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How to get current memory usage in android?

...048576 == 0x100000 It's quite obvious that the number is used to convert from bytes to mebibyte P.S: we need to calculate total memory only once. so call point 1 only once in your code and then after, you can call code of point 2 repetitively. ...
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C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ctor、string或deque,则使用erase-remove习惯用法。 SeqContainer<int> c; c.erase(remove(c.begin(),c.end(),1963),c.end()); 如果容器是list,则使用list::remove。 如果容器是一个标准关联容器,则使用它的erase成员函数。 要删除容器中满足特定条件的...
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Generate random password string with requirements in javascript

...nerate random number, eg: 0.123456 .toString(36) // Convert to base-36 : "0.4fzyo82mvyr" .slice(-8);// Cut off last 8 characters : "yo82mvyr" Documentation for the Number.prototype.toString and string.prototype.slice methods. ...
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

Should I test if something is valid or just try to do it and catch the exception? 8 Answers ...
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Static extension methods [duplicate]

...ring); So as you can see, there's no way to do that for static methods. And another thing just dawned on me: what would really be the point of being able to add static methods on existing classes? You can just have your own helper class that does the same thing, so what's really the benefit in be...
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Do I really have a car in my garage? [duplicate]

... If you need to make the difference between Car and Boat in your garage, then you should store them in distinct structures. For instance: public class Garage { private List&lt;Car&gt; cars; private List&lt;Boat&gt; boats; } Then you can define methods that are ...
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Different return values the first and second time with Moq

... .Returns(true); Calling connect will only be successful on the third and fifth attempt otherwise an exception will be thrown. So for your example it would just be something like: repository.SetupSequence(x =&gt; x.GetPageByUrl&lt;IPageModel&gt;(virtualUrl)) .Returns(null) .Returns(pageModel....
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What is a bus error?

What does the "bus error" message mean, and how does it differ from a segfault? 15 Answers ...
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What does java.lang.Thread.interrupt() do?

.... Then code running in that target thread MAY poll the interrupted status and handle it appropriately. Some methods that block such as Object.wait() may consume the interrupted status immediately and throw an appropriate exception (usually InterruptedException) Interruption in Java is not pre-emp...
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How can a Java program get its own process ID?

...ctory.getRuntimeMXBean().getName() looks like the best (closest) solution, and typically includes the PID. It's short, and probably works in every implementation in wide use. On linux+windows it returns a value like 12345@hostname (12345 being the process id). Beware though that according to the doc...