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Where does the “flatmap that s***” idiomatic expression in Scala come from?
...8559537%2fwhere-does-the-flatmap-that-s-idiomatic-expression-in-scala-come-from%23new-answer', 'question_page');
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Linking R and Julia?
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The RJulia R package looks quite good now from R. R CMD check runs without warnings or errors (if julia is properly installed).
Biggest TODO in my view is to get Julia to return named lists which constitute the really basic flexible general data structure in R.
No...
Plot correlation matrix into a graph
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It looks very similar to example from OP (fonts, colors, layout). Looks like original was created with lattice too. Great detailed answer, +1.
– Marek
Mar 28 '11 at 5:16
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How to overcome TypeError: unhashable type: 'list'
...hich should just be v = list[2] for the third element of the list returned from the call to readline.split(" ").
I noticed several other likely problems with the code, of which I'll mention a few. A big one is you don't want to (re)initialize d with d = {} for each line read in the loop. Another is ...
What is the relationship between Looper, Handler and MessageQueue in Android?
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A Looper is a message handling loop: it reads and processes items from a MessageQueue. The Looper class is usually used in conjunction with a HandlerThread (a subclass of Thread).
A Handler is a utility class that facilitates interacting with a Looper—mainly by posting messages and Runna...
EC2 Can't resize volume after increasing size
...re increasing EBSs into larger sizes
Stop the instance
Create a snapshot from the volume
Create a new volume based on the snapshot increasing the size
Check and remember the current's volume mount point (i.e. /dev/sda1)
Detach current volume
Attach the recently created volume to the instance, sett...
How can I check which version of Angular I'm using?
...gularJS does not have a command line tool.
You can get the version number from the JavaScript file itself.
Header of the current angular.js:
/**
* @license AngularJS v1.0.6
* (c) 2010-2012 Google, Inc. http://angularjs.org
* License: MIT
*/
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How do I set/unset a cookie with jQuery?
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from the changelog: "$.removeCookie('foo') for deleting a cookie, using $.cookie('foo', null) is now deprecated"
– bogdan
Jan 7 '13 at 3:57
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Is Java Regex Thread Safe?
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Yes, from the Java API documentation for the Pattern class
Instances of this (Pattern) class are immutable and are safe for use by multiple concurrent threads. Instances of the Matcher class are not safe for such use.
If you a...
How do I convert a String to an int in Java?
... do something else if you like.)
Alternatively, you can use an Ints method from the Guava library, which in combination with Java 8's Optional, makes for a powerful and concise way to convert a string into an int:
import com.google.common.primitives.Ints;
int foo = Optional.ofNullable(myString)
.m...