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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
...L(Cassandra, HBase, MongoDB)。
注：NoSQL的实现在mahout-integration-0.8.jar中。
数据格式支持2种：
GenericDataModel: 用户ID，物品ID，用户对物品的打分(UserID,ItemID,PreferenceValue)
GenericBooleanPrefDataModel: 用户ID，物品ID (UserID,ItemID)，这种方式表...
'transform3d' not working with position: fixed children
...ances, a fixed div would be positioned exactly where it is specified ( top:0px , left:0px ).
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SqlException from Entity Framework - New transaction is not allowed because there are other threads
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How to get the command line args passed to a running process on unix/linux systems?
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310
There are several options:
ps -fp <pid>
cat /proc/<pid>/cmdline | sed -e "s/\x00/ /...
Any reason why scala does not explicitly support dependent types?
... Bar }
defined class Foo
scala> val foo1 = new Foo
foo1: Foo = Foo@24bc0658
scala> val foo2 = new Foo
foo2: Foo = Foo@6f7f757
scala> implicitly[foo1.Bar =:= foo1.Bar] // OK: equal types
res0: =:=[foo1.Bar,foo1.Bar] = <function1>
scala> implicitly[foo1.Bar =:= foo2.Bar] // Not O...
WebDriver: check if an element exists? [duplicate]
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
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+500
Uploaded my proposal at github
(Is working with all android versions though view hardware acceleration is strongly recommended for t...
Fling gesture detection on grid layout
...ments OnClickListener {
private static final int SWIPE_MIN_DISTANCE = 120;
private static final int SWIPE_MAX_OFF_PATH = 250;
private static final int SWIPE_THRESHOLD_VELOCITY = 200;
private GestureDetector gestureDetector;
View.OnTouchListener gestureListener;
@Override
protected vo...
VBA - how to conditionally skip a for loop iteration
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answered Dec 30 '11 at 15:02
BrianBrian
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Could not find com.google.android.gms:play-services:3.1.59 3.2.25 4.0.30 4.1.32 4.2.40 4.2.42 4.3.23
... |
edited Dec 3 '15 at 1:20
CJBS
12.4k55 gold badges6868 silver badges119119 bronze badges
answered Jun ...