...just work. This is why the “eval” thing comes up: if you have enough information so eval(repr(c))==c, that means you know everything there is to know about c. If that’s easy enough, at least in a fuzzy way, do it. If not, make sure you have enough information about c anyway. I usually use an e...

...arrow anti-pattern. It is called an arrow because the chain of nested ifs form code blocks that expand farther and farther to the right and then back to the left, forming a visual arrow that "points" to the right side of the code editor pane. Flatten the Arrow with the Guard Some common ways of...

...ndard library relies on this aggressive optimization. Functors are only performant if the overhead of instantiating and destructing the object can be optimized away. operator[] on a vector is only comparable to raw array indexing in performance because the entire operator can be inlined and thus rem...

... might find it easier to understand an expression if all the iterables are formatted in the same way. For the purposes of unpacking only, the following substitutions are valid on the right side of the = (i.e. for rvalues): 'XY' -> ('X', 'Y') ['X', 'Y'] -> ('X', 'Y') If you find that a valu...

...n the default constructor for T is called (and the initialization is ill-formed if T has no accessible default constructor); — if T is a (possibly cv-qualified) non-union class type without a user-provided constructor, then the object is zero-initialized and, if T’s implicitly-decl...

... you: it repeats standard myths as fact. Edwin Brady's language, Idris, performs type erasure (because no run-time behaviour depends on types) and generates a fairly standard lambda-lifted supercombinator encoding from which code is generated using stock G-machine techniques. –...

...xample of implementation and practical use, you could define your favorite form of balanced binary search tree once and for all as a functor, and it would take as a parameter a module that provides: The type of key to be used in the binary tree A total-ordering function on keys Once you've done ...

...pack them. The tutorial How to write your own packer gives a ton of good information on writing your own Win32 packer. Ultimately though, if people want your application cracked they will. Look at all the commercial software out there that has a vast amount of resources to protect their applicatio...

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...te isolation. When the client makes an HTTP request, it includes all the information necessary for the server to fulfill that request. The server never relies on information from previous requests. If that information was important, the client would have to send it again in subsequent request. State...