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Pandas read_csv low_memory and dtype options
... dtypes exists?
We have access to numpy dtypes: float, int, bool, timedelta64[ns] and datetime64[ns]. Note that the numpy date/time dtypes are not time zone aware.
Pandas extends this set of dtypes with its own:
'datetime64[ns, ]' Which is a time zone aware timestamp.
'category' which is essentially...
What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
...JeshurunJeshurun
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How to create a fixed-size array of objects
In Swift, I am trying to create an array of 64 SKSpriteNode. I want first to initialize it empty, then I would put Sprites in the first 16 cells, and the last 16 cells (simulating an chess game).
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A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
...lem and the issue was that I had a 32 bit version of Eclipse running on my 64 bit machine and it wanted the 32 bit version of JRE.
I changed Program Files to Program Files (x86) in the eclipse.ini file like so:
-VM
C:Program Files (x86)\Java\jre6\bin
and that solved the problem.
You may want t...
How should equals and hashcode be implemented when using JPA and Hibernate
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Vlad MihalceaVlad Mihalcea
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Is there a way to reduce the size of the git folder?
...t locally.
– sraboy
Feb 1 '18 at 14:46
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The builds tools for v120 (Platform Toolset = 'v120') cannot be found
Using visual studio 2012 on windows 8 x64
aparantly this is caused by msbuild being moved into .net but I havn't seen how to fix it yet.
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Read the package name of an Android APK
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hackbodhackbod
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How are software license keys generated?
...pick four points and encode into a string as "0,-500;100,-300;200,-100;100,600"
We'll encrypt the string with a known and fixed key (horribly weak, but it serves a purpose), then convert the resulting bytes through Base32 to generate the final key
The application can then reverse this process (bas...
'printf' vs. 'cout' in C++
...td::string)). For instance, to print size_t, you need to use %zd, while int64_t will require using %"PRId64". The tables are available at http://en.cppreference.com/w/cpp/io/c/fprintf and http://en.cppreference.com/w/cpp/types/integer.
You can't print the NUL byte, \0
Because printf uses C strings...