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How do I measure time elapsed in Java? [duplicate]

...will be used for the JAMon monitor, hence the call to thisJoinPoint.toShortString()): public aspect MonitorAspect { pointcut monitor() : execution(* *.ClassToMonitor.methodToMonitor(..)); Object arround() : monitor() { Monitor monitor = MonitorFactory.start(thisJoinPoint.toShortStr...
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Best way to create custom config options for my Rails app?

...th_indifferent_access" allows you to access the values in the hash using a string key or with an equivalent symbol key. eg. APP_CONFIG['audiocast_uri_format'] => 'http://blablalba/blabbitybla/yadda' APP_CONFIG[:audiocast_uri_format] => 'http://blablalba/blabbitybla/yadda' Purely a convenie...
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What are the differences in die() and exit() in PHP?

... have two exit functions now! Let's make it so that they both can take a string or integer as an argument and make them identical!" The end result is that this didn't really make things any "easier", just more confusing. C and Perl coders will continue to use exit() to toss an integer exi...
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How to deal with floating point number precision in JavaScript?

... toPrecision returns a string instead of a number. This might not always be desirable. – SStanley Mar 13 '16 at 23:42 7 ...
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OceanBase使用libeasy原理源码分析:客户端 - 数据库(内核) - 清泛网 - 专...

...个session只封装一个请求 easy_request_t r; char data[0]; }; libeasy作为客户端时,将每个发往libeasy服务器端的请求包封装成一个session(easy_session_t),客户端将这个session放入连接的队列中然后返回,随后...
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What is the difference between Cloud, Grid and Cluster? [closed]

...s to take as much hardware as possible (for example in the hope of finding extra-terrestrial intelligence). Cluster: this is an old term referring to one OS instance or one DB instance installed across multiple machines. It was done with special OS handling, proprietary drivers, low latency network...
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How To Check If A Key in **kwargs Exists?

... can see, if prefix is not contained in kwargs, then the default '' (empty string) is being stored in the local prefix variable. If it is given, then its value is being used. This is generally a compact and readable recipe for writing wrappers for any kind of function: Always just pass-through argu...
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Which C++ idioms are deprecated in C++11?

...loop. The code looks more or less the same, but the lambda introduces some extra punctuation. You can use equivalents of things like boost::irange to apply it to more loops than just those that obviously use iterators. Plus the range-based for loop has greater flexibility, in that you can exit early...
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Java: when to use static methods

...atic imports. Easier, shorter. Adding methods: you really wanted the class String to have a removeSpecialChars() instance method, but it's not there (and it shouldn't, since your project's special characters may be different from the other project's), and you can't add it (since Java is somewhat san...
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Why should I avoid std::enable_if in function signatures

...lity: constructors don't have return types, and some operators cannot have extra arguments, so neither of the other two options can be applied everywhere. Putting enable_if in a template parameter works everywhere since you can only use SFINAE on templates anyway. For me, the readability aspect is...