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differences between 2 JUnit Assert classes
...t framework contains 2 Assert classes (in different packages, obviously) and the methods on each appear to be very similar. Can anybody explain why this is?
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How do I set a column value to NULL in SQL Server Management Studio?
How do I clear the value from a cell and make it NULL?
6 Answers
6
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Back to previous page with header( “Location: ” ); in PHP
...['HTTP_REFERER']);
Note that this may not work with secure pages (HTTPS) and it's a pretty bad idea overall as the header can be hijacked, sending the user to some other destination. The header may not even be sent by the browser.
Ideally, you will want to either:
Append the return address to t...
Overwriting my local branch with remote branch [duplicate]
I have completely fubar'd my local branch, and would like to start over. The version on the server is correct.
4 Answers
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How to measure elapsed time in Python?
What I want is to start counting time somewhere in my code and then get the passed time, to measure the time it took to execute few function. I think I'm using the timeit module wrong, but the docs are just confusing for me.
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send mail from linux terminal in one line [closed]
I know there is the command mail in linux to send emails via command line. How can I send an simple email with one line from the terminal though?
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Pandas groupby: How to get a union of strings
...065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtypes
Out[6]:
A int64
B float64
C object
dtype: object
When you apply your own function, there is not automatic exclusions of non-numeric columns...
What does it mean if a Python object is “subscriptable” or not?
... meaning they contain other objects. This includes strings, lists, tuples, and dictionaries.
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How to make a variadic macro (variable number of arguments)
...eceding comma in case the variable-argument list is empty, eg. FOO("a") expands to printf("a"). This is an extension of gcc (and vc++, maybe), C99 requires at least one argument to be present in place of the ellipsis.
– jpalecek
Mar 26 '09 at 20:20
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Pandas percentage of total with groupby
...calculate the percentage in a simpler way -- just groupby the state_office and divide the sales column by its sum. Copying the beginning of Paul H's answer:
# From Paul H
import numpy as np
import pandas as pd
np.random.seed(0)
df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3,
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