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Test whether a list contains a specific value in Clojure
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You can always call java methods with .methodName syntax.
(.contains [100 101 102] 101) => true
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Best practice to run Linux service as a different user
... ("sudo: sorry, you must have a tty to run sudo")
If you are daemonizing a java application, you might want to consider Java Service Wrapper (which provides a mechanism for setting the user id)
Another alternative could be su --session-command=[cmd] [user]
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What does “S3 methods” mean in R?
...ric-function OO.
This is different from most programming languages, like Java, C++ and
C#, which implement message-passing OO. With message-passing, messages
(methods) are sent to objects and the object determines which function
to call. Typically, this object has a special appearance in the...
App Inventor 2 项目合并工具 AIMerge · App Inventor 2 中文网
...文通过 App Inventor 鼓励协作 中进行了讨论。
该工具作为 Java 程序在 App Inventor 外部运行，需要在计算机上安装 Java 才能使用它。
如何使用 App Inventor 合并工具进行团队开发
在团队内开发应用程序时，App Inventor 合并工具非常有...
How do I discover memory usage of my application in Android?
...s, thus needing to start killing needed processes like services. For pure Java applications, this should be of little use, since the Java heap limit is there in part to avoid one app from being able to stress the system to this point.
Going lower-level, you can use the Debug API to get raw kernel-...
Ruby - test for array
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Type checking is for Java. Go ahead and just call count on the variable. Write unit tests to make sure the method works as expected.
– user132447
Mar 21 '12 at 14:55
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What is the difference between atomic / volatile / synchronized?
...p a thread that is running forever without any use and Stopping a specific java thread.
AtomicInteger
private AtomicInteger counter = new AtomicInteger();
public int getNextUniqueIndex() {
return counter.getAndIncrement();
}
The AtomicInteger class uses CAS (compare-and-swap) low-level CPU op...
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...针实现方式）。
其实，智能指针的引用计数类似于java的垃圾回收机制：java的垃圾的判定很简答，如果一个对象没有引用所指，那么该对象为垃圾。系统就可以回收了。
HasPtr 智能指针的声明如下，保存一个指向U_Ptr对...
Deserialize JSON with C#
...t; set;}
}
Then you should be able to do:
Friends facebookFriends = new JavaScriptSerializer().Deserialize<Friends>(result);
The names of my classes are just an example. You should use proper names.
Adding a sample test:
string json =
@"{""data"":[{""id"":""518523721"",""name"":""ft...
top -c command in linux to filter processes listed based on processname
...he o key and then type in a filter expression. For example, to monitor all java processes use the filter expression COMMAND=java. You can add multiple filters by pressing the key again, you can filter by user with the u key, and you can clear all filters with the = key.
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