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How to get maximum value from the Collection (for example ArrayList)?
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Comparator.comparing
In Java 8, Collections have been enhanced by using lambda. So finding max and min can be accomplished as follows, using Comparator.comparing:
Code:
List<Integer> ints = Stream.of(12, 72, 54, 83, 51).collect(Collectors.toList());
System.out.println("...
How to exit from PostgreSQL command line utility: psql
...it or exit or \q
Based on PostgreSQL 11 Beta 1 Released!:
User Experience Enhancements
Another feature that fell into this category was the inability to intuitively quit from the PostgreSQL command-line (psql). There has been numerous recorded complaints of users trying to quit with the quit and ex...
Retrieving the inherited attribute names/values using Java Reflection
...fields.addAll(type.getDeclaredFields()); would be more conventional than a enhanced for loop with add.
– Tom Hawtin - tackline
Jun 25 '09 at 10:11
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Redeploy alternatives to JRebel [closed]
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DCEVM supports enhanced class redefinitions and is available for current JDK7 and JDK8.
https://github.com/dcevm/dcevm/releases
HotswapAgent is an free JRebel alternative and supports DCEVM in various Frameworks.
http://hotswapagent.org/...
How to combine paths in Java?
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To enhance JodaStephen's answer, Apache Commons IO has FilenameUtils which does this. Example (on Linux):
assert org.apache.commons.io.FilenameUtils.concat("/home/bob", "work\\stuff.log") == "/home/bob/work/stuff.log"
It's p...
How to remove focus border (outline) around text/input boxes? (Chrome) [duplicate]
... when they hit tab. If anything, the highlighting of the element should be enhanced to make it more obvious which item has focus.
– Torkil Johnsen
Jul 25 '14 at 12:46
38
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Draw a perfect circle from user's touch
...UIEvent *)event {
[self handleTouch: event];
}
There are several enhancements possible.
Start at any point
Current requirement is to start drawing a circle from the top middle point due to the following simplification:
if(type == null || type != newType) {
if(newTy...
Recommended add-ons/plugins for Microsoft Visual Studio [closed]
...tion for VS.NET
VisualSVN Server - (FREE) Source Control
ReSharper - IDE enhancement that helps with refactoring and productivity
CodeRush - Code gen macros on steroids
Refactor - Code refactoring aid
CodeMaid (FREE) - Code cleanup, organization and complexity analysis
CodeSmith - Code Generat...
Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
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Null check in an enhanced for loop
public static <T> Iterable<T> emptyIfNull(Iterable<T> iterable) {
return iterable == null ? Collections.<T>emptyList() : iterable;
}
Then use:
for (Object object : emptyIfNull...
Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
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Notifier 通知扩展
下载
版本历史
关于通知
关于权限
关于通知通道
关于意图 Intent
关于闹钟 Alarms
关于BackStack（活动堆栈）
使用方法
UrsAI2N...