大约有 30,000 项符合查询结果(耗时:0.0455秒) [XML]

https://stackoverflow.com/ques... 

What do the terms “CPU bound” and “I/O bound” mean?

What do the terms "CPU bound" and "I/O bound" mean? 11 Answers 11 ...
https://stackoverflow.com/ques... 

What is the optimal length for user password salt? [closed]

... @CodesInChaos I believe you mean octet ;-) – user2864740 Feb 5 '14 at 21:38 ...
https://stackoverflow.com/ques... 

What is the best way to use a HashMap in C++?

...complexity that's logarithmic on the number of items being stored -- which means the time to insert or retrieve an item grows, but quite slowly, as the map grows larger. For example, if it takes 1 microsecond to lookup one of 1 million items, then you can expect it to take around 2 microseconds to l...
https://stackoverflow.com/ques... 

What is code coverage and how do YOU measure it?

...ode is covered under tests. For example, if you have 90% code coverage, it means 10% of the code is not covered under tests. I know you might be thinking that if 90% of the code is covered, it's good enough, but you have to look from a different angle. What is stopping you from getting 100% code cov...
https://stackoverflow.com/ques... 

Concatenate a vector of strings/character

...croseconds expr min lq mean median uq max neval stri_paste(test, collapse = "") 137.477 139.6040 155.8157 148.5810 163.5375 226.171 100 paste(test, collapse = "") 404.139 406.4100 446.0270 432.3250 442.9825 ...
https://stackoverflow.com/ques... 

Choose between ExecutorService's submit and ExecutorService's execute

... I mean 'wrapped in a Future or not', of course. See the Javadoc for ScheduledThreadPoolExecutor#execute, for example. – rxg Jun 13 '13 at 9:28 ...
https://stackoverflow.com/ques... 

What is the difference between a strongly typed language and a statically typed language?

...oating-point numbers. There is no real agreement on what "strongly typed" means, although the most widely used definition in the professional literature is that in a "strongly typed" language, it is not possible for the programmer to work around the restrictions imposed by the type system. This te...
https://stackoverflow.com/ques... 

What's the meaning of interface{}?

...rface is done automatically, all types satisfy the empty interface. That means that if you write a function that takes an interface{} value as a parameter, you can supply that function with any value. (That is what Msg represents in your question: any value) func DoSomething(v interface{}) { ...
https://stackoverflow.com/ques... 

Real world use of JMS/message queues? [closed]

...ove logging, watching for specific errors, and alerting people via various means (email, text message, IM, Growl pop-up...) Dynamically configuring and controlling software clusters. Each app server would broadcast a "configure me" message, then a configuration daemon that would respond with a mess...
https://stackoverflow.com/ques... 

What is the purpose of the -m switch?

... in Python 2.4.1. Initially its only purpose was to provide an alternative means of identifying the python module to execute from the command line. That is, if we knew both the <filename> and <modulename> for a module then the following two commands were equivalent: python <filename&g...