chiqinxiang8006-优快云博客

转载 undefined reference to `clock_gettime' 链接错误的解决思路

错误信息： centos下安装Redis时报错，报错内容为： [plain]view plaincopy /home/wm/redis-3.2.7/deps/jemalloc/src/nstime.c:120:undefinedreferenceto`c...

2017-02-08 23:17:00 940

转载存储过程应用2

1，在存储过程中常用到一些查询命令查询一些常用值。 --生成随机的18位数字select substr(cast(dbms_random.value as varchar2(38)),3,18) from dual;--当前时间三个月select trunc(add_months(sy...

2017-01-03 15:34:00 161

转载存储过程应用1

之前做项目不会存储过程，时不时还被人鄙视，现在的工作上仍旧继续使用存储过程开发业务。也不管启用存储过程和弃用存储过程的争执了，工作需要嘛。 create or replace procedure PROC_SH_DRAW_HIS(start_date in varchar2, ...

2016-12-15 17:37:00 182

转载 Ubuntu 删除多余内核

linux多次升级以后系统中会存在大量不同版本的内核，而每个内核占用非常多的硬盘空间（一般一个内核300mb左右占用）。所以需要定期清理没用的内核，但最好保留最近两个内核，因为有的软件需要依赖特定内核而不一定是最新的。首先查询当前我们使用的是内核是那个版本别删错了。 unam...

2016-12-10 22:37:00 141

转载 Robinson Crusoe chapter 8 A ship arrives at the island

英文： I had been expecting the Spaniard and Friday's father back for about a week when a strange event happened. I was fast asleep in my hammock ear...

2016-12-01 12:42:00 1167

转载 JVM调优总结 -Xms -Xmx -Xmn -Xss

堆大小设置 JVM 中最大堆大小有三方面限制：相关操作系统的数据模型（32-bt还是64-bit）限制；系统的可用虚拟内存限制；系统的可用物理内存限制。32位系统下，一般限制在1.5G~2G；64为操作系统对内存无限制。我在Windows Server 2003 系统，3.5G物理内存...

2015-10-30 10:50:00 84

转载悲观锁和乐观锁

这方面的资料网上比较多，以下均是转载 1、悲观锁，正如其名，它指的是对数据被外界（包括本系统当前的其他事务，以及来自外部系统的事务处理）修改持保守态度，因此，在整个数据处理过程中，将数据处于锁定状态。悲观锁的实现，往往依靠数据库提供的锁机制（也只有数据库层提供的锁机制才能真正...

2015-10-29 14:29:00 100

转载 But not murder!

原文 I was being tested for a driving license for the third time. I had been asked to drive in heavy traffic and had done so successfully. Af...

2015-10-22 13:00:00 126

转载 Persistent

原文 I crossed the street to avoid meeting him, but he saw me and came running towards me. It was no use pretending that I had not seen him, ...

2015-10-21 13:33:00 87

转载 Volcanoes

原文 Haroun Tariff, the Polish scientist, has spent his lifetime studying active volcanoes and deep caves in all parts of the world. In 1948,...

2015-10-20 13:44:00 281

转载 Sweet as honey!

原文 In 1963 a Lancaster bomber crashed on Wallis island, a remote place in the south Pacific, a long way west of Samoa. The plane wasn't too...

2015-10-19 17:11:00 139

转载 Jumbo versus the police

原文 Last Christmas, the circus owner, Jimmy Gates, decided to take some presents to a children' hospital. Dressed up as Father Christmas and...

2015-10-16 19:27:00 155

转载 The Channel Tunnel

原文 In 1858, a French engineer, Aime Thome De Gamond, arrived in England with a plan for a twenty-one-mile tunnel under the English Channel....

2015-10-15 19:02:00 199

转载 She was not amused

原文 Jeremy Hampden has a large circle of friends and is very popular at parties. Everybody admires him for his great sense of humor -- every...

2015-10-14 19:04:00 120

转载 After the fire

原文 Firemen had been fighting the forest fire for nearly three weeks before they could get it under control. A short time before, great tree...

2015-10-13 13:54:00 122

转载 Trouble with the Hubble

原文 The Hubble telescope was launched into space by NASA on April 20, 1990 at a cost of over a billion dollars. Right from the start there w...

2015-10-12 13:38:00 189

转载 The future

原文 At a village fair, I decided to visit a fortune-teller called Madam Bellinsky. I went into her tent and she told me to sit down. After I...

