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What is the parameter “next” used for in Express?
...e like:
app.get('/users', function(req, res) {
// check for and maybe do something with req.user
});
Since /users/123 will match the route in your example first, that will first check and find user 123; then /users can do something with the result of that.
Route middleware is a more flexible...
How do I select elements of an array given condition?
...ions occur in the intended order and the results are all well-defined. See docs here.
– calavicci
Nov 16 '17 at 17:58
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How do I wrap a selection with an HTML tag in Visual Studio?
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doesn't work for me in VS 2017. I think this only works if you have web essentials.
– RayLoveless
Aug 17 '17 at 19:23
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Reset local repository branch to be just like remote repository HEAD
How do I reset my local branch to be just like the branch on the remote repository?
21 Answers
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Replace whitespaces with tabs in linux
How do I replace whitespaces with tabs in linux in a given text file?
10 Answers
10
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How to process each line received as a result of grep command
...while/read loop.
Something like:
grep xyz abc.txt | while read -r line ; do
echo "Processing $line"
# your code goes here
done
There are variations on this scheme depending on exactly what you're after.
If you need to change variables inside the loop (and have that change be visible out...
How do I remove repeated elements from ArrayList?
...t<String> , and I want to remove repeated strings from it. How can I do this?
38 Answers
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Is multiplication and division using shift operators in C actually faster?
...instruction as a sequence of shifts & adds in microcode.
Bottom line--don't spend a lot of time worrying about this. If you mean to shift, shift. If you mean to multiply, multiply. Do what is semantically clearest--your coworkers will thank you later. Or, more likely, curse you later if you...
rails - Devise - Handling - devise_error_messages
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I just tried this but that doesn't work. The goal is to get the error to output here: <% flash.each do |key, value| %>
– AnApprentice
May 26 '11 at 18:00
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How to apply shell command to each line of a command output?
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ls automatically does -1 in a pipe.
– Paused until further notice.
Apr 26 '10 at 3:48
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