OCP:05322.An index called ORD_CUSTNAME_IX has
been created on the CUSTNAME column in the ORDERStable using the following
command:SQL>CREATE INDEX ord_...
分类：
其他好文 时间：
2014-06-06 20:56:28
阅读次数：
303
24 Point game
时间限制：3000 ms | 内存限制：65535 KB
难度：5
描述
There is a game which is called 24 Point game.
In this game , you will be given some numbers. Your task is to find an expressi...
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其他好文 时间：
2014-06-04 21:06:57
阅读次数：
295
Listener是一个接口An event listener is an interface in
theViewclass that contains a single callback method. These methods will be
called by the Android fra...
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其他好文 时间：
2014-06-02 21:33:20
阅读次数：
265
Haskell functions can take functions as parameters
and return functions as return values. A function that does either of those is
called a higher orde...
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其他好文 时间：
2014-06-02 18:16:16
阅读次数：
334
我们通过nio学习了Reactor模式，但是在java7中又出现了NIO.2，新的异步框架出来了，在上节中的服务端视线中看不到Reactor的影子了，但是Netty in action中写到：But notice that NIO.2 handles threading and the creation of the so-called event loop for you.所以模式还是没变，只是封装了而已！那让我们来分解下AIO(NIO.2)的封装吧！...
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其他好文 时间：
2014-06-01 01:40:11
阅读次数：
388
RT；main.xml MyActivity.javapublic class MyActivity
extends Activity { /** * Called when the activity is first created. */ ListView
my...
分类：
移动开发 时间：
2014-05-26 17:04:30
阅读次数：
365
问题场景：在app首次启动使用到db的时候，后台提示如下错误信息java.lang.IllegalStateException: getDatabase
called recursively at android.database.sqlite.SQLiteOpenHelper.getDatabas...
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移动开发 时间：
2014-05-24 09:34:04
阅读次数：
1596
getActiveWorkbenchWindow 有如下声明
/**
* Returns the currently active window for this workbench (if any). Returns
* null if there is no active workbench window. Returns
* null if called from a non-...
代码如下，在多线程AsyncTask类中的doInBackground调用Jsoup
protected String doInBackground(String... params) {
// TODO Auto-generated method stub
Log.i(TAG, "doInBackground(Params... params) called");
tr...
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编程语言 时间：
2014-05-23 00:54:53
阅读次数：
475
In bash shell, when you use a dollar sign
followed by a variable name, shell expands the variable with its value. This
feature of shell is called para...
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其他好文 时间：
2014-05-21 18:32:32
阅读次数：
332
