大约有 43,000 项符合查询结果（耗时：0.1796秒） [XML]
Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
...
Clicking URLs opens default browser
...icks on the links on the page loaded, it has to work like a normal browser and open the link in the same WebView . But it's opening the default browser and loading the page there?
...
What are the benefits of Java's types erasure?
...erned with the Twitter user. It's helpful to keep focused on the messages and not the messenger. There is a fairly consistent message with even just the excerpts mentioned thus far:
It's funny when Java users complain about type erasure, which is the only thing Java got right, while ignoring all ...
Getting file names without extensions
...
And to get the extension (to add later for example) use: Path.GetExtension(fileName);
– Justin
Mar 27 '14 at 9:08
...
Java equivalents of C# String.Format() and String.Join()
...
More precisely: StringBuffer for jdk1.4 and below, StringBuilder for jdk1.5 and after, since the latter is not synchronized, hence a little faster.
– VonC
Oct 9 '08 at 15:39
...
Is there any performance reason to declare method parameters final in Java?
...
The final keyword does not appear in the class file for local variables and parameters, thus it cannot impact the runtime performance. It's only use is to clarify the coders intent that the variable not be changed (which many consider dubious reason for its usage), and dealing with anonymous inn...
How to use java.String.format in Scala?
...d know how it should display the string. %s is probably the most common, and it just means that the argument should be treated as a string.
I won't list every option, but I'll give a few examples just to give you an idea:
// we can specify the # of decimals we want to show for a floating point:
...
Why doesn't “System.out.println” work in Android?
...onsole, so that I can debug it. But for some reason, nothing prints in my Android application.
11 Answers
...
notifyDataSetChange not working from custom adapter
...
it's about a BaseAdapter and this adapter does not know to which data it is binded... so if I have an custom object and use custom functions of this object (like custObject.getCount() and custObject.getChildAt(int i) for example), and I want to excha...
python plot normal distribution
Given a mean and a variance is there a simple function call which will plot a normal distribution?
8 Answers
...