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How to include external Python code to use in other files?
...dostuff)
if __name__ == "__main__":
dostuff()
And from the another script or the python console
import teststuff
exec(DOSTUFF_SOURCE)
dostuff()
And now dostuff should be in the local scope and dostuff() will return the console or scripts _name_ whereas executing test.dostuff() will retu...
“unary operator expected” error in Bash if condition
...
Someone bequeathed this bug to me in a build script. Saved me some time, thanks!
– Kyle
Aug 1 '18 at 19:05
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Rails 3 execute custom sql query without a model
I need to write a standalone ruby script that is supposed to deal with database. I used code given below in rails 3
5 Answe...
Command to change the default home directory of a user
...hing through symlinks (apache, ftpd, etc.).
You have to remember (or init script) to bind upon restarts, of course.
An example init script in /etc/fstab is
/extra-home/username /home/username none defaults,bind 0 0
share...
How to pipe input to a Bash while loop and preserve variables after loop ends
...nd in the current shell environment.
Thus, using something like this in a script makes the modfied sum available after the loop:
FILECONTENT="12 Name
13 Number
14 Information"
shopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name;...
Ruby, Difference between exec, system and %x() or Backticks
... interpolation.
exec
By using Kernel#exec the current process (your Ruby script) is replaced with the process invoked through exec. The method can take a string as argument. In this case the string will be subject to shell expansion. When using more than one argument, then the first one is used to...
Rebasing a branch including all its children
... branch" command output a star before the current branch, screwing up this script if one of the branches to rebase is currently checked out?
– Mark Lodato
Dec 20 '12 at 21:38
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difference between offsetHeight and clientHeight
In the javascript dom - what is the difference between offsetHeight and clientHeight of an element?
2 Answers
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Difference between \A \z and ^ $ in Ruby regular expressions
...ne character, which means they could use an email like me@example.com\n<script>dangerous_stuff();</script> and still have it validate, since the regex only sees everything before the \n.
My recommendation would just be completely stripping new lines from a username or email beforehand, ...
jQuery - get a list of values of an attribute from elements of a class
...ort: caniuse.com/#search=arrow) to build the array with a little plain javascript: $(".object").get().map(x => x.getAttribute('level'));
– elPastor
Feb 26 '19 at 13:00
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