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- App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
1、UUID 背后的理念是，由于空间非常大（2^128，比宇宙中原子的估计数量还要多），随机选择两个 UUID 来标识事物时几乎不可能产生碰撞。如果您知道要连接的服务/特性，那么将它们编码到应用程序中是有意义的。如果您正在开...
Why Doesn't C# Allow Static Methods to Implement an Interface?
...uming you are asking why you can't do this:
public interface IFoo {
void Bar();
}
public class Foo: IFoo {
public static void Bar() {}
}
This doesn't make sense to me, semantically. Methods specified on an interface should be there to specify the contract for interacting with an object....
Java: Getting a substring from a string starting after a particular character
...
Finally something really handy, didn't know about this method. I hate to hassle with substring + indexof + 1 - 2 +3 whatsoever. This is much cleaner :)
– BAERUS
Feb 6 '18 at 8:05
...
Set Locale programmatically
...m API 24, you can now use:
configuration.setLocale(locale);
Take in consideration that the minSkdVersion for this method is API 17.
Full example code:
@SuppressWarnings("deprecation")
private void setLocale(Locale locale){
SharedPrefUtils.saveLocale(locale); // optional - Helper method to s...
How to automatically indent source code?
...
Chucky, have you considered removing Visual Studio and doing a clean install? I have a few times made so many changes that I've ruined it.
– Simply G.
Jan 24 '14 at 7:18
...
How to set selected value on select using selectpicker plugin from bootstrap
...
The value is correctly selected, but you didn't see it because the plugin hide the real select and show a button with an unordered list, so, if you want that the user see the selected value on the select you can do something like this:
//Get the text using the value...
HTTP response code for POST when resource already exists
... clients to store objects. Those objects are fully constructed at client side, complete with object IDs that are permanent for the whole lifetime of the object.
...
File Upload in WebView
...
This is a full solution for all android versions, I had a hard time with this too.
public class MyWb extends Activity {
/** Called when the activity is first created. */
WebView web;
ProgressBar progressBar;
private ValueCallback<Uri> mUploadMessage;
...
Calling a function every 60 seconds
...ed to execute further
return true; // or false, change the IIFE inside condition accordingly.
}
}
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How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...ion and webbrowser make/version. Just always specify it to be on the safe side.
When using mode="advanced" (i.e. ajax upload, this is the default), then make sure that you've a <h:head> in the (master) template. This will ensure that the necessary JavaScript files are properly included. This i...