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What are copy elision and return value optimization?
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255
Introduction
For a technical overview - skip to this answer.
For common cases where copy elisio...
How to list all the available keyspaces in Cassandra?
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15 Answers
15
Active
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How to unload a package without restarting R
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685
Try this (see ?detach for more details):
detach("package:vegan", unload=TRUE)
It is possibl...
How can I test if a letter in a string is uppercase or lowercase using JavaScript?
...c. making the result a false result.
example using josh
var character = '5';
if (character == character.toUpperCase()) {
alert ('upper case true');
}
if (character == character.toLowerCase()){
alert ('lower case true');
}
another way is to test it first if it is numeric, else test it if upper ...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
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edited Sep 23 '15 at 11:46
Nakilon
31.1k1212 gold badges9494 silver badges125125 bronze badges
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YYYY-MM-DD format date in shell script
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edited Jul 12 '19 at 11:53
flindeberg
4,38311 gold badge1919 silver badges3535 bronze badges
answered ...
How can I quickly delete a line in VIM starting at the cursor position?
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435
(Edited to include commenter's good additions:)
D or its equivalent d$ will delete the rest of ...
Determine the process pid listening on a certain port
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125
The -p flag of netstat gives you PID of the process:
netstat -l -p
Edit: The command that is ...
Does Java 8 provide a good way to repeat a value or function?
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5 Answers
5
Active
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Merge multiple lines (two blocks) in Vim
... that's not what you want.
If you want to do this with just Ex commands
:5,8del | let l=split(@") | 1,4s/$/\=remove(l,0)/
will transform
work it
make it
do it
makes us
harder
better
faster
stronger
~
into
work it harder
make it better
do it faster
makes us stronger
~
UPDATE: An answe...