大约有 41,000 项符合查询结果（耗时：0.0638秒） [XML]
How does Junit @Rule work?
I want to write test cases for a bulk of code, I would like to know details of JUnit @Rule annotation feature, so that I can use it for writing test cases. Please provide some good answers or links, which give detailed description of its functionality through a simple example.
...
How do I check if the Java JDK is installed on Mac?
...
I got "javac 1.6.0_37" is it equivalent of jdk 6 or 7?
– angry kiwi
Jan 12 '13 at 11:26
8
...
What is the difference between onPause() and onStop() of Android Activites?
...id.com/reference/android/app/Activity.html ,
it said 'Activity comes into foreground' will call onPause() , and 'Activity is no longer visible' will call onStop() .
...
How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
...u just have to be very aware of what LayoutParams your accessing. This is normally achieved by checking the containing ViewGroup if it has a LayoutParams inner child then that's the one you should use. In your case it's RelativeLayout.LayoutParams. You'll be using RelativeLayout.LayoutParams#addRule...
Emacs in Windows
...
I use EmacsW32, it works great. EDIT: I now use regular GNU Emacs 24, see below.
See its EmacsWiki page for details.
To me, the biggest advantage is that:
it has a version of emacsclient that starts the Emacs server if no server is running (...
Composite Key with EF 4.1 Code First
...u can mark both ActivityID and ActivityName properties with Key annotation or you can use fluent API as described by @taylonr.
Edit:
This should work - composite key defined with annotations requires explicit column order:
public class ActivityType
{
[Key, Column(Order = 0)]
public int Ac...
How to use enums in C++
...= Days.Saturday;
if (day == Days.Saturday)
Because Days is not a scope, nor object. It is a type. And Types themselves don't have members. What you wrote is the equivalent to std::string.clear. std::string is a type, so you can't use . on it. You use . on an instance of a class.
Unfortunately, ...
How to read from standard input in the console?
...m the command line, but my attempts have ended with the program exiting before I'm prompted for input. I'm looking for the equivalent of Console.ReadLine() in C#.
...
/etc/apt/sources.list" E212: Can't open file for writing
I am trying to edit sources.list using vi editor but getting the following error while saving the file:
12 Answers
...
Using querySelector with IDs that are numbers
...r is numeric, you’ll need to escape it based on its Unicode code point. For example, the code point for the character 1 is U+0031, so you would escape it as \000031 or \31 .
Basically, to escape any numeric character, just prefix it with \3 and append a space character ( ). Yay Unicode!
So ...