大约有 40,000 项符合查询结果（耗时：0.0654秒） [XML]
Weak and strong property setter attributes in Objective-C
...ou use strong weak for properties or __strong
__weak
for variables (defaults to __strong). Strong is the equivalent to retain, however ARC will manage the release for you.
The only time you would want to use weak, is if you wanted to avoid retain cycles (e.g. the parent retains the child and the...
Is there a CSS selector for the first direct child only?
...
Use div.section > div.
Better yet, use an <h1> tag for the heading and div.section h1 in your CSS, so as to support older browsers (that don't know about the >) and keep your markup semantic.
...
Better way to shuffle two numpy arrays in unison
...r scary to me. Calling shuffle() for two sequences of the same length results in the same number of calls to the random number generator, and these are the only "random" elements in the shuffle algorithm. By resetting the state, you ensure that the calls to the random number generator will give th...
Android Studio with Google Play Services
...here: http://tools.android.com/tech-docs/new-build-system/user-guide#TOC-Multi-project-setup
Then export your app project from eclipse, and import into Android Studio as described here: http://developer.android.com/sdk/installing/migrate.html. Make sure to export both your app project and the googl...
What exactly does the enable-background attribute do?
...lable to child elements of the element it's specified on for things like filter effects that blend content with the background. There may be other uses, but that's the one I know.
If you don't have it set, then technically the element can't use backgrounds created by ancestors.
The only major browse...
Detecting when user has dismissed the soft keyboard
...) {
if (event.getKeyCode() == KeyEvent.KEYCODE_BACK){
cancelTextInput();
}
return super.onKeyPreIme(keyCode, event);
}
};
Wonderful solution, Jay, +1!
share
|
i...
Run an exe from C# code
... static void Main()
{
LaunchCommandLineApp();
}
/// <summary>
/// Launch the application with some options set.
/// </summary>
static void LaunchCommandLineApp()
{
// For the example
const string ex1 = "C:\\";
const string ex2...
Error: Cannot access file bin/Debug/… because it is being used by another process
... to restart VS twice an hour or more.
I assume this applies to WPF, too, although I don't use it and haven't personally experienced the problem there.
I also haven't yet tried reproducing it on VS 2012 RC. I don't know if it's been fixed there yet or not. But my experience so far has been that it ...
How to convert an object to a byte array in C#
... }
public static MyClass Desserialize(byte[] data) {
MyClass result = new MyClass();
using (MemoryStream m = new MemoryStream(data)) {
using (BinaryReader reader = new BinaryReader(m)) {
result.Id = reader.ReadInt32();
result.Name = reader.ReadString(...
Increase modal size for Twitter Bootstrap
...Using a CSS class (you can also override style - not suggested):
(html)
<div class="modal-body custom-height-modal" >
(css)
.custom-height-modal {
height: 400px;
}
share
|
improve this...