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How do you echo a 4-digit Unicode character in Bash?
I'd like to add the Unicode skull and crossbones to my shell prompt (specifically the 'SKULL AND CROSSBONES' (U+2620)), but I can't figure out the magic incantation to make echo spit it, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
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What is the equivalent of MATLAB's repmat in NumPy
...would like to execute the equivalent of the following MATLAB code using NumPy: repmat([1; 1], [1 1 1]) . How would I accomplish this?
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Remove rows with all or some NAs (missing values) in data.frame
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Also check complete.cases :
> final[complete.cases(final), ]
gene hsap mmul mmus rnor cfam
2 ENSG00000199674 0 2 2 2 2
6 ENSG00000221312 0 1 2 3 2
na.omit is nicer for just removing all NA's...
Setting the MySQL root user password on OS X
I just installed MySQL on Mac OS X. The next step was setting the root user password, so I did this next:
23 Answers
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How to concatenate two MP4 files using FFmpeg?
I'm trying to concatenate two mp4 files using ffmpeg. I need this to be an automatic process hence why I chose ffmpeg. I'm converting the two files into .ts files and then concatenating them and then trying to encode that concated .ts file. The files are h264 and aac encoded and I'm hoping to kee...
Forced naming of parameters in Python
In Python you may have a function definition:
11 Answers
11
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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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Difficulty with ng-model, ng-repeat, and inputs
I am trying to allow the user to edit a list of items by using ngRepeat and ngModel . ( See this fiddle .) However, both approaches I've tried lead to bizarre behavior: one doesn't update the model, and the other blurs the form on each keydown.
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augmented reality framework [closed]
...d
IN2AR - http://www.in2ar.com/
METAIO - http://www.metaio.com
Vuforia - https://developer.qualcomm.com/mobile-development/mobile-technologies/augmented-reality
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C# Sort and OrderBy comparison
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Why not measure it:
class Program
{
class NameComparer : IComparer<string>
{
public int Compare(string x, string y)
{
return string.Compare(x, y, true);
}
}
class Person
{
public P...