【课文】 we have an old musical instrument,It's called a clavichord, it was made in Germany in 1681.Our clacichord was kept in the living room, it has bel ...
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其他好文 时间:
2019-08-16 00:34:03
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103
题目 运用你所掌握的数据结构,设计和实现一个 LRU (最近最少使用) 缓存机制。它应该支持以下操作: 获取数据 get 和 写入数据 put 。 获取数据 get(key) - 如果密钥 (key) 存在于缓存中,则获取密钥的值(总是正数),否则返回 -1。写入数据 put(key, value) ...
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其他好文 时间:
2019-08-15 19:29:56
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105
HIVE基本操作: 本地运行 set hive.exec.mode.local.auto=true; 创建表: hive> CREATE TABLE pokes (foo INT, bar STRING); Creates a table called pokes with two columns, ...
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其他好文 时间:
2019-08-15 13:05:17
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80
In the long list of airline travel headaches, the boarding process has to be right up there with paying bag-check fees and finding just one freakin' S ...
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其他好文 时间:
2019-08-15 09:13:16
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76
队列queue 多应用在多线程中,对于多线程访问共享变量时,队列queue是线程安全的。从queue队列的实现来看,队列使用了1个线程互斥锁(pthread.Lock()),以及3个条件标量(pthread.condition()),来保证了线程安全。 ?self.mutex互斥锁:任何获取队列的状 ...
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编程语言 时间:
2019-08-13 00:26:11
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111
题目描述 The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreti ...
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其他好文 时间:
2019-08-11 12:43:49
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114
boost::atomic can be used to create atomic variables. They are called atomic variables because all access is atomic. Boost.Atomic is used in multithre ...
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其他好文 时间:
2019-08-09 19:38:41
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103
1120 Friend Numbers (20 分) 1120 Friend Numbers (20 分) 1120 Friend Numbers (20 分) Two integers are called "friend numbers" if they share the same sum o ...
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其他好文 时间:
2019-08-09 13:38:47
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69
在学习循环控制结构的时候,我们经常会看到这样一道例题或习题。问n!末尾有多少个0?POJ 1401就是这样的一道题。 【例1】Factorial (POJ 1401)。 Description The most important part of a GSM network is so called ...
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其他好文 时间:
2019-08-01 13:03:45
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128
The thief has found himself a new place for his thievery again. There is only one entrance to this area, called the "root." Besides the root, each hou ...
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编程语言 时间:
2019-07-31 01:13:18
阅读次数:
123