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How does python numpy.where() work?
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How do they achieve internally that you are able to pass something like x > 5 into a method?
The short answer is that they don't.
Any sort of logical operation on a numpy array returns a boolean array. (i.e. __gt__, __lt__, etc all return boolea...
Should a .sln be committed to source control?
... each developer check out a subset of the source tree to work on simply by selecting the relevant projects from the repository. The plugin then generates a solution file and modifies project files on the fly for the given solution. It also handles references. In other words, all the developer has to...
How to add a custom loglevel to Python's logging facility
...for my application, as I don't think that debug() is sufficient. Additionally log(5, msg) isn't what I want. How can I add a custom loglevel to a Python logger?
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How can I debug a HTTP POST in Chrome?
... get list of http queries that happened, while the network console was on. Select one of them in the left
Choose "Headers" tab
Voila!
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How to allow remote connection to mysql
...SQL and noticed there were multiple root users with different passwords.
select user, host, password from mysql.user;
So in MySQL I set all the passwords for root again and I could finally log in remotely as root.
use mysql;
update user set password=PASSWORD('NEWPASSWORD') where User='root';
fl...
Selecting with complex criteria from pandas.DataFrame
...se pandas it has some built in functions for comparison. So if you want to select values of "A" that are met by the conditions of "B" and "C" (assuming you want back a DataFrame pandas object)
df[['A']][df.B.gt(50) & df.C.ne(900)]
df[['A']] will give you back column A in DataFrame format.
pan...
Evaluating a mathematical expression in a string
...p://pyparsing.wikispaces.com/message/view/home/15549426
'''
__note__ = '''
All I've done is rewrap Paul McGuire's fourFn.py as a class, so I can use it
more easily in other places.
'''
class NumericStringParser(object):
'''
Most of this code comes from the fourFn.py pyparsing example
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Disabled form inputs do not appear in the request
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@danielson317 You can keep the select element "disabled" but also add another hidden input with the same value.
– AlphaMale
May 5 '15 at 3:34
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
... can be used to detect if a variable has been already initialized. Additionally and more ideal is the solution of empty() since it does not generate a warning or error message if the variable is not initialized.
From PHP documentation:
No warning is generated if the variable does not exist. T...
Copy to Output Directory copies folder structure but only want to copy files
...UnchangedFiles="true"
/>
</Target>
This allows you to select "RootContent" as the Build Action in the Properties window, and all can be accessed via the GUI.
A more complete explanation: the "AvailableItemName" option basically creates a new named-list that you can assign items ...