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Serializing object that contains cyclic object value

...e will come here for is debugging their circular objects and there's not really a great way to do that without pulling in a bunch of code, here goes. One feature that's not as well-known as JSON.stringify() is console.table(). Simply call console.table(whatever);, and it will log the variable in the...
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Cleanest way to get last item from Python iterator

...specific default value could even be correct? If the iterator doesn't actually iterate, then an out-of-band value is more meaningful than some misleading function-specific default. – S.Lott Jan 26 '10 at 11:44 ...
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What is the proper way to re-attach detached objects in Hibernate?

...e to the DB, and overwrite any intervening updates. refresh() cannot be called on a detached entity. lock() cannot be called on a detached entity, and even if it could, and it did reattach the entity, calling 'lock' with argument 'LockMode.NONE' implying that you are locking, but not locking, i...
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undefined reference to `WinMain@16'

... Building without that semi-documented flag one would have to more specifically tell the linker which subsystem value one desires, and some Windows API import libraries will then in general have to be specified explicitly: C:\test> gnuc x.cpp -Wl,-subsystem,windows C:\test> objdump -x a.exe...
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?

...person - so I suggest you find out what most people on your team like, and all go with that for consistency. Personally I find "" easier to read. The argument that "" and " " are easily mistaken for each other doesn't really wash with me. Unless you're using a proportional font (and I haven't worke...
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How to reverse a string in Go?

...size of the input in bytes. It does not correspond to its length. - Not all utf8's runes are of the same size. It can be either 1, 2, 4, or 8. - You should use unicode/ut8 package's method RuneCountInString to get the length of the rune. – Anvesh Checka M...
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Calling Objective-C method from C++ member function?

I have a class ( EAGLView ) which calls a member function of a C++ class without problems. Now, the problem is that I need to call in that C++ class a objective-C function [context renderbufferStorage:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)self.layer]; which I cannot do in C++ syntax...
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How do I check if an object has a specific property in JavaScript?

... I'm really confused by the answers that have been given - most of them are just outright incorrect. Of course you can have object properties that have undefined, null, or false values. So simply reducing the property check to typeo...
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What is the canonical way to check for errors using the CUDA runtime API?

...ag wiki , I see it is often suggested that the return status of every API call should checked for errors. The API documentation contains functions like cudaGetLastError , cudaPeekAtLastError , and cudaGetErrorString , but what is the best way to put these together to reliably catch and report err...
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Safe characters for friendly url [closed]

... To quote section 2.3 of RFC 3986: "Characters that are allowed in a URI but do not have a reserved purpose are called unreserved. These include uppercase and lowercase letters, decimal digits, hyphen, period, underscore, and tilde." ALPHA DIGIT "-" / "." / "_" / "~" N...