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Installing R with Homebrew
I'm trying to install R using Homebrew. I ran these commands which are recommended elsewhere on SO:
12 Answers
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Efficient evaluation of a function at every cell of a NumPy array
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You could just vectorize the function and then apply it directly to a Numpy array each time you need it:
import numpy as np
def f(x):
return x * x + 3 * x - 2 if x > 0 else x * 5 + 8
f = np.vectorize(f) # or use a different name if you want to keep the...
How do I interactively unstage a particular hunk in git?
... according to the documentation. The short form -p also works for both commands.
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Express next function, what is it really for?
...cumentation it says that next('route') can be used to jump to that route and skip all routes in between, but sometimes next is called without arguments. Anybody knows of a good tutorial etc that describes the next function?
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Detecting when the 'back' button is pressed on a navbar
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- (BOOL)isMovingFromParentViewController makes sense when you are pushing and popping controllers in a navigation stack.
However, if you are presenting modal view controllers you should use - (BOOL)isBeingDismissed instead:
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:ani...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
In Pandas, when I select a label that only has one entry in the index I get back a Series, but when I select an entry that has more then one entry I get back a data frame.
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How to reset AUTO_INCREMENT in MySQL?
...ue is less than the current maximum value in the
column, no error occurs and the current sequence value is not changed.
See How to Reset an MySQL AutoIncrement using a MAX value from another table? on how to dynamically get an acceptable value.
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What is the Windows version of cron? [closed]
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For the original question, asking about Windows XP (and Windows 7): Windows Task Scheduler
For command-line usage, you can schedule with the AT command.
For newer Microsoft OS versions, Windows Server 2012 / Windows 8, look at the schtasks command line utility.
If using Powe...
Using DISTINCT and COUNT together in a MySQL Query
... Updated the answer as it is close to become a great answer and it was syntactically incorrect.
– Rahul Tripathi
Sep 8 '14 at 10:20
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Remove stubborn underline from link
... blue underline is stubbornly persisting. I tried text-decoration: none; and text-decoration: none !important; in the CSS to remove the link underline. Neither worked.
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