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How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
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Check out the example from enable-cors.org:
In your ExpressJS app on node.js, do the following with your routes:
app.all('/', function(req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "X-Requested-With");
next();
});
a...
Embedding Python in an iPhone app
So it's a new millennium; Apple has waved their hand; it's now legal to include a Python interpreter in an iPhone (App Store) app.
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Differences between Intent and PendingIntent
...ge from one component to another component either inside or outside of the application. Intents can communicate messages among any of the three core components of an application -- Activities, Services, and BroadcastReceivers.
The intent itself, an Intent object, is a passive data structure. It hol...
Backwards migration with Django South
...e number of the migration just before the one you want to roll back.
Your app should have a migrations directory, with files in it named like
0000_initial.py
0001_added_some_fields.py
0002_added_some_more_fields.py
0003_deleted_some_stuff.py
Normally, when you run ./manage.py migrate your_app, S...
Cannot generate iOS App archive in xcode
I have a problem generating a iOS App archive from an application. The application compiles just fine and even works in the simulator. Now I wanted to make som ad hoc testing and cannot generate the iOS App Archive. When I click on the Product -> Archive it generates a generic xcode archive. Can an...
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]
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All apps will continue to work in the vertically stretched screen from what I could tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black.
If you only plan to sup...
How to add ASP.NET 4.0 as Application Pool on IIS 7, Windows 7
...development project to Windows 7.
One of the things that I need to run the application is to select ASP.NET v4.0 as the application pool within IIS.
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Impossible to Install PG gem on my mac with Mavericks
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If you want to avoid using MacPorts, you can download the Postgres App and place it into the Application directory.
Then, specify the location of newly downloaded pg_config:
gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/latest/bin/pg_config
If you run i...
What is a provisioning profile used for when developing iPhone applications?
...e of a provisioning profile and why is it needed when developing an iPhone application? If I don't have a provisioning profile, what happens?
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做了个购物清单App后，我才真正搞懂App Inventor 2的变量 - App应用开发 - ...
做了个购物清单App后，我才真正搞懂App Inventor 2的变量
上个月教侄子学App开发，他一脸困惑："变量不就是装东西的盒子吗？为什么我的App总是显示旧数据？"
这让我想起自己刚接触App Inventor 2时的困惑——全局变量、...