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Select unique or distinct values from a list in UNIX shell script
...n the following input:
class
jar
jar
jar
bin
bin
java
uniq will output all lines exactly once:
class
jar
bin
java
uniq -d will output all lines that appear more than once, and it will print them once:
jar
bin
uniq -u will output all lines that appear exactly once, and it will print them ...
Python: split a list based on a condition?
What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of:
...
How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
...:
ssh-keygen -i -f keyfile.pub > newkeyfile.pub
References
Source: http://www.treslervania.com/node/408
Mirror: https://web.archive.org/web/20120414040727/http://www.treslervania.com/node/408.
Copy of article
I keep forgetting this so I'm gonna write it here. Non-geeks, just
keep wal...
Disable developer mode extensions pop up in Chrome
...ble-extensions --disable-extensions-file-access-check --disable-extensions-http-throttling"); instead of just `--disable-extensions. I think one of the additional switches can be omitted, but not both.
– Anders Lindén
Apr 4 '17 at 12:27
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CodeIgniter: Create new helper?
...o it.
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
if ( ! function_exists('test_method'))
{
function test_method($var = '')
{
return $var;
}
}
Save this to application/helpers/ . We shall call it "new_helper.php"
The first line exists to ...
Where can I view Tomcat log files in Eclipse?
...ies"
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
http://www.coderanch.com/t/442412/Tomcat/Tweaking-tomcat-logging-properties-file
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How to get the full path of running process?
...
According to my measurements, calling process.Modules[0] is 50 times slower than calling process.MainModule.
– Luca Cremonesi
Oct 23 '14 at 16:14
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Download JSON object as a file from browser
...tainer = document.getElementById('container');
container.appendChild(a);
http://jsfiddle.net/sz76c083/1
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ios app maximum memory budget
...ered your own question: try not to go beyond the 70 Mb limit, however it really depends on many things: what iOS version you're using (not SDK), how many applications running in background, what exact memory you're using etc.
Just avoid the instant memory splashes (e.g. you're using 40 Mb of RAM, a...
Multiple Updates in MySQL
...has new records then i will end up inserting only the ids and count except all other information. if and only if there is an entry for the id then it should update else it should skip. what shall i do?
– Jayapal Chandran
Aug 30 '10 at 13:30
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