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What are “res” and “req” parameters in Express functions?

...e named anything. You could change that code to this if it's more clear: app.get('/user/:id', function(request, response){ response.send('user ' + request.params.id); }); Edit: Say you have this method: app.get('/people.json', function(request, response) { }); The request will be an object...
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Yes/No message box using QMessageBox

...uestion for that. Example in a hypothetical widget's slot: #include <QApplication> #include <QMessageBox> #include <QDebug> // ... void MyWidget::someSlot() { QMessageBox::StandardButton reply; reply = QMessageBox::question(this, "Test", "Quit?", ...
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Django dynamic model fields

I'm working on a multi-tenanted application in which some users can define their own data fields (via the admin) to collect additional data in forms and report on the data. The latter bit makes JSONField not a great option, so instead I have the following solution: ...
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MIT官方已升级至2.71版本,几乎就是仅增加一个全新主题 - App Inventor 2 ...

...n versions 2.71 (from Google Play) and 2.71u (directly downloaded from MIT App Inventor). Features: New user interface. Go to Settings > User Interface Settings > Neo to try it out ChatBot component adds a new block, ConverseWithImage to ask questions about images (API key needs payment...
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SecurityException: Permission denied (missing INTERNET permission?)

...I believe this post can still be worth reading as general problem analysis approach example. Exception you are getting (SecurityException: Permission denied (missing INTERNET permission?)), clearly indicates that you are not allowed to do networking. That's pretty indisputable fact. But how can t...
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What does 'useLegacyV2RuntimeActivationPolicy' do in the .NET 4 config?

...ime without additional configuration information. [Snip] The good news for applications is that you have the option of falling back to .NET 2.0 era binding for these assemblies by setting an app.config flag like so: <startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRuntime ver...
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Unauthorised webapi call returning login page rather than 401

...orizeAttribute will redirect to the login page. Updated 11/26/2013 So it appears things have drastically changed with MVC 5 as Brock Allen pointed out in his article. I guess the OWIN pipeline takes over and introduces some new behavior. Now when the user is not authorized a status of 200 is re...
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What is the parameter “next” used for in Express?

... given, and assign it to req.user. Below, you could have a route 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 somethi...
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Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet

...andlers.wsgi import WSGIHandler os.environ['DJANGO_SETTINGS_MODULE'] = 'myapp.settings' application = WSGIHandler() When I updated to the 1.7 style WSGI handler: import os from django.core.wsgi import get_wsgi_application os.environ['DJANGO_SETTINGS_MODULE'] = 'myapp.settings' application = ge...
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Singletons vs. Application Context in Android?

... problems of using singletons and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Application and obtaining it through context.get...