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Is there a typical state machine implementation pattern?

... Really nice touch how NUM_STATES is defined. – Albin Stigo Dec 19 '15 at 19:38  | ...
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How do I dynamically change the content in an iframe using jquery?

...f the interval set up dynamically changed? – Yohanes AI Oct 18 '17 at 7:03 Use setTimeout instead then ...
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Scala type programming resources

...programming, the computation occurs at compile time. I will try to draw parallels between programming at the value-level and programming at the type-level. Paradigms There are two main paradigms in type-level programming: "object-oriented" and "functional". Most examples linked to from here follow...
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How to count the number of set bits in a 32-bit integer?

...Hamming Weight', 'popcount' or 'sideways addition'. The 'best' algorithm really depends on which CPU you are on and what your usage pattern is. Some CPUs have a single built-in instruction to do it and others have parallel instructions which act on bit vectors. The parallel instructions (like x86's ...
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What is the best regular expression to check if a string is a valid URL?

... I wrote my URL (actually IRI, internationalized) pattern to comply with RFC 3987 (http://www.faqs.org/rfcs/rfc3987.html). These are in PCRE syntax. For absolute IRIs (internationalized): /^[a-z](?:[-a-z0-9\+\.])*:(?:\/\/(?:(?:%[0-9a-f][0-9a-f]...
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Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 性能如何 是否有一些执行耗时的操作,I/O,网络文件下载,文件解析等,是否可以进行优化?是否会影响到功能体验?使用异步线程执行会更好吗? 多线程相关 是否涉及到多线程,临界区访问是否正常?会引入多线程...
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How many GCC optimization levels are there?

..., the default if no optimization level is specified) -O1 (optimize minimally) -O2 (optimize more) -O3 (optimize even more) -Ofast (optimize very aggressively to the point of breaking standard compliance) -Og (Optimize debugging experience. -Og enables optimizations that do not interfere...
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When to use setAttribute vs .attribute= in JavaScript?

... This answer is not clear enough...I don't really feel I understand this yet. – temporary_user_name Oct 24 '13 at 21:48 1 ...
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How to implement __iter__(self) for a container object (Python)

... I normally would use a generator function. Each time you use a yield statement, it will add an item to the sequence. The following will create an iterator that yields five, and then every item in some_list. def __iter__(self): ...
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Get the client IP address using PHP [duplicate]

... I usually don't like nested ternaries, but I really like it in this case... – Charles Harmon Jul 18 '14 at 20:49 ...