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Which parts of Real World Haskell are now obsolete or considered bad practice?

..., you should also use the accompanying deallocation function. Chapter 19. Error handling Error handling changed completely from 6.8 to 6.10, but you noticed that already. Better read the documentation. Chapter 22. Extended Example: Web Client Programming Some of the example seem to be broken. Al...
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and

...ol Buffers always explicitly encodes fields by numbers, and it is never an error at the library level if there are extra fields, and missing fields are not an error if they are marked optional or explicit. Thus all protocol buffers messages have EXTENSIBILITY IMPLIED. – Kevin C...
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Sending files using POST with HttpURLConnection

... PS: According to this, ` [error] => 3` means that "the uploaded file was only partially uploaded", so I can assume that there are some buffering issues, but I have no idea how to debug / fix something like this. – Mihai Todor ...
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performSelector may cause a leak because its selector is unknown

... The "Complex Example" gives an error Cannot initialize a variable of type 'CGRect (*)(__strong id, SEL, CGRect, UIView *__strong)' with an rvalue of type 'void *' when using latest Xcode. (5.1.1) Still, I learned a lot! – Stan James ...
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ASP.NET MVC View Engine Comparison

...data model is essentially just string-concatenation, so syntax and nesting errors are neither statically nor dynamically detected, though VS.NET design-time help mitigates this somewhat. Maintainability and refactorability can suffer due to this. No documented API, http://msdn.microsoft.com/en-us/l...
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C++11 rvalues and move semantics confusion (return statement)

..._ref = return_vector(); In the second example you have created a run time error. rval_ref now holds a reference to the destructed tmp inside the function. With any luck, this code would immediately crash. Third example std::vector<int> return_vector(void) { std::vector<int> tmp {1...
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Why can't the C# constructor infer type?

...d not be unambiguously determined which was intended then we could give an error. This is the same as any other overload resolution problem; if insufficient information is supplied then we simply give an error. – Eric Lippert Aug 25 '10 at 21:32 ...
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In Visual Studio C++, what are the memory allocation representations?

...loc(LMEM_FIXED) to mark uninitialised allocated heap memory * 0xBADCAB1E : Error Code returned to the Microsoft eVC debugger when connection is severed to the debugger * 0xBEEFCACE : Used by Microsoft .NET as a magic number in resource files * 0xCCCCCCCC : Used by Microsoft's C++ debugging runtime l...
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What are the rules for evaluation order in Java?

...e sensible in Java and C# here: https://ericlippert.com/2019/01/18/indexer-error-cases/) Precedence and associativity only tell us that the assignment of zero to b must happen before the assignment to a[b], because the assignment of zero computes the value that is assigned in the indexing operation...
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“To Do” list before publishing Android app to market [closed]

...e to the user that something wrong happened. In the meantime, retrieve the error with Crashlytics or something similar. Don't use too much .jar libraries, prefer library projects (optimize the code size) and add them using gradle. Prefer using vector images since it will reduce APK size and fit corr...