大约有 43,000 项符合查询结果（耗时：0.0593秒） [XML]
getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”
I have a Live Android application, and from market i have received following stack trace and i have no idea why its happening as its not happening in application code but its getting caused by some or the other event from the application (assumption)
...
Copying text to the clipboard using Java
...
This works for me and is quite simple:
Import these:
import java.awt.datatransfer.StringSelection;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
And then put this snippet of code wherever you'd like to alter the clipboar...
Is there any difference between DECIMAL and NUMERIC in SQL Server?
Is there any difference between DECIMAL and NUMERIC data types in SQL Server?
6 Answers
...
Should I use a class or dictionary?
I have a class that contains only fields and no methods, like this:
9 Answers
9
...
Is returning by rvalue reference more efficient?
...ptimization). Now, you can do the following
Beta_ab ab = others.toAB();
And it will move construct the temporary into ab, or do RVO to omit doing a move or copy altogether. I recommend you to read BoostCon09 Rvalue References 101 which explains the matter, and how (N)RVO happens to interact with ...
What is a good pattern for using a Global Mutex in C#?
The Mutex class is very misunderstood, and Global mutexes even more so.
8 Answers
8
...
async/await - when to return a Task vs void?
... are special in another aspect: they represent top-level async operations, and have additional rules that come into play when your task returns an exception. The easiest way is to show the difference is with an example:
static async void f()
{
await h();
}
static async Task g()
{
await h()...
Show AlertDialog in any position of the screen
When we show an AlertDialog in android it shows in the center of the screen. Is there any way to change the position?
4 An...
.net implementation of bcrypt
...I'm a bit unsure of just picking an implementation that turns up in google and am thinking that I may be better off using sha256 in the System.Security.Cryptography namespace, at least then I know it's supported! What are you thoughts?
...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
What's a quick-and-dirty way to make sure that only one instance of a shell script is running at a given time?
40 Answers
...