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How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
... for me really well on windows.
My Computer > Properties > Advanced System Settings > Environment Variables >
Just add the path as C:\Python27 (or wherever you installed python)
OR
Then under system variables I create a new Variable called PythonPath. In this variable I have C:\Pyth...
Way to read first few lines for pandas dataframe
...
I think you can use the nrows parameter. From the docs:
nrows : int, default None
Number of rows of file to read. Useful for reading pieces of large files
which seems to work. Using one of the standard large test files (988504479 bytes, 5344499 lines):
In [1]: import pandas as pd...
Converting an int to std::string
What is the shortest way, preferably inline-able, to convert an int to a string? Answers using stl and boost will be welcomed.
...
How to convert float to int with Java
I used the following line to convert float to int, but it's not as accurate as I'd like:
7 Answers
...
How to calculate age (in years) based on Date of Birth and getDate()
...0:00'
SELECT DATEDIFF(hour,@dob,GETDATE())/8766.0 AS AgeYearsDecimal
,CONVERT(int,ROUND(DATEDIFF(hour,@dob,GETDATE())/8766.0,0)) AS AgeYearsIntRound
,DATEDIFF(hour,@dob,GETDATE())/8766 AS AgeYearsIntTrunc
OUTPUT:
AgeYearsDecimal AgeYearsIntRound AgeYearsIntTru...
How to convert a number to string and vice versa in C++
... 0, int base = 10);
Each of these take a string as input and will try to convert it to a number. If no valid number could be constructed, for example because there is no numeric data or the number is out-of-range for the type, an exception is thrown (std::invalid_argument or std::out_of_range).
I...
How to convert a Binary String to a base 10 integer in Java
...ings that represent Binary numbers (without leading zeroes) that I want to convert to their corresponding base 10 numbers. Consider:
...
How to convert int[] into List in Java?
How do I convert int[] into List<Integer> in Java?
20 Answers
20
...
Convert a character digit to the corresponding integer in C
Is there a way to convert a character to an integer in C?
15 Answers
15
...
Adding information to an exception?
...ar(arg1):
try:
foo()
except Exception as e:
import sys
raise type(e), type(e)(e.message +
' happens at %s' % arg1), sys.exc_info()[2]
bar('arg1')
Traceback (most recent call last):
File "test.py", line 16, in <module>
ba...