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Missing return statement in a non-void method compiles

I encountered a situation where a non-void method is missing a return statement and the code still compiles. I know that the statements after the while loop are unreachable (dead code) and would never be executed. But why doesn't the compiler even warn about returning something? Or why would a...
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php $_POST array empty upon form submission

... a Form, but came here looking for answers for similar issue when POSTing with JSON content-type. Found the answer and wanted to share it as it cost me much time. When using JSON content-type the $_POST array will not populate (only with multi-part forms I believe) Here is what did work to correct...
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Convert base class to derived class [duplicate]

Is it possible in C# to explicitly convert a base class object to one of it's derived classes? Currently thinking I have to create a constructor for my derived classes that accept a base class object as a parameter and copy over the property values. I don't really like this idea, so I'd like to avoi...
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NodeJS: Saving a base64-encoded image to disk

...is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data". ...
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Prevent Android activity dialog from closing on outside touch

I have an activity that is using the Theme.Dialog style such that it is a floating window over another activity. However, when I click outside the dialog window (on the background activity), the dialog closes. How can I stop this behaviour? ...
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How to style a checkbox using CSS

...The below answer references the state of things before widespread availability of CSS 3. In modern browsers (including Internet Explorer 9 and later) it is more straightforward to create checkbox replacements with your preferred styling, without using JavaScript. Here are some useful links: Crea...
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HTTP Content-Type Header and JSON

... is just used as info for your application. The browser doesn't care what it is. The browser just returns you the data from the AJAX call. If you want to parse it as JSON, you need to do that on your own. The header is there so your app can detect what data was returned and how it should handle ...
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svn: replace trunk with branch

What is the best way to make one of the branches of a subversion repository the new trunk? 8 Answers ...
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LINQ Contains Case Insensitive

This code is case sensitive, how to make it case insensitive? 11 Answers 11 ...
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What do 'lazy' and 'greedy' mean in the context of regular expressions?

...ressions.info/repeat.html we see the example of trying to match HTML tags with <.+>. Suppose you have the following: <em>Hello World</em> You may think that <.+> (. means any non newline character and + means one or more) would only match the <em> and the </em>...