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Is there a performance difference between i++ and ++i in C++?

...ent translation units. Compiler with g++ 4.5. Ignore the style issues for now // a.cc #include <ctime> #include <array> class Something { public: Something& operator++(); Something operator++(int); private: std::array<int,PACKET_SIZE> data; }; int main () { S...
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Clang vs GCC for my Linux Development project

...cc (ah competition). They created a wiki page to showcase it here. gcc 4.8 now has quite good diagnostics as well (gcc 4.9x added color support). Clang is still in the lead, but the gap is closing. Original: For students, I would unconditionally recommend Clang. The performance in terms of gene...
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Upgrade Node.js to the latest version on Mac OS

Currently I am using Node.js v0.6.16 on Mac OS X 10.7.4. Now I want to upgrade it to the latest Node.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed "node -v" in a terminal. Is there an...
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How can you represent inheritance in a database?

...problems identified for the single table method: Mandatory attributes can now be enforced with NOT NULL. Adding a new subtype requires adding a new table instead of adding columns to an existing one. There is also no risk that an inappropriate attribute is set for a particular subtype, such as th...
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?

...guaranteed to remember insertion order. "The order of elements in **kwargs now corresponds to the order in which keyword arguments were passed to the function." - docs.python.org/3/whatsnew/3.6.html In fact, all dicts in CPython 3.6 will remember insertion order as an implementation detail, this bec...
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Are there legitimate uses for JavaScript's “with” statement?

...e feature, and had never given much thought to how it might cause trouble. Now, I'm curious as to how I might make effective use of with , while avoiding its pitfalls. ...
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Get User's Current Location / Coordinates

... Step by step answer. But please update it. Its not working for now. – Dheeraj D Oct 13 '17 at 5:16 add a comment  |  ...
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Does Typescript support the ?. operator? (And, what's it called?)

...mentation can be non-breaking in the future. If they implemented something now, it would end up needing major changes if ECMAScript redefine their specification. See Optional Chaining Specification Where something is never going to be standard JavaScript, the TypeScript team can implement as they ...
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The permissions granted to user ' are insufficient for performing this operation. (rsAccessDenied)"}

... I know it's for a long time ago but you (or any other new comers) can resolve this issue by Add the [Domain\User] to Administrator, IISUser, SQLReportingUser groups Delete Encryption Key in SSRS configuration tools ReRun the D...
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Check if an image is loaded (no errors) with jQuery

... The .load() and .error() methods are confusing and now deprecated, use .on() and use the load and error as events. – Firsh - LetsWP.io Mar 8 '14 at 20:12 ...