2015-10-10 13:35:00 124

转载 In or out?

原文 Our dog, Rex, used to sit outside out front gate and bark. Every time he wanted to come into the garden he would bark until someone open...

2015-10-09 13:21:00 120

转载 A blessing in disguise

原文 The tiny village of Frinley is said to possess a "cursed tree". Because the tree was mentioned in a newspaper, the number of visitors to...

2015-10-08 17:47:00 215

转载 Can I help you, madam?

原文 A woman in jeans stood at the window of an expensive shop. Though she hesitated for a moment, she finally went in and asked to see a dre...

2015-10-06 12:56:00 135

转载 Faster than sound!

原文 Once a year, race is held for old cars. A lot of cars entered for this race last year and there was a great deal of excitement just befo...

2015-10-05 18:46:00 145

转载 Not a gold mine

原文 Dreams of finding lost treasure almost came true recently. A new machine called "The Revealer" has been invented and it has been used to...

2015-09-28 17:36:00 115

转载 Sticky fingers

原文 After breakfast, I sent the children to school and then I went to the shops. It was still early when I returned home. The children were ...

2015-09-24 21:33:00 136

转载 Hot snake

原文 At last firemen have put out a big forest fire in California. Since then, they have been trying to find out how the fire began. Forest f...

2015-09-23 13:20:00 125

转载 A pretty carpet

原文 We have just moved into a new house and I have been working hard all morning. I have been trying to get my new room in order. This has n...

2015-09-22 13:55:00 119

转载 Reward for virtue

原文 My friend, Hugh, has always been fat, but things got so bad recently that he decided to go on a diet. He began his diet a week ago. Firs...

2015-09-18 12:59:00 170

转载 Take for a ride

原文 I love travelling in the country, but I don't like losing my way. I went on an excursion recently, but my trip took me longer than I exp...

2015-09-17 13:04:00 137

转载 The end of a dream

原文 Tired of sleeping on the floor, a young man in Teheran saved up for years to buy a real bed. For the first time in his life, he became t...

2015-09-16 13:14:00 120

转载 Did you want to tell me something?

原文 Dentists always ask questions when it is impossible for you to answer. My dentist had just pulled out one of my teeth and told me to res...

2015-09-11 13:35:00 108

转载 A thirsty ghost

原文 A public house which was recently bought by Mr. Ian Thompson is up for sale. Mr. Thompson is going to sell it because it is haunted. He ...

2015-09-10 13:12:00 155

转载 Expensive and uncomfortable

原文 When a plane from London arrived at Sydney airport, workers began to unload a number of wooden boxes which contained clothing. No one co...

2015-09-09 13:34:00 134

转载 A clear conscience

原文 The whole village soon learnt that a large sum of money had been lost. Sam Benton, the local butcher, had lost his wallet while taking h...

2015-09-08 13:31:00 121

转载 Through the forest

原文 Mrs. Anne Sterling did not think of the risk she was taking when ran through a forest after two men. They had rushed up to her while she...

2015-09-07 13:31:00 79

转载 Over the South Pole

原文 In 1929, three years after his flight over the North Pole, the American explore, R.E. Byrd, successfully flew over the South Pole for th...

2015-09-06 13:44:00 159

转载 Not very musical

原文 As we had had a long walk through one of the markets of Old Delhi, we stopped at a square to have a rest. After a time, we noticed a sna...

2015-09-02 13:52:00 99

转载 Do you call that a hat?

原文 "Do you call that a hat?" I said to my wife. "You needn't be so rude about it," my wife answered as she looked at herself in the mirror....

2015-09-01 13:53:00 141

转载 Food and talk

原文 Last week at a dinner party, the hostess asked me to sit next to Mrs. Rumbold. Mrs. Rumbold was a large, unsmiling lady in a tight black...

2015-08-28 13:36:00 132

转载 Am I all right?

原文 While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful, but the doctor refused to...

2015-08-27 13:15:00 128

转载 Everything except the weather

原文 My old friend, Harrison, had lived in the Mediterranean for many years before he retired to England. He had often dreamed of retiring in...

2015-08-13 13:48:00 180

转载 The Olympic Games

原文 The Olympic Games will be held in our country in four years' time. As a great many people will be visiting the country, the government w...

2015-08-12 19:31:00 144

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