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Disable password authentication for SSH [closed]
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Here's a script to do this automatically
# Only allow key based logins
sed -n 'H;${x;s/\#PasswordAuthentication yes/PasswordAuthentication no/;p;}' /etc/ssh/sshd_config > tmp_sshd_config
cat tmp_sshd_config > /etc/ssh/sshd_config
rm tmp_sshd_config
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A regular expression to exclude a word/string
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I confirm Mark's reMark ;) - for example, Pycharm is Java-based, isn't it? So, considering regexes in Pycharm search Alix's solution works, the other does not.
– fanny
Sep 16 '16 at 14:13
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count(*) vs count(column-name) - which is more correct? [duplicate]
...s a non-null expressions
Your use of COUNT(*) or COUNT(column) should be based on the desired output only.
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Is there a properly tested alternative to Select2 or Chosen? [closed]
... possible alternative is bootstrap-multiselect
"JQuery multiselect plugin based on Twitter Bootstrap"
Examples and documentation: http://davidstutz.github.io/bootstrap-multiselect/
The repository does not contain any automated tests, manual tests instead
Themed using Bootstrap 3
JavaScript sourc...
How can I prevent SQL injection in PHP?
...d queries. These are SQL statements that are sent to and parsed by the database server separately from any parameters. This way it is impossible for an attacker to inject malicious SQL.
You basically have two options to achieve this:
Using PDO (for any supported database driver):
$stmt = $pdo-&g...
How do I select an element with its name attribute in jQuery? [duplicate]
...+ '"]',
document.getElementById('searcharea')); // with a search base
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Multiprocessing - Pipe vs Queue
...ow you to increase the size of a file, but the maximum size allowed varies based on system configurations. You should therefore never rely on Pipe() to buffer data. Calls to connection.send could block until data gets read from the pipe somehwere else.
In conclusion, Queue is a better choice than ...
How to go back (ctrl+z) in vi/vim
...esent, but the value added of my answer is redo as Ctrl + r (lower case r) based on the documentation. Nobody before put it here. In addition, I tried to make the answer as clearly as possible.
– simhumileco
Mar 22 '19 at 2:36
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Different types of thread-safe Sets in Java
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On ConcurrentHashMap based set, "thus try to avoid this by estimating the needed size on creation." The size you give to the map should be over 33% larger than your estimate (or known value), since the set resizes at 75% load. I use expectedSize ...
Remove plot axis values
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Using base graphics, the standard way to do this is to use axes=FALSE, then create your own axes using Axis (or axis). For example,
x <- 1:20
y <- runif(20)
plot(x, y, axes=FALSE, frame.plot=TRUE)
Axis(side=1, labels=FALSE)...