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Remove rows with all or some NAs (missing values) in data.frame
... 0 2 2 2 2
6 ENSG00000221312 0 1 2 3 2
na.omit is nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe:
> final[complete.cases(final[ , 5:6]),]
gene hsap mmul mmus rnor cfam
2 ENSG...
Bash array with spaces in elements
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I think the issue might be partly with how you're accessing the elements. If I do a simple for elem in $FILES, I experience the same issue as you. However, if I access the array through its indices, like so, it works if I add the elements either numerically or...
Cron and virtualenv
...t:
/home/my/virtual/bin/python /home/my/project/manage.py command arg
EDIT: If your django project isn't in the PYTHONPATH, then you'll need to switch to the right directory:
cd /home/my/project && /home/my/virtual/bin/python ...
You can also try to log the failure from cron:
cd /home...
Regex: match everything but specific pattern
I need a regex able to match everything but a string starting with a specific pattern (specifically index.php and what follows, like index.php?id=2342343 )
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Removing Java 8 JDK from Mac
... 8 a while ago to look at some of the examples. I thought for sure by now, it's easy to change between versions.
12 Answer...
How to study design patterns? [closed]
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The best way is to begin coding with them. Design patterns are a great concept that are hard to apply from just reading about them. Take some sample implementations that you find online and build up around them.
A great resource is the Data & Object F...
Check play state of AVPlayer
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To get notification for reaching the end of an item (via Apple):
[[NSNotificationCenter defaultCenter]
addObserver:<self>
selector:@selector(<#The selector name#>)
name:AVPlayerItemDidPlayToEndTimeNotification
object:<#A player it...
How can I make a Python script standalone executable to run without ANY dependency?
...py files in .pyc, C compiled files, like .dll in Windows and .so on Linux.
It is much harder to revert than common .pyo and .pyc files (and also gain in performance!).
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How can I check whether a radio button is selected with JavaScript?
I have two radio buttons within an HTML form. A dialog box appears when one of the fields is null. How can I check whether a radio button is selected?
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Can you attach a UIGestureRecognizer to multiple views?
...u can only use a gesture recognizer once, I'm not sure if this is a bug or it just needs some more documentation.
12 Answer...