大约有 47,000 项符合查询结果（耗时：0.0599秒） [XML]
Random float number generation
...ften done like this:
srand (static_cast <unsigned> (time(0)));
In order to call rand or srand you must #include <cstdlib>.
In order to call time, you must #include <ctime>.
share
|
...
Math.random() explanation
...both positive and negative, and minimum/maximum boundaries can come in any order.
int myRand(int i_from, int i_to) {
return (int)(Math.random() * (Math.abs(i_from - i_to) + 1)) + Math.min(i_from, i_to);
}
In general, it finds the absolute distance between the borders, gets relevant random value...
Where can I get a “useful” C++ binary search algorithm?
...ound
}
Another solution would be to use a std::set, which guarantees the ordering of the elements and provides a method iterator find(T key) that returns an iterator to the given item. However, your requirements might not be compatible with the use of a set (for example if you need to store the sa...
Which is faster : if (bool) or if(int)?
...ngs like sign-extend to bring it to certain widths to put it on the stack, etc. (You can't push a byte.)
When the optimizer views the AST and does its magic, however, it looks at surrounding context and "knows" when it can replace code with something more efficient without changing semantics. So ...
What is non-blocking or asynchronous I/O in Node.js?
...to memory and processing time for a thread that isn't doing anything.
In order to cater other requests while that thread has stalled depends on your software. What most server software do is spawn more threads to cater the additional requests. This requires more memory consumed and more processing...
How to debug Apache mod_rewrite
...
For basic URL resolution, use a command line fetcher like wget or curl to do the testing, rather than a manual browser. Then you don't have to clear any cache; just up arrow and Enter in a shell to re-run your test fetches.
...
GPL and LGPL open source licensing restrictions [closed]
...ode for that DLL, as well as the required header files or documentation in order to be able to interface with the rest of the application, should anyone want to heavily modify, or re-write from scratch, that DLL.
– thomasrutter
Feb 12 '13 at 0:45
...
Difference between OData and REST web services
...methods, URL conventions, media types,
payload formats and query options etc. OData also guides you about
tracking changes, defining functions/actions for reusable procedures
and sending asynchronous/batch requests etc. Additionally, OData
provides facility for extension to fulfil any custom...
npm throws error without sudo
...doing things like writing in your npm directory (npm link, npm install -g, etc.).
You probably ran node installation with root permissions, that's why the global package installation is asking you to be root.
Solution 1: NVM
Don't hack with permissions, install node the right way.
On a developmen...
What is the difference between '@' and '=' in directive scope in AngularJS?
...s. For example if the method is hello(name) in parent scope, then in
order to execute the method from inside your directive, you must
call $scope.hello({name:'world'})
I find that it's easier to remember these differences by referring to the scope bindings by a shorter description:
...