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Why can't R's ifelse statements return vectors?
...s, you will get longer results:
> ifelse(c(TRUE, FALSE), c(1, 2), c(3, 4))
[1] 1 4
So ifelse is intended for the specific purpose of testing a vector of booleans and returning a vector of the same length, filled with elements taken from the (vector) yes and no arguments.
It is a common confus...
Transpose list of lists
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How about
map(list, zip(*l))
--> [[1, 4, 7], [2, 5, 8], [3, 6, 9]]
For python 3.x users can use
list(map(list, zip(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip ...
How to use cURL to get jSON data and decode the data?
...rl="https://.../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1";
Using cURL
// Initiate curl
$ch = curl_init();
// Will return the response, if false it print the response
curl_setopt($ch, ...
REST API Token-based Authentication
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94
Let me seperate up everything and solve approach each problem in isolation:
Authentication
For...
Can Mockito capture arguments of a method called multiple times?
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proactifproactif
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Why an interface can not implement another interface?
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sloth
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answered Oct 13 '10 at 6:59
Jigar JoshiJigar Joshi
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CSS z-index paradox flower
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edited Mar 18 '15 at 8:47
answered Mar 12 '14 at 13:22
F...
Can someone explain the right way to use SBT?
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How to check if a number is a power of 2
...Let us for the sake of simplicity assume that someone has passed the value 4 and called the function like so:
bool b = IsPowerOfTwo(4)
Now we replace each occurrence of x with 4:
return (4 != 0) && ((4 & (4-1)) == 0);
Well we already know that 4 != 0 evals to true, so far so good. ...
What does f+++++++++ mean in rsync logs?
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