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\d is less efficient than [0-9]
I made a comment yesterday on an answer where someone had used [0123456789] in a regular expression rather than [0-9] or \d . I said it was probably more efficient to use a range or digit specifier than a character set.
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NPM/Bower/Composer - differences?
Can someone explain to me the difference between NPM , Bower and Composer .
1 Answer
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Is there any overhead to declaring a variable within a loop? (C++)
...t wondering if there would be any loss of speed or efficiency if you did something like this:
13 Answers
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Change bootstrap navbar collapse breakpoint without using LESS
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You have to write a specific media query for this, from your question, below 768px, the navbar will collapse, so apply it above 768px and below 1000px, just like that:
@media (min-width: 768px) and (max-width: 1000px) {
.collapse {
display: no...
Including jars in classpath on commandline (javac or apt)
... service stuff I need to run apt. (Although using javac I am having the same issue). I think what I am getting is compile errors. (Shown at bottom).
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What are the differences between numpy arrays and matrices? Which one should I use?
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As per the official documents, it's not anymore advisable to use matrix class since it will be removed in the future.
https://numpy.org/doc/stable/reference/generated/numpy.matrix.html
As other answers already state that you can achieve all the op...
How to use multiple arguments for awk with a shebang (i.e. #!)?
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This seems to work for me with (g)awk.
#!/bin/sh
arbitrary_long_name==0 "exec" "/usr/bin/gawk" "--re-interval" "-f" "$0" "$@"
# The real awk program starts here
{ print $0 }
Note the #! runs /bin/sh, so this script is first interpreted as a sh...
How to manage a redirect request after a jQuery Ajax call
...post() to call a servlet using Ajax and then using the resulting HTML fragment to replace a div element in the user's current page. However, if the session times out, the server sends a redirect directive to send the user to the login page. In this case, jQuery is replacing the div element with...
error upon assigning Layout: BoxLayout can't be shared
I have this Java JFrame class, in which I want to use a boxlayout, but I get an error saying java.awt.AWTError: BoxLayout can't be shared . I've seen others with this problem, but they solved it by creating the boxlayout on the contentpane, but that is what I'm doing here. Here's my code:
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How to determine the first and last iteration in a foreach loop?
...bish as using array_shift and array_pop. Though this is the solution I'd came up if I had to implement such a thing, I'd stick with the Rok Kralj's answer now on.
– shadyyx
May 15 '13 at 14:27
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