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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
I see java.util.function.BiFunction, so I can do this:
7 Answers
7
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Why is String.chars() a stream of ints in Java 8?
In Java 8, there is a new method String.chars() which returns a stream of int s ( IntStream ) that represent the character codes. I guess many people would expect a stream of char s here instead. What was the motivation to design the API this way?
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What are the big improvements between guava and apache equivalent libraries?
...
First of, as javamonkey79 explained, while Google Guava and Apache Commons do share similar features, they also both have functionality that is absent from their counterpart. Thus, limiting yourself to only one library might be unwise.
T...
How to make an array of arrays in Java
... by any object with ease.
Hoping this can help someone someday :)
import java.lang.ref.WeakReference;
import java.util.LinkedList;
import java.util.NoSuchElementException;
import java.util.Queue;
/**
*
* @author leBenj
*/
public class Array2DWeakRefsBuffered<T>
{
private final WeakR...
Spring Data JPA - “No Property Found for Type” Exception
...ittle effort.
For example, if the managed entity has a name field (and the Java Bean standard getter and setter for that field), defining the findByName method in the DAO interface will automatically generate the correct query:
public interface IFooDAO extends JpaRepository< Foo, Long >{
...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...ime;
using Android.Util;
using Android.Views;
using Android.Widget;
using Java.Lang;
using Android.Support.V4.View;
using Fragment = Android.App.Fragment;
namespace Support4
{
[Activity (Label = "@string/fragment_pager_support")]
[IntentFilter (new[]{Intent.ActionMain}, Categories = new[]...
Hamcrest compare collections
... hasProperty("description", is("testDesc2")))));
http://hamcrest.org/JavaHamcrest/javadoc/1.3/org/hamcrest/Matchers.html#contains(E...)
http://hamcrest.org/JavaHamcrest/javadoc/1.3/org/hamcrest/Matchers.html#containsInAnyOrder(java.util.Collection)
http://hamcrest.org/JavaHamcrest/javadoc/1.3/...
How can I pass a Bitmap object from one activity to another
...is not a best practice, if the bitmap object size is bigger, then you get "java.lang.SecurityException: Unable to find app for caller android.app.ApplicationThreadProxy......". the recommended way is like @slayton says, you have to save bitmap on external storage and pass just the URI.
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How to convert CharSequence to String?
How can I convert a Java CharSequence to a String ?
3 Answers
3
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oracle:完整剖析PL/SQL DEVELOPER与SQL PLUS字符集设置 - 数据库(内核) - ...
...OS系统当前字符集，当然可以修改。
1.3 系统环境变量NLS_LANG
环境变量影响Dos、sql*plus、PL/SQL DEVELOPER等内容
1.4 ORACLE数据库字符设置
该值是在创建数据库时指定的
1.5 PL/SQL DEVELOPER菜单中TOOLS中首选项的'unicode support'
该选...