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] # sed-n '/ruby/p ' ab #查询包括关键字ruby所在所有行[[email protected] ruby] # sed-n '/\$/p ' AB #查询包括关键字 $ where all lines, using backslashes \ Shielding special meaningAdd one or more lines of string[email protected] ruby]# Cat ABHello!Ruby is me,welcome to my blog.End[[email protected] ruby]# sed ' 1a drink tea ' ab#第一行后增加字符串 "Drink Tea"Hello!Drink teaRuby is me,welcome to my blog.End[[email protected] ruby]# sed '

] ruby]# Cat ABHello!Ruby is me,welcome to my blog.End[[email protected] ruby]# sed ' 1a drink tea ' ab#第一行后增加字符串 "Drink Tea"Hello!Drink teaRuby is me,welcome to my blog.End[[email protected] ruby]# sed ' 1,3a drink tea ' ab #第一行到第三行后增加字符串 "Drink Tea" hello! drink Tea

I. Definition Template method is based on the design pattern of inheritance, which can improve the scalability of the system. Abstract parent class, subclass in JavaThe template method has two parts structure, the first part is abstract parent class, the second part is the concrete implementation subclass. Second, the example Coffee or tea(1) Boil the water(2) soaking tea with boiling water(3) Pour the

/bash 6 Sync:x:5:0:sync:/sbin:/bin/sync 7 Shutdown:x:6:0:shut Down:/sbin:/sbin/shutdown ..... (omitted later) ... Did you see that? Sed's action is ' 2,5d ', and that D is delete! Because 2-5 rows to him deleted, so the data displayed there is no 2-5 line Luo ~ In addition, note that the original should be issued SED-E only, no-e also line! Also note that the action behind the SED, be sure to enclose in ' two single quotes!If the types of questions change, for example, if you jus

Optimized for one months on the Tea Mall website, the overall feeling is not very smooth, because it can work hard place is too little, occasionally only through the community forum to send posts, do the anchor text link, the column pages are mainly pictures of the page, there is no way to update it, Only through the promotion of the chain to do the keyword ranking, so that the effect is not very good, through the small update of the Baidu Tricycle fo

cactus, The result at home wail to pull out one hours of thorn ... Equipment: Tea China's tea culture has a history of thousands of years, this is a great thing, the benefits are too much: Black tea: antibacterial, help gastrointestinal digestion, promote near appetite, can diuretic, eliminate edema, and strong myocardial function. Green

, multi-type query, paging query, time-outCurl:curl-xget Http://192.168.79.131:9200/shb01,shb02/stu,tea/_search?prettyCurl-xget Http://192.168.79.131:9200/_all/stu,tea/_search?prettyBrowser Remove Curl–xget canPage outCurl-xget http://192.168.79.131:9200/shb01/stu/_search?size=2from=0TimeoutCurl-xpost http://192.168.79.131:9200/_search?_timeout=100UpdateEsPartial updateIf you have a lot of fields in documen

of logical thinking in Berlin in 1981. It is said that only 2% of people in the world can answer the question. Even the well-known Einstein has become a headache, so this question is often used by well-known companies at home and abroad for interview questions. I believe many of my friends have only made one answer, what should I do if you happen to belong to 98%. It doesn't matter. If you use a computer to solve this problem, it will be very easy. The program code is as follows: Using System;

Morning: Huangshan maofeng or Longjing The first thing to do in the morning is to make tea. Since the beginning of winter, every night, the time for getting up in the morning of the next day is calculated almost every minute, and then the alarm is adjusted. The alarm was set early several times.15Minutes, but the next day the alarm only woke up my fingers: I never got up at the last moment. In my heart, it seems that if I didn't take full adv

* and mung bean respectively. Add a bowl of boiling water, add a proper amount of ice sugar, and go to Reed root to eat bean and drink soup. Take the second day, and take the three days. Shengjin runfei, Fire Relief and fever relief. 21. Chronic Hepatitis: use white mougen * Two or two at a time, and cook a bowl of water-served soup three times a day. Generally, you need to take it for half a month to avoid being spicy. 22. Gall, kidney, and urethrie stones: 50 grams of Chicken Inner gold and c

the "Tianfu" of the superior South Road. Not only the cold noodles, but also others are delicious. Only recently, the price of vegetables has increased. A "fish-flavored shredded pork" costs 15 yuan.25. South Korea's "Hanjiang barbecue" in the south of Shengli road is also good. It is clean and has a good mood, but it is not suitable for too many people to eat. Tea is barley tea.26. At the intersection of

sub-subclass of this subclass is called a classic class... # Only in python2 can the new and classic classes be distinguished # What is the difference between a new class and a classic class in attribute search ??? 2 solve Class and Class Code redundancy issues based on inheritance # How to reuse the function of the parent class in the new function derived from the subclass:# Method 1: access a function in a class by name. It has nothing to do with inheritance. Class oldboypeople:School = 'oldb

increase blood sugar concentration, reduce the concentration of alcohol in the blood, relieve the wine, reduce the symptoms of heart palpitations, and eliminate chest depression. ☆Olives --> anorexia after drinkingOlives have been a "good medicine" for waking up, refreshing stomach heat, and appetizing appetite since ancient times. They can effectively improve the symptoms of anorexia after drinking. It can be eaten directly or served with Rock Sugar stew. I thought

Introduction The template method (templatemethod) definesAlgorithmAnd delay some steps to the subclass. The template method allows the subclass to redefine certain steps of an algorithm without changing the structure of an algorithm. The template method isCodeThe basic reuse technology is particularly important in the class library because it extracts the public behavior in the class library. The template method leads to a reverse control structure, which is the legendary "Hollywood law", tha