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Repeating characters in VIM insert mode
... There's also the :normal command which lets you issue them from the command prompt. Occasionally quite useful.
– Mark Reed
Sep 3 '15 at 19:31
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Use grep to report back only line numbers
...her than using grep to get the entire matching line and then removing that from the output with cut or another tool. For completeness, you can also use Perl:
perl -nE '/pattern/ && say $.' filename
or Ruby:
ruby -ne 'puts $. if /pattern/' filename
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How to specify HTTP error code?
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From what I saw in Express 4.0 this works for me. This is example of authentication required middleware.
function apiDemandLoggedIn(req, res, next) {
// if user is authenticated in the session, carry on
console.log(...
How to create a responsive image that also scales up in Bootstrap 3
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
Not the answer you're looking for? Browse other questions t...
node.js, Error: Cannot find module 'express'
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npm install from within your app directory will fix the issue as it will install everything required
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How to set delay in android?
...r (secs*1000) milliseconds.
}
}
Usage:
// Call this method directly from java file
int secs = 2; // Delay in seconds
Utils.delay(secs, new Utils.DelayCallback() {
@Override
public void afterDelay() {
// Do something after delay
}
});
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How to search for file names in Visual Studio?
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Just for anyone else landing on this page from Google or elsewhere, this answer is probably the best answer out of all of them.
To summarize, simply hit:
CTRL + ,
And then start typing the file name.
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Print string and variable contents on the same line in R
... and it's currently the third ranked answer. sprintf() is not a good idea. From R documentation:
The format string is passed down the OS's sprintf function, and incorrect formats can cause the latter to crash the R process.
There is no good reason to use sprintf() over cat or other options.
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jQuery: Wait/Delay 1 second without executing code
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really nice using the approximate time from the original question to this answer
– Fuzzybear
Nov 30 '18 at 17:13
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How do I fix the “You don't have write permissions into the /usr/bin directory” error when installin
...ils installed with gem profiles and basically keep all your gems contained from one another. You may want to check out a similar post How can I install Ruby on Rails 3 on OSX
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