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How to use null in switch

...d that: The prohibition against using null as a switch label prevents one from writing code that can never be executed. If the switch expression is of a reference type, such as a boxed primitive type or an enum, a run-time error will occur if the expression evaluates to null at run-time. You must ...
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UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to

...so tried with other encoding but all in vain. In this code I am also using from geotext import GeoText. Please suggest a solution. – Salah Jun 4 '18 at 14:37 ...
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How to play audio?

... Notice that from april 2018 on Chrome will not play audio files unless the user has at least clicked once in the document. See here. – Nils Lindemann Aug 27 '18 at 21:46 ...
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Why are Objective-C delegates usually given the property assign instead of retain?

...will end up sending messages to the dead delegate. If you're staying away from ARC for some reason, at least change assign properties that point to objects to unsafe_unretained, which make explicit that this is an unretained but non-zeroing reference to an object. assign remains appropriate for no...
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What does the “assert” keyword do? [duplicate]

... should we remove code containing assert from production code ? – Qbik Jul 4 '16 at 15:48  |  show 2 more co...
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How to make a window always stay on top in .Net?

...rd, crazy. I want to implement a cancel button that will stop the process from running, but I cannot seem to get the window to stay on top. How do I do this in C#? ...
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ArrayList vs List in C#

...class. It supports storing values of a specific type without casting to or from object (which would have incurred boxing/unboxing overhead when T is a value type in the ArrayList case). ArrayList simply stores object references. As a generic collection, List<T> implements the generic IEnumerab...
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Yank file name / path of current buffer in Vim

...been deleted or copied (yanked), likewise when you paste it reads the text from this register. Using let we can manually store text in the register using :let @" = "text" but we can also store the result of an expression. In the above example we use the function expand which expands wildcards and ...
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POST JSON fails with 415 Unsupported media type, Spring 3 mvc

...eader is used by @RequestBody to determine what format the data being sent from the client in the request is. The accept header is used by @ResponseBody to determine what format to sent the data back to the client in the response. That's why you need both headers. ...
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How do I run a Ruby file in a Rails environment?

... @VijaySali I assume that you are running your script from the app/script directory. The environment file will be taken from the individual app. – iltempo May 5 '14 at 13:11 ...