大约有 45,000 项符合查询结果（耗时：0.0458秒） [XML]
How to get the instance id from within an ec2 instance?
... with the digits only. (Backslash + parentheses tell sed to remember a substring, which is recalled with \1.) I found this a little easier to read--the only backslashes are those required by sed: EC2_REGION="$(echo "$EC2_AVAIL_ZONE" | sed -e 's:\([0-9][0-9]*\)[a-z]*$:\1:')".
–...
Turning a string into a Uri in Android
I have a string, 'songchoice' . I want it to become a 'Uri' so I can use with MediaPlayer.create(context, Uri)
2 Answers
...
Copy / Put text on the clipboard with FireFox, Safari and Chrome
...his (saying this because this thread is almost 9 years old!)
function copyStringToClipboard (string) {
function handler (event){
event.clipboardData.setData('text/plain', string);
event.preventDefault();
document.removeEventListener('copy', handler, true);
}
doc...
How to filter object array based on attributes?
...) ...
]
};
// (Note that because `price` and such are given as strings in your object,
// the below relies on the fact that <= and >= with a string and number
// will coerce the string to a number before comparing.)
var newArray = obj.homes.filter(function (el) {
return el.pr...
What does $NON-NLS-1$ mean?
...
They silence a warning that Eclipse emits when it encounters string literals (and has been configured to complain).
The idea is that UI messages should not be embedded as string literals, but rather sourced from a resource file (so that they can be translated, proofed, etc). Consequen...
VC菜单命令详解(文件打开、保存与关闭) - C/C++ - 清泛网 - 专注C/C++及内核技术
...the document、the view、the document template object以及the associate string and menu resources之间的关系。
The Windows Application Object
在CWinApp派生类的Implement文件中会有类似CMyApp theApp的语句。theApp是一个全局变量,它就是启动MFC应用程序的机制...
How do I check if a string is a number (float)?
What is the best possible way to check if a string can be represented as a number in Python?
33 Answers
...
What is the difference between ? and Object in Java generics?
...
An instance of HashMap<String, String> matches Map<String, ?> but not Map<String, Object>. Say you want to write a method that accepts maps from Strings to anything: If you would write
public void foobar(Map<String, Object> ms...
Android中Java和JavaScript交互 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t;
public class MainActivity extends Activity {
private static final String LOGTAG = "MainActivity";
@SuppressLint("JavascriptInterface")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_m...
Draw multi-line text to Canvas
...
Yes. I just added an example. Use String.Split to split at the '\n's and then offset each one.
– Icemanind
Jul 20 '11 at 4:28
...