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XmlSerializer giving FileNotFoundException at constructor

An application I've been working with is failing when I try to serialize types. 18 Answers ...
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Retrieving the last record in each group - MySQL

There is a table messages that contains data as shown below: 27 Answers 27 ...
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Why `null >= 0 && null

...o write a routine that increments the value of a variable by 1 if its type is number and assigns 0 to the variable if not, where the variable is initially null or undefined . ...
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Python assigning multiple variables to same value? list behavior

...bles, but I got confused by the behavior, I expect to reassign the values list separately, I mean b[0] and c[0] equal 0 as before. ...
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Thou shalt not inherit from std::vector

Ok, this is really difficult to confess, but I do have a strong temptation at the moment to inherit from std::vector . 13...
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Null coalescing in powershell

Is there a null coalescing operator in powershell? 10 Answers 10 ...
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nuget 'packages' element is not declared warning

...ut when using nuget in a project, it creates a packages.config file with this shape 7 Answers ...
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How can I check if a value is a json object?

My server side code returns a value which is a json object on success and a string 'false' on failure. Now how can I check whether the returned value is a json object? ...
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Conditional Variable vs Semaphore

...e used for mutual exclusion. When you want to ensure that a piece of code is atomic, put a lock around it. You could theoretically use a binary semaphore to do this, but that's a special case. Semaphores and condition variables build on top of the mutual exclusion provide by locks and are used fo...
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How to know if an object has an attribute in Python

Is there a way in Python to determine if an object has some attribute? For example: 14 Answers ...