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What does “javascript:void(0)” mean?
...d want to do this with the href of a link is that normally, a javascript: URL will redirect the browser to a plain text version of the result of evaluating that JavaScript. But if the result is undefined, then the browser stays on the same page. void(0) is just a short and simple script that evaluat...
Website screenshots
...creenshot.. If you do want accurate screenshots check my answer which uses urlbox
– cjroebuck
Apr 27 '17 at 8:49
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List submodules in a Git repository
...ly, look at .gitmodules. This files enumerates each submodule path and the URL it refers to.
For example, from root of repository, cat .gitmodules will print contents to the screen (assuming you have cat).
Because .gitmodule files have the Git configuration format, you can use git config to parse ...
Redirecting to previous page after authentication in node.js using passport.js
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In your ensureAuthenticated method save the return url in the session like this:
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req.session.returnTo = req.originalUrl;
res.redirect('/login');
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Then you can update your passport.authenticate route to something like:
app.get('/auth/google/return', passport.authe...
Why are dashes preferred for CSS selectors / HTML attributes?
... Dashes.) For this reason, I know that my preference now for creating page URLs is to use-words-with-dashes, and for me at least, this has bled into my naming conventions for other things, like CSS selectors.
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How do I convert an existing callback API to promises?
...quest = require('request'); //http wrapped module
function requestWrapper(url, callback) {
request.get(url, function (err, response) {
if (err) {
callback(err);
}else{
callback(null, response);
}
})
}
requestWrapper(url, function (err, ...
Transmitting newline character “\n”
Given the following URL (working, try it!)
4 Answers
4
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How do PHP sessions work? (not “how are they used?”)
... array.
Sometimes, the session id is not stored in a cookie, but sent in URLs, too -- but that's quite rare, nowadays.
For more informations, you can take a look at the Session Handling section of the manual, that gives some useful informations.
For instance, there is a page about Passing the S...
Stretch and scale a CSS image in the background - with CSS only
...ke people do is to put the background image in the css (ie by background : url("example.png");) and then use the css attribute background-size:100%; beneath it to hopefully scale the image to screen width. This will not work, Will it? If you wish to put a background image for the body then an image ...
NodeJS / Express: what is “app.use”?
...he first argument to app.use()) allows the pipeline to branch depending on URL
– slebetman
Sep 17 '19 at 6:18
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