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Why all the Active Record hate? [closed]

...e demand to start with creating some "active record" objects as a building block for the higher level application logic. In my experience, this conspicuously often was some kind of excuse for that the customer (a software dev company in most cases) did not have a good concept, a big view, an overvie...
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple

...push_back() doesn't? If anything, it should be faster since it's handed a block instead of four individual elements. If ostringstream is slower than std::vector without providing any additional features, then yeah I would call that broken. – Ben Voigt Dec 2 '...
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Fast Bitmap Blur For Android SDK

...s whilst scanning through the image. Thereby it * just has to add one new block of color to the right side * of the stack and remove the leftmost color. The remaining * colors on the topmost layer of the stack are either added on * or reduced by one, depending on if they are on the right or * o...
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Sending event when AngularJS finished loading

...tAnimationFrame so that it fires at a moment when it is least likely * to block rendering of the page. * * If wait-for-interpolation and ready-check are both supplied, then the * when-ready expressions will fire after interpolation is done *and* after * the ready-check condition evaluates to tr...
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Why is x86 ugly? Why is it considered inferior when compared to others? [closed]

...g can provide. For example, the MOVSB instruction needs a relatively large block of C code to describe what it does: if (DF==0) *(byte*)DI++ = *(byte*)SI++; else *(byte*)DI-- = *(byte*)SI--; That's a single instruction doing a load, a store, and two adds or subtracts (controlled by a flag ...
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C++ equivalent of java's instanceof

... diffently. If they need to be handled diffently, then I would add a catch block for each exception. – mslot Aug 12 '13 at 14:03 ...
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分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...,那么数据结点会进入“不知所措”的状态,这个状态会block住整个事务。也就是说,协调者Coordinator对于事务的完成非常重要,Coordinator的可用性是个关键。 因些,我们引入三段提交,三段提交在Wikipedia上的描述如下,他把二...
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What techniques can be used to speed up C++ compilation times?

...nd up reducing the amount of work the compiler has to do on any individual block at the same time, by virtue of the fact that it has less to keep track of. Compiler options Precompiled Headers These are used to compile a common section of included headers once for many translation units. The comp...
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What does the `forall` keyword in Haskell/GHC do?

...n f e x . (forall e x . n e x -> f -> Fact x f) -> Block n e x -> f -> Fact x f the type in parentheses would be called "a forall to the left of an arrow". (I'm using types like this in an optimizer I'm working on.) ...
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How to select rows from a DataFrame based on column values?

...EXP}TIME]- and [{C|P|EXP}SPACE]-costs of using the above proposed forms of block-syntax ( processing top-down the whole dataframes at once ) grow, namely when scaled to some ~1E6, ~1E9, ~1E12 row counts? Thanks for showing us the whole picture, Sir. Quantitative benchmark readings with [min, Avg, MA...