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Understanding garbage collection in .NET
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Hans PassantHans Passant
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Creating a comma separated list from IList or IEnumerable
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1489
.NET 4+
IList<string> strings = new List<string>{"1","2","testing"};
string joine...
What's the best way to communicate between view controllers?
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4 Answers
4
Active
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Difference between solr and lucene
... to perform searches. Am I right or is this a totally different approach?
4) Lucene doesn't just create the Index for the consumption by Solr. Lucene handles all the search related operations. Any application can use the Lucene framework.
Examples are Solr, Elastic Search, LinkedIn (yes, under th...
How to align center the text in html table row?
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Sean the Bean
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answered Jan 24 '12 at 11:49
David LabergeDav...
How to do an instanceof check with Scala(Test)
...eelagilesteel
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6
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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 ...
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...
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...