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Convert a matrix to a 1 dimensional array
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From ?matrix: "A matrix is the special case of a two-dimensional 'array'." You can simply change the dimensions of the matrix/array.
Elts_int <- as.matrix(tmp_int) # read.table returns a data.frame as Brandon noted
dim(...
Convert from java.util.date to JodaTime
...rry out subtractions between dates. Is there a good concise way to convert from Date to JodaTime ?
2 Answers
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Read String line by line
.... Just because the code is running on (e.g.) Unix, what's to stop the file from having Windows-style "\r\n" line separators? BufferedReader.readLine() and Scanner.nextLine() always check for all three styles of separator.
– Alan Moore
Jul 9 '09 at 6:25
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How to create a WPF UserControl with NAMED content
...now why it didn't work for you. you probably just changed an existing code from UserControl to inherit ContentControl. To solve, simply add new Class (not XAML with CS). And then it will (hopefully) work. if you like, I've created a small VS2010 solution
– itsho
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Unit testing with Spring Security
...text() (thru a few wrapper methods of my own, so at least it's only called from one class).
– matt b
Dec 16 '08 at 19:56
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Using an SSH keyfile with Fabric
...t (with a matching gist).
Basically, the usage goes something like this:
from fabric.api import *
env.hosts = ['host.name.com']
env.user = 'user'
env.key_filename = '/path/to/keyfile.pem'
def local_uname():
local('uname -a')
def remote_uname():
run('uname -a')
The important part is se...
How do I configure git to ignore some files locally?
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From the relevant Git documentation:
Patterns which are specific to a particular repository but which do not need to be shared with other related repositories (e.g., auxiliary files that live inside the repository but are...
How do lexical closures work?
...f you call func with a second parameter this will overwrite the original i from the definition. :-(
– Pascal
Mar 28 '19 at 16:05
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Java: Path vs File
...you ever need a File object for legacy, just call Path#toFile()
Migrating from File to Path
This Oracle page highlights differences, and maps java.io.File functionality to java.nio.file lib (including Path) functionality
Article by Janice J. Heiss and Sharon Zakhour, May 2009, discussing NIO.2 Fi...
How to print the contents of RDD?
...rite it to disk you can use one of the saveAs... functions (still actions) from the RDD API
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