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How to add an extra column to a NumPy array
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In [25]: %timeit b = np.hstack((a,np.zeros((a.shape[0],1))))
10000 loops, best of 3: 19.6 us per loop
In [27]: %timeit b = np.zeros((a.shape[0],a.shape[1]+1)); b[:,:-1] = a
100000 loops, best of 3: 5.62 us per loop
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Best way to store time (hh:mm) in a database
...t use DATETIME and ignore the other components of the date, but what's the best way to do this without storing more info than I actually need?
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What is the best way to uninstall gems from a rails3 project?
I installed all of my gems using bundler via the Gemfile. I thought (mistakenly) that if I deleted a gem from my Gemfile and ran 'bundle install' that the deleted gems would be uninstalled. I've looked at the bundler help file and, so far as I can tell, it does not have a way to uninstall gems.
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What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0
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Is it the best practice to create a new SmtpClient for each email to send?
– Martín Coll
Sep 12 '14 at 13:39
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How can I ask the Selenium-WebDriver to wait for few seconds in Java?
... Great answer! I've never seen someone pass a ExpectedCondition item in via the method constructor. What a great idea. +1
– djangofan
Apr 28 '16 at 16:56
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Programmatically change input type of the EditText from PASSWORD to NORMAL & vice versa
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+1 for here is best answer
– nAkhmedov
Mar 17 '15 at 14:50
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Frame Buster Buster … buster code needed
...... potential security issue)
click this link to fix this problem
Not the best, but I don't see any way they could script their way out of that.
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“Cloning” row or column vectors
...his for descriptions.
But to do this, repeat and newaxis are probably the best way
In [12]: x = array([1,2,3])
In [13]: repeat(x[:,newaxis], 3, 1)
Out[13]:
array([[1, 1, 1],
[2, 2, 2],
[3, 3, 3]])
In [14]: repeat(x[newaxis,:], 3, 0)
Out[14]:
array([[1, 2, 3],
[1, 2, 3],
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What's the best way to store co-ordinates (longitude/latitude, from Google Maps) in SQL Server?
I'm designing a table in SQL Server 2008 that will store a list of users and a Google Maps co-ordinate (longitude & latitude).
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I want to remove double quotes from a String
...ed everything in between the opening closing "
": another literal, cf list item one
The replacement is '$1', this is a back-reference to the first captured group, being [^" ]+, or everyting in between the double quotes. The pattern matches both the quotes and what's inbetween them, but replaces it...