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What does -1 mean in numpy reshape?
...numpy matrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
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How to overlay images
...on I like this is because the main image remains an image, it does not become a background image.
– Robin Barnes
Dec 31 '08 at 17:35
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Convert Bitmap to File
... answered Oct 14 '11 at 15:26
P.MelchP.Melch
7,0783737 silver badges3535 bronze badges
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Reading CSV files using C#
....VisualBasic (yes, it says VisualBasic but it works in C# just as well - remember that at the end it is all just IL)
use the Microsoft.VisualBasic.FileIO.TextFieldParser class to parse CSV file
Here is the sample code:
using (TextFieldParser parser = new TextFieldParser(@"c:\temp\test.csv"))
{
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Is Javascript a Functional Programming Language?
...ncourage you to read the
following related blog posts (and also
the comments below them):
Scala is not a functional language
Erlang is not functional
Reddit discussion on "Erlang is not functional"
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Why does “git difftool” not open the tool directly?
... The answer by @ZJR seems to be most people's preferred answer (including me).
– Jono
Apr 3 '14 at 22:24
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How to remove a key from a Python dictionary?
...elete a key regardless of whether it is in the dictionary, use the two-argument form of dict.pop():
my_dict.pop('key', None)
This will return my_dict[key] if key exists in the dictionary, and None otherwise. If the second parameter is not specified (ie. my_dict.pop('key')) and key does not exist,...
How to specify new GCC path for CMake
.../to/your/project
make
The export only needs to be done once, the first time you configure the project, then those values will be read from the CMake cache.
UPDATE: longer explanation on why not overriding CMAKE_C(XX)_COMPILER after Jake's comment
I recommend against overriding the CMAKE_C(XX)_...
Visually managing MongoDB documents and collections [closed]
...MongoDB in a reporting system and have to delete a whole bunch of test documents. While I don't have too much trouble using the JSON-based command-line tools, it gets extremely tedious to have to keep searching for documents, copy-and-pasting OIDs, etc., especially from a command prompt window (e...
Creating an array of objects in Java
I am new to Java and for the time created an array of objects in Java.
8 Answers
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