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How can I deploy an iPhone application from Xcode to a real iPhone device?

...or this change to take effect. And if you're on iOS 5, that's it! Try it now! It may not allow debugging, but the app will be there! I was very surprised by this because, as you should know, I've got no idea on what all those hackings are all about! All I did was improving a little bit what I fou...
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NodeJS / Express: what is “app.use”?

...t has a middleware stack that can be customized in app.configure()(this is now deprecated in version 4.x). To setup your middleware, you can invoke app.use(<specific_middleware_layer_here>) for every middleware layer that you want to add (it can be generic to all paths, or triggered only on ...
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What does “error: option --single-version-externally-managed not recognized” indicate?

...ding PyObjC and astropy ). I've never seen this error before, but it's now also showing up on travis-ci builds for which nothing has changed. ...
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Running a specific test case in Django when your app has a tests directory

...t notation for the element you want to run. Automatic test discovery will now find tests in any file that starts with test under the working directory, so addressing the question you would have to rename your files, but you can now keep them inside the directory you want. If you want to use custom ...
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How to rename a single column in a data.frame?

I know if I have a data frame with more than 1 column, I can use 20 Answers 20 ...
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How and when to use ‘async’ and ‘await’

...t need the result of LongRunningOperationAsync can be done here //and now we call await on the task int result = await longRunningTask; //use the result Console.WriteLine(result); } public async Task<int> LongRunningOperationAsync() // assume we return an int from this long...
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Making interface implementations async

...Async(); IIO asSync = asAsync; Console.WriteLine(DateTime.Now.Second); asAsync.DoOperation(); Console.WriteLine("After call to sync func using Async iface: {0}", DateTime.Now.Second); asAsync.DoOperationAsync().GetAwaiter().GetResult(); ...
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Why not inherit from List?

...st<Player> while you're at it, unless you believe that everyone who knows about a football team gets to delete players from the roster. Is inheriting from List<T> always unacceptable? Unacceptable to who? Me? No. When is it acceptable? When you're building a mechanism that ...
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jQuery find events handlers registered with an object

...e from the "public API" for data. Read this jQuery blog post. You should now use this instead: jQuery._data( elem, "events" ); elem should be an HTML Element, not a jQuery object, or selector. Please note, that this is an internal, 'private' structure, and shouldn't be modified. Use this for ...
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Loading Backbone and Underscore using RequireJS

... RequireJS 2.X now organically addresses non-AMD modules such as Backbone & Underscore much better, using the new shim configuration. The shim configuration is simple to use: (1) one states the dependencies (deps), if any, (which may...