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Removing duplicate rows from table in Oracle
...gentid, class , status, terminationdate
order by rowid) rn
from t)
where rn <> 1);
(fixed the missing parenthesis)
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How to retrieve the first word of the output of a command in bash?
... way is the use of bash arrays:
array=( $string ) # do not use quotes in order to allow word expansion
echo ${array[0]} # You can retrieve any word. Index runs from 0 to length-1
Also, you can directly read arrays in a pipe-line:
echo "word1 word2" | while read -a array; do echo "${array[0]}" ...
How to enable local network users to access my WAMP sites?
....
#
# Require all granted
# onlineoffline tag - don't remove
Order Deny,Allow
Deny from all
Allow from 127.0.0.1
Allow from ::1
Allow from localhost
</Directory>
Now assuming your local network subnet uses the address range 192.168.0.?
Add this line after All...
Remove duplicate values from JS array [duplicate]
...
}
This chunk of ugly code does the same as the snippet #3 above, but an order of magnitude faster (as of 2017 it's only twice as fast - JS core folks are doing a great job!)
function uniq(a) {
var seen = {};
return a.filter(function(item) {
return seen.hasOwnProperty(item)...
What is difference between Errors and Exceptions? [duplicate]
...ions. These are those exceptions that might not happen if everything is in order, but they do occur. Examples include ArrayIndexOutOfBoundException, ClassCastException, etc. Many applications will use try-catch or throws clause for RuntimeExceptions & their subclasses but from the language persp...
Remove redundant paths from $PATH variable
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Here is a one line code that cleans up the PATH
It does not disturb the order of the PATH, just removes duplicates
Treats : and empth PATH gracefully
No special characters used, so does not require escape
Uses /bin/awk so it works even when PATH is broken
export PATH="$(echo "$PATH" |/bi...
In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to connect to Mysql Server inside VirtualBox Vagrant?
...t options"
Default options are read from the following files in the given order: /etc/my.cnf /etc/mysql/my.cnf ~/.my.cnf
On Ubuntu 16, the path is typically /etc/mysql/mysql.conf.d/mysqld.cnf
Change configuration file for bind-address:
If it exists, change the value as follows. If it doesn't ex...
Android Studio says “cannot resolve symbol” but project compiles
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Try changing the order of dependencies in File > Project Structure > (select your project) > Dependencies.
Invalidate Caches didn't work for me, but moving my build from the bottom of the list to the top did.
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How to stop mongo DB in one command
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I believe the order for service is sudo service mongodb [start|stop|restart|status]. sudo service stop mongodb results in: stop: unrecognized service
– jacob
Jul 12 '13 at 16:21
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