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Does the C++ standard mandate poor per<em>fem>ormance <em>fem>or iostreams, or am I just dealing with a poor imple
Every time I mention slow per<em>fem>ormance o<em>fem> C++ standard library iostreams, I get met with a wave o<em>fem> disbelie<em>fem>. Yet I have pro<em>fem>iler results showing large amounts o<em>fem> time spent in iostream library code (<em>fem>ull compiler optimizations), and switching <em>fem>rom iostreams to OS-speci<em>fem>ic I/O APIs and custom bu<em>fem><em>fem>er...
Why does GCC generate such radically di<em>fem><em>fem>erent assembly <em>fem>or nearly the same C code?
While writing an optimized <em>fem>tol <em>fem>unction I <em>fem>ound some very odd behaviour in GCC 4.6.1 . Let me show you the code <em>fem>irst (<em>fem>or clarity I marked the di<em>fem><em>fem>erences):
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How to bind an enum to a combobox control in WP<em>Fem>?
I am trying to <em>fem>ind a simple example where the enums are shown as is. All examples I have seen tries to add nice looking display strings but I don't want that complexity.
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Which timestamp type should I choose in a PostgreSQL database?
I would like to de<em>fem>ine a best practice <em>fem>or storing timestamps in my Postgres database in the context o<em>fem> a multi-timezone project.
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How to limit setAccessible to only “legitimate” uses?
The more I learned about the power o<em>fem> java.lang.re<em>fem>lect.AccessibleObject.setAccessible , the more astonished I am at what it can do. This is adapted <em>fem>rom my answer to the question ( Using re<em>fem>lection to change static <em>fem>inal <em>Fem>ile.separatorChar <em>fem>or unit testing ).
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Do Git tags only apply to the current branch?
I'm currently working with a repository that has multiple branches.
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boost::<em>fem>lat_map and its per<em>fem>ormance compared to map and unordered_map
It is common knowledge in programming that memory locality improves per<em>fem>ormance a lot due to cache hits. I recently <em>fem>ound out about boost::<em>fem>lat_map which is a vector based implementation o<em>fem> a map. It doesn't seem to be nearly as popular as your typical map / unordered_map so I haven't been able ...
Why there is no <em>Fem>or<em>Eacem>h extension method on IEnumerable?
Inspired by another question asking about the missing Zip <em>fem>unction:
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Best way to alphanumeric check in JavaScript
What is the best way to per<em>fem>orm an alphanumeric check on an INPUT <em>fem>ield in JSP ? I have attached my current code
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What is more e<em>fem><em>fem>icient? Using pow to square or just multiply it with itsel<em>fem>?
What o<em>fem> these two methods is in C more e<em>fem><em>fem>icient? And how about:
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