python suppress minus charactere Question: On Python3, I have ome data on array: tst_val: [”, ‘1’, ‘–2147483648-0’, ”, 0] => bad values tst_val: [‘1’, ‘0’, ‘0’] => values OK tst_val: [‘0’, ‘0’, ‘1’] => values OK tst_val: [‘1’, ‘-0’, ‘-1’] => bad values Then tabVal_sub = str(tst_val).split(‘ ‘) In my sub_val, I only want values, …
change number negative sign position Question: Hello I have the following example of df col1 col2 12.4 12.32 11.4- 2.3 2.0- 1.1 I need the negative sign to be at the beginning of the number and not at the end col1 col2 12.4 12.32 -11.4 2.3 -2.0 1.1 I am trying with the following function, …
How to replace negative numbers in Pandas Data Frame by zero Question: I would like to know if there is someway of replacing all DataFrame negative numbers by zeros? Asked By: Hangon || Source Answers: If all your columns are numeric, you can use boolean indexing: In [1]: import pandas as pd In [2]: df …
In Python, what is a good way to round towards zero in integer division? Question: 1/2 gives 0 as it should. However, -1/2 gives -1 , but I want it to round towards 0 (i.e. I want -1/2 to be 0), regardless of whether it’s positive or negative. What is the best way to do …
Integer division & modulo operation with negative operands in Python Question: Questions arise when I type in these expressions to Python 3.3.0 -10 // 3 # -4 -10 % 3 # 2 10 // -3 # -4 10 % -3 # -2 -10 // -3 # 3 It appears as though it takes the approximate …
Python Argparse: Issue with optional arguments which are negative numbers Question: I’m having a small issue with argparse. I have an option xlim which is the xrange of a plot. I want to be able to pass numbers like -2e-5. However this does not work – argparse interprets this is a positional argument. If I …
how to convert negative integer value to hex in python Question: I use python 2.6 >>> hex(-199703103) ‘-0xbe73a3f’ >>> hex(199703103) ‘0xbe73a3f’ Positive and negative value are the same? When I use calc, the value is FFFFFFFFF418C5C1. Asked By: nic nic || Source Answers: Python’s integers can grow arbitrarily large. In order to compute the raw …
How does the modulo (%) operator work on negative numbers in Python? Question: Exactly how does the % operator work in Python, particularly when negative numbers are involved? For example, why does -5 % 4 evaluate to 3, rather than, say, -1? Asked By: facha || Source Answers: Unlike C or C++, Python’s modulo operator …
