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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...
How do I load the contents of a text file into a javascript variable?
... Inside an async function, you can do const text = await fetch(url).then($ => $.text()) to flatten out the callback.
– Carl Smith
Aug 10 at 2:02
add a comment
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How to check that an object is empty in PHP?
...ent:
If by empty you mean has no properties:
$obj = simplexml_load_file($url);
if ( !$obj->count() )
{
// no properties
}
OR
$obj = simplexml_load_file($url);
if ( !(array)$obj )
{
// empty array
}
If SimpleXMLElement is one level deep, and by empty you actually mean that it only h...
Resource interpreted as Document but transferred with MIME type application/zip
...ess it as a 'Document'. It's probably also worth pointing out that the zip URL is dynamic in my app, so it's nothing to do with caching.
– Ashley Williams
Jul 5 '11 at 19:01
...
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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show 1 more comment
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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.
share
...
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, ...
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
...
In your ensureAuthenticated method save the return url in the session like this:
...
req.session.returnTo = req.originalUrl;
res.redirect('/login');
...
Then you can update your passport.authenticate route to something like:
app.get('/auth/google/return', passport.authe...
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...