b = 'b' &gt;&gt;&gt; t = Test() &gt;&gt;&gt; t._b 'b' t._b is accessible because it is only hidden by convention &gt;&gt;&gt; t.__a Traceback (mos...