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CORS - How do 'preflight' an httprequest?
...ilter to catch these preflight requests //cors and preflight filtering app.all('*', function(req, res, next){.. //preflight needs to return exact request-header res.set('Access-Control-Allow-Headers', req.headers['access-control-request-headers']); if ('OPTIONS' == req.method) return...
Ruby on Rails console is hanging when loading
... (rake, bin/rails, etc.) after deleting and recreating a new Ruby on Rails application. Google wasn't that helpful. I hope this is.
Spring will start automatically when you re-run your command.
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Android: create a popup that has multiple selection options
...s for specific item selections? Example: I want to let the user change the app language by clicking one of those items (probably using if statement).
– Arda Çebi
Feb 7 '18 at 20:11
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Hex representation of a color with alpha channel?
... use this syntax. See Chromium Issue 618472 and Webkit bug 150853.
Android Apps that target Android P or newer can use this syntax
Opera supports this syntax in Opera 52 (or Opera 39 when experimental web features are enabled).
IE 11 and EdgeHTML 18 (Edge 44) do not support this syntax. Chromium-bas...
Detecting a redirect in ajax request?
...r, I thought I'd post a workaround I came up with:
I configured my server app to set a custom response header (X-Response-Url) containing the url that was requested. Whenever my ajax code receives a response, it checks if xhr.getResponseHeader("x-response-url") is defined, in which case it compares...
CSS performance relative to translateZ(0)
...ain English, this means that fixed position elements with a transformation applied to them will act more like absolutely positioned elements, and z-index values are likely to get screwed with.
If you take a look at this demo, you'll see what I mean. The second div has a transformation applied to it...
Adding devices to team provisioning profile
...orked for me:
Login to your iphone provisioning portal through developer.apple.com
Add the UDID in devices
Go back to XCode, open up the Organizer and select "Provisioning Profiles", ensure that "Automatic Device Provisioning" is checked on the top right pane, then click on the "Refresh" button,...
How to add items to a spinner in Android?
... only one that worked for me. Thank you so much!
– snapplex
Feb 7 '14 at 23:42
Glad to help you @snapplex ;)
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How do I add a newline to a TextView in Android?
...nswered Apr 30 '12 at 5:35
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How do I get Windows to go as fast as Linux for compiling C++?
...le-file lookup times, with a btree structure. In Linux (last I looked), an app can read an entire folder with a single system call, and iterate through the resulting structure entirely in user code; Windows requires a separate sys call for each file. Either way, compilers shouldn't need to read the ...