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T3精品文章

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  聊一聊让我蒙蔽一晚上的各种常量池

  ...(); String t2 = 2; System.out.println(t1 == t2); String t3 = new String(2) + new String(2); t3.intern(); String t4 = 22; System.out.println(t3 == t4); } 答案输出： JDK1.6是 ...

  Tamic 2019-08-19 11:02 评论0 收藏0
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  黑盒测试 白盒测试 题

  ...(false) x>8 and y>5 x > 8 T1 -T1 y>5 T2 -T2 x>16 or y > 10 x > 16 T3 -T3 y > 10 T4 -T4 x > 0 or y > 0 x > 0 T5 -T5 y > 0 T6 -T6 产生测试用例 原则 对产生的的判定中的每个原则都要满足 测试用例 执行路径 覆盖条件 覆盖分支 ...

  nifhlheimr 2019-05-29 17:10 评论0 收藏0
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  264. Ugly Number II & 313. Super Ugly Number

  ...是：dp[i]: i-th ugly numberdp的function是：dp[i] = min(dp[t2] * 2, dp[t3] * 3, dp[t5] * 5)其中，t2-1, t3-1, t5-1分别为上一个*2, *3, *5得到的丑数，所以当前dp[t2]*2, dp[t3]*3, dp[t5]*5分别表示当前由*2， *3， *5得到的最小丑数 public class S...

  hiyang 2019-08-16 10:29 评论0 收藏0
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  基于AQS构建CountDownLatch、CyclicBarrier和Semaphore

  ...以下程序来分析源码，t1 和 t2 负责调用 countDown() 方法，t3 和 t4 调用 await 方法阻塞： public class CountDownLatchDemo { public static void main(String[] args) { CountDownLatch latch = new CountDownLatch(2); ...

  shixinzhang 2019-08-16 13:47 评论0 收藏0
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  小马哥Java面试题课程总结

  ... API 启动线程？ thread.start(); 进阶版 当有线程 T1、T2 以及 T3，如何实现T1 -> T2 -> T3的执行顺序？ private static void threadJoinOneByOne() throws InterruptedException { Thread t1 = new Thread(ThreadExecutionQuestio...

  FingerLiu 2019-08-19 11:47 评论0 收藏0
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  如何理解Axis？

  ...看一下三维的情况 def learn_concat(): # 三维数组 t3 = tf.constant([[[1, 2], [2, 3]], [[4, 4], [5, 3]]]) t4 = tf.constant([[[7, 4], [8, 4]], [[2, 10], [15, 11]]]) with tf.Session() as sess...

  huashiou 2019-07-31 10:13 评论0 收藏0
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  JS中的async/await -- 异步隧道尽头的亮光

  ...e(submit); const t1 = 200; const t2 = await step1(t1); const t3 = await step2(t2); const result = await step3(t3); console.log(`result is ${result}`); console.timeEnd(submit...

  jaysun 2019-08-26 11:39 评论0 收藏0
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  并发学习笔记 (6)

  ...ad t1 = new MyThread(); Thread t2 = new MyThread(); Thread t3 = new MyThread(); Thread t4 = new MyThread(); Thread t5 = new MyThread(); // 将线程放入池中进行执行 ...

  superw 2019-08-14 12:15 评论0 收藏0
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  分层数据Hierarchical Data探索(2.邻接表模型)

  ... 检索整棵树的分层路径 SELECT t1.title AS lev1, t2.title as lev2, t3.title as lev3, t4.title as lev4 FROM category AS t1 LEFT JOIN category AS t2 ON t2.parent_id = t1.id LEFT JOIN category AS t3 ON t3.parent_...

  Scott 2019-07-01 12:48 评论0 收藏0