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How can I know which parts in the code are never used?

...e unreached code... and so you can start from here. If you are extremely interested in the subject, and have the time and inclination to actually work out a tool by yourself, I would suggest using the Clang libraries to build such a tool. Use the Clang library to get an AST (abstract syntax tree...
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Fitting empirical distribution to theoretical ones with Scipy (Python)?

INTRODUCTION : I have a list of more than 30,000 integer values ranging from 0 to 47, inclusive, e.g. [0,0,0,0,..,1,1,1,1,...,2,2,2,2,...,47,47,47,...] sampled from some continuous distribution. The values in the list are not necessarily in order, but order doesn't matter for this problem. ...
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Is pass-by-value a reasonable default in C++11?

In traditional C++, passing by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory ma...
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How do I catch a numpy warning like it's an exception (not just for testing)?

... It seems that your configuration is using the print option for numpy.seterr: >>> import numpy as np >>> np.array([1])/0 #'warn' mode __main__:1: RuntimeWarning: divide by zero encountered in divide array([0]) >>> np.seterr(all='print') {'over'...
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Why do this() and super() have to be the first statement in a constructor?

...on't see why you can't be allowed something along the lines of Constructor(int x) { this.field1 = x; super(); }. Sure, you shouldn't need to in an ideal world where you control the code, but that's not always the case. The reason I looked this up in the first place was because I was annoyed I couldn...
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When do I need to use Begin / End Blocks and the Go keyword in SQL Server?

...step... IF EXISTS (SELECT * FROM my_table WHERE id = @id) BEGIN INSERT INTO Log SELECT @id, 'deleted' DELETE my_table WHERE id = @id END share | improve this answer | ...
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What is the difference between loose coupling and tight coupling in the object oriented paradigm?

...ass can be consumed and tested independently of other (concrete) classes. Interfaces are a powerful tool to use for decoupling. Classes can communicate through interfaces rather than other concrete classes, and any class can be on the other end of that communication simply by implementing the inter...
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Objective-C declared @property attributes (nonatomic, copy, strong, weak)

... you use this attribute when you have a property of primitive type (float, int, BOOL...) Retain retain is required when the attribute is a pointer to a reference counted object that was allocated on the heap. Allocation should look something like: NSObject* obj = [[NSObject alloc] init]; // ref coun...
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What are the rules about using an underscore in a C++ identifier?

...n't "import" the C Standard. It references the C Standard. The C++ library introduction says "The library also makes available the facilities of the Standard C Library". It does that by including headers of the C Standard library with appropriate changes, but not by "importing" it. The C++ Standard ...
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re

... 12,400 ''' >>> for line in data.splitlines(): print line.split() ['Shasta', 'California', '14,200'] ['McKinley', 'Alaska', '20,300'] ['Fuji', 'Japan', '12,400'] The second mode is useful for delimited data such as CSV where repeated commas denote empty fields. For exam...