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What's the most efficient way to erase duplicates and sort a vector?
...ntainers are named simply "set" / "map" (analogous to TreeSet / TreeMap in Java); and the hashed associative containers, which were left out of the standard, are called "hash_set" / "hash_map" (SGI STL) or "unordered_set" / "unordered_map" (TR1) (analogous to HashSet and HashMap in Java)
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Missing artifact com.microsoft.sqlserver:sqljdbc4:jar:4.0
... <version>6.1.0.jre8</version>
</dependency>
or for java 7:
<!-- https://mvnrepository.com/artifact/com.microsoft.sqlserver/mssql-jdbc -->
<dependency>
<groupId>com.microsoft.sqlserver</groupId>
<artifactId>mssql-jdbc</artifactId>
...
Visual Studio: How do I show all classes inherited from a base class?
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Such a shame. Java developers that use the free Eclipse, have this functionality out of the box. In my Resharper + VS2015, I see "go to Implementation" rather than "Go To Inheritor".
– Northern Pole
F...
How do I sort a list by different parameters at different timed
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Note that since Java 8 you can use comparator.reversed() for descending and you can use comparator1.thenComparing(comparator2) for chaining comparators.
– GuiSim
Jan 9 '15 at 16:33
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No empty constructor when create a service
...constructor of your own (which you have). See here: http://docs.oracle.com/javase/tutorial/java/javaOO/constructors.html
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...。
新建文件：org.conan.mymahout.recommendation.job.RecommendFactory.java
public final class RecommendFactory {
...
}
1). 构造数据模型
public static DataModel buildDataModel(String file) throws TasteException, IOException {
return new FileDataModel(new File(file))...
How to add test coverage to a private constructor?
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With Java 8, it is possible to find other solution.
I assume that you simply want to create utility class with few public static methods. If you can use Java 8, then you can use interface instead.
package com.XXX;
public interf...
What is the difference between MediaPlayer and VideoView in Android
...ndroid/blob/master/Media/Video/src/com/commonsware/android/video/VideoDemo.java
https://github.com/commonsguy/vidtry/blob/master/src/com/commonsware/android/vidtry/Player.java
and example from android sdk
http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/media/Me...
BigDecimal setScale and round
...tarts from the leftmost nonzero digit of the exact result. docs.oracle.com/javase/7/docs/api/java/math/BigDecimal.html
– Eddy
Sep 6 '16 at 7:06
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How to listen for changes to a MongoDB collection?
...g allowing for trigger/notification-like use cases.
Here is a link to a Java example:
http://mongodb.github.io/mongo-java-driver/3.6/driver/tutorials/change-streams/
A NodeJS example might look something like:
var MongoClient = require('mongodb').MongoClient;
MongoClient.connect("mongodb:/...