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Why not be dependently typed?

... 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. –...
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Unpacking, extended unpacking and nested extended unpacking

... 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...
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How is “=default” different from “{}” for default constructor and destructor?

...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...
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Protect .NET code from reverse engineering?

...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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In Functional Programming, what is a functor?

...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 ...
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How to make Twitter Bootstrap menu dropdown on hover rather than click

... </ul> </li> </ul> <form action="" class="navbar-search pull-left"> <input type="text" placeholder="Search" class="search-query span2"> </form> <ul class="nav pull-right"> <li>&l...
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If REST applications are supposed to be stateless, how do you manage sessions?

...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...
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What is the difference between quiet NaN and signaling NaN?

...ented in software. A signalling NaN will produce a signal, usually in the form of exception from the FPU. Whether the exception is thrown depends on the state of the FPU. C++11 adds a few language controls over the floating-point environment and provides standardized ways to create and test for N...
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What is the difference between i++ and ++i?

...out for you precisely what x++ and ++x do for a variable x. For the prefix form (++x): x is evaluated to produce the variable The value of the variable is copied to a temporary location The temporary value is incremented to produce a new value (not overwriting the temporary!) The new value is store...
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What is the difference between localStorage, sessionStorage, session and cookies?

...the session is really your only option. If you are not using SSL, cookie information can also be intercepted in transit, especially on an open wifi. On the positive side cookies can have a degree of protection applied from security risks like Cross-Site Scripting (XSS)/Script injection by setting a...