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Using G++ to compile multiple .cpp and .h files
I've just inherited some C++ code that was written poorly with one cpp file which contained the main and a bunch of other functions. There are also .h files that contain classes and their function definitions.
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Line-breaking widget layout for Android
...n be divided into 'words', each being a widget, and sequence of 'words' would form the data ('sentence'?), the ViewGroup widget containing the words. As space required for all 'words' in a 'sentence' would exceed the available horizontal space on the display, I would like to wrap these 'sentences' a...
Copying PostgreSQL database to another server
...looking to copy a production PostgreSQL database to a development server. What's the quickest, easiest way to go about doing this?
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Hashing a file in Python
I want python to read to the EOF so I can get an appropriate hash, whether it is sha1 or md5. Please help. Here is what I have so far:
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How to group dataframe rows into list in pandas groupby?
I have a pandas data frame df like:
12 Answers
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Git blame — prior commits?
Is it possible to see who edited a specific line before the commit reported by git blame , like a history of commits for a given line?
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Rank items in an array using Python/NumPy, without sorting array twice
I have an array of numbers and I'd like to create another array that represents the rank of each item in the first array. I'm using Python and NumPy.
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What's the idiomatic syntax for prepending to a short python list?
list.append() is the obvious choice for adding to the end of a list. Here's a reasonable explanation for the missing list.prepend() . Assuming my list is short and performance concerns are negligible, is
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How to correctly use the extern keyword in C
My question is about when a function should be referenced with the extern keyword in C.
10 Answers
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
... B be two sets. I'm looking for really fast or elegant ways to compute the set difference ( A - B or A \B , depending on your preference) between them. The two sets are stored and manipulated as Javascript arrays, as the title says.
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