大约有 40,800 项符合查询结果（耗时：0.0495秒） [XML]
Firefox ignores option selected=“selected”
...
AFAIK, this behaviour is hard-coded into Firefox.
You could try setting each form element to its defaultValue on page load.
share
|
...
What is the best way to count “find” results?
...t solution would be find <expr> -exec printf '.' \; | wc -c , but this takes far too long when there are more than 10000 results. Is there no faster/better way to do this?
...
How do I read an entire file into a std::string in C++?
...
One way is to flush the stream buffer into a separate memory stream, and then convert that to std::string:
std::string slurp(std::ifstream& in) {
std::ostringstream sstr;
sstr << in.rdbuf();
return sstr.str();
...
Get JSF managed bean by name in any Servlet related class
...
In a servlet based artifact, such as @WebServlet, @WebFilter and @WebListener, you can grab a "plain vanilla" JSF @ManagedBean @RequestScoped by:
Bean bean = (Bean) request.getAttribute("beanName");
and @ManagedBean @SessionScoped by:
Bean bean = (Bean) request.getSession().getAttribute("beanN...
How to execute a Python script from the Django shell?
...
The << part is wrong, use < instead:
$ ./manage.py shell < myscript.py
You could also do:
$ ./manage.py shell
...
>>> execfile('myscript.py')
For python3 you would need to use
>>> exec(open('myscript.py').r...
Performance difference for control structures 'for' and 'foreach' in C#
...
Well, it partly depends on the exact type of list. It will also depend on the exact CLR you're using.
Whether it's in any way significant or not will depend on whether you're doing any real work in the loop. In almost all cases, the difference to performance won't be si...
Using Mockito to mock classes with generic parameters
Is there a clean method of mocking a class with generic parameters? Say I have to mock a class Foo<T> which I need to pass into a method that expects a Foo<Bar> . I can do the following easily enough:
...
How to determine if a process runs inside lxc/Docker?
Is there any way to determine if a process (script) runs inside an lxc container (~ Docker runtime)? I know that some programs are able to detect whether they run inside a virtual machine, is something similar available for lxc/docker?
...
Why does this code segfault on 64-bit architecture but work fine on 32-bit?
... masks the fact that without the proper #include the return type of malloc is assumed to be int. IA-64 happens to have sizeof(int) < sizeof(int*) which makes this problem obvious.
(Note also that because of the undefined behaviour it could still fail even on a platform where sizeof(int)==sizeof...
Java Date cut off time information
...
The recommended way to do date/time manipulation is to use a Calendar object:
Calendar cal = Calendar.getInstance(); // locale-specific
cal.setTime(dateObject);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MIL...