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What is the meaning of “POSIX”?
...ified by the IEEE, to clarify and make uniform the application programming interfaces (and ancillary issues, such as commandline shell utilities) provided by Unix-y operating systems. When you write your programs to rely on POSIX standards, you can be pretty sure to be able to port them easily amon...
Converting A String To Hexadecimal In Java
I am trying to convert a string like "testing123" into hexadecimal form in java. I am currently using BlueJ.
21 Answers
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How do you set your pythonpath in an already-created virtualenv?
...e it in the site-packages directory. E.g.:
cd $(python -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")
echo /some/library/path > some-library.pth
The effect is the same as adding /some/library/path to sys.path, and remain local to the virtualenv setup.
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Converting numpy dtypes to native python types
If I have a numpy dtype, how do I automatically convert it to its closest python data type? For example,
12 Answers
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C# convert int to string with padding zeros?
In C# I have an integer value which need to be convereted to string but it needs to add zeros before:
13 Answers
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How can I use “sizeof” in a preprocessor macro?
...re 'sizeof'. But in principle size_t x = (sizeof(... instead does work as intended. You have to "use" the result, somehow. To allow for this to be called multiple times either inside a function or at global scope, something like extern char _BUILD_BUG_ON_ [ (sizeof(...) ]; can be used repeatedly (...
Converting between datetime, Timestamp and datetime64
How do I convert a numpy.datetime64 object to a datetime.datetime (or Timestamp )?
12 Answers
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Casting a variable using a Type variable
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Here is an example of a cast and a convert:
using System;
public T CastObject<T>(object input) {
return (T) input;
}
public T ConvertObject<T>(object input) {
return (T) Convert.ChangeType(input, typeof(T));
}
Edit:
Some people ...
Convert.ChangeType() fails on Nullable Types
I want to convert a string to an object property value, whose name I have as a string. I am trying to do this like so:
6 An...
How do I log a Python error with debug information?
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You can also set sys.excepthook (see here) to avoid having to wrap all your code in try/except.
– jul
Sep 3 '15 at 9:02
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