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When to use static vs instantiated classes

...n it's just a tool that works on other stuff (like, for instance, a syntax converter for BB code to HTML ; it doesn't have a life on its own) (Yeah, I admit, really really overly-simplified...) One thing about static methods/classes is that they don't facilitate unit testing (at least in PHP, but...
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ruby 1.9: invalid byte sequence in UTF-8

...-op, and no checks are run. Ruby Core Documentation for encode. However, converting it to UTF-16 first forces all the checks for invalid byte sequences to be run, and replacements are done as needed. – Jo Hund Aug 11 '13 at 18:32 ...
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No == operator found while comparing structs in C++

...han: Why would C++ know how you want to compare your structs for equality? And if you want the simple way, there's always memcmp so long your structs don't contain pointer. – Xeo Apr 21 '11 at 6:59 ...
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Android: How to bind spinner to custom object list?

...here has to be a spinner which contains some names (the names are visible) and each name has its own ID (the IDs are not equal to display sequence). When the user selects the name from the list the variable currentID has to be changed. ...
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Code Golf - π day

... In dc: 88 and 93 93 94 96 102 105 129 138 141 chars Just in case, I am using OpenBSD and some supposedly non-portable extensions at this point. 93 chars. This is based on same formula as FORTRAN solution (slightly different results t...
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How to insert a character in a string at a certain position?

...34.50 ). Therefore, I need a function that will take an int as parameter and return the properly formatted String with a decimal point 2 digits from the end. ...
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How to escape double quotes in JSON

...Tag wird ein neues Reiseziel angesteuert bis wir. A second encoding then converts it again, escaping the already escaped characters: FROM: Heute startet unsere Rundreise \"Example text\". Jeden Tag wird ein neues Reiseziel angesteuert bis wir. TO: Heute startet unsere Rundreise \\\"Example text\...
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Function pointers, Closures, and Lambda

I am just now learning about function pointers and, as I was reading the K&R chapter on the subject, the first thing that hit me was, "Hey, this is kinda like a closure." I knew this assumption is fundamentally wrong somehow and after a search online I didn't find really any analysis of this compari...
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Regular expressions in C: examples?

I'm after some simple examples and best practices of how to use regular expressions in ANSI C. man regex.h does not provide that much help. ...
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Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术

...drift away from the whole-second mark due to any delays in processing the handler.) t->expires_at(t->expires_at() + boost::posix_time::seconds(1)); 然后我们开始一个新的同步等待.如您所见,我们用把print和他的多个参数用boost::bind函数合成一个的形为void(const as...