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AsyncTask and error handling on Android

...ing." When you get an exception, store the exception (or some other error-string/code) in this variable. When onPostExecute is called, see if this instance-variable is set to some error. If so, show an error message." (From the user "Streets of Boston" groups.google.com/group/android-developers...
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ExpressJS How to structure an application?

...nything that can cleanly be separated out from your app entirely should be extracted into a module either for internal use or publicly published on npm. However, for the medium-sized applications that are the scope here, the overhead of this can add tedium to your workflow without commensurate value...
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When would you use the Builder Pattern? [closed]

... .NET StringBuilder class is a great example of builder pattern. It is mostly used to create a string in a series of steps. The final result you get on doing ToString() is always a string but the creation of that string varies acco...
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What is the difference between a field and a property?

...ield. It is private to your class and stores the actual data. private string _myField; // this is a property. When accessed it uses the underlying field, // but only exposes the contract, which will not be affected by the underlying field public string MyProperty { get ...
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File uploading with Express 4.0: req.files undefined

...use this tutorial uses 3.4.8 and can upload files without the need for any extra middleware blog.robertonodi.me/simple-image-upload-with-express – thetrystero Jun 24 '16 at 7:13 ...
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Are the days of passing const std::string & as a parameter over?

...Herb Sutter who suggested that the reasons to pass std::vector and std::string by const & are largely gone. He suggested that writing a function such as the following is now preferable: ...
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Table Header Views in StoryBoards

...heightForHeaderInSection:(NSInteger)section code otherwise I'd end up with extra space above the header view itself. Also, in order for this header to "stick" at the top of the table view, I had to implement viewForHeaderInSection:(NSInteger)section and return this view. – ozz ...
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How to get current location in Android [duplicate]

... You may also need @Override public void onStatusChanged(String provider, int status, Bundle extras) { } @Override public void onProviderEnabled(String provider) { } @Override public void onProviderDisabled(String provider) { } – Ege K...
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How to get the text node of an element?

... possible iterations. Comparing two small numbers is better than comparing strings of various lengths (time and space considerations). The correct question to ask in this situation is "what kind / type of node do I have?", and not "what name do I have?" developer.mozilla.org/en-US/docs/Web/API/Node/...
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Jquery - How to make $.post() use contentType=application/json?

... @PavelRepin, I had to call JSON.stringify() on the payload. – Ustaman Sangat Apr 30 '12 at 23:41 2 ...