result, the first column is the file name, the second column is the record number, and the third column is the number of fields for each record.
#awk-F,‘{printFILENAME,NR,NF}‘employee.txtemployee.txt13employee.txt23employee.txt33employee.txt43employee.txt53
Awk variables and operators:
Unary operator:
+: Returns the current number.
-: Negative number.
++: Auto-Increment
--: Auto-Subtraction
+:
#catemployee-sal.txt101,JohnnyDoe,CEO,10000102,JasonSmith,ITManager,5000103,RajReddy,Sysadmin,4500104
games, so do not worry too much about them.
Wuyi and fengjue
Today, I will refer to some bronzes that appear in the xuanyuan sword through the title, that is, the smog and the wind Jue.China has a long history of using copper. Our ancestors discovered and started using copper about six or seven thousand years ago. Adding tin and lead to copper can reduce its melting point to 800 or 900 degrees. Then it's easy. In this way, you can use it to create more tools and weapons and create some utensils
to the enterprise's network; good compatibility provides convenient conditions for network expansion and can protect the value of buyers.
CISCO 4500 series switches are recommended in this location. The CISCO 4500 series switches provide excellent compatibility and provide non-blocking layer-2 switches, in this way, both old network devices and new network devices of the enterprise are compatible with each
Test environment:CREATE TABLE Bqh6 (XM varchar2), Bmbh number (2), Bmmc varchar2 (), GZ int);INSERT into Bqh6 values (' Zhang San ', 01, ' Technical Support ', 3500);INSERT into BQH6 values (' John Doe ', 02, ' Research ', 4500);INSERT into Bqh6 values (' Harry ', 03, ' External mapping ', 5000);INSERT into Bqh6 values (' Xiao Cui ', 02, ' research and Development ', 8000);INSERT into BQH6 values (' Money six ', 01, ' Technical Support ', 5500);INSERT
be inserted during installation.3. symptom Description: The system prompts "Ike and peer connection timeout, Ike or IPSec configuration error or network failure"Procedure:1) check whether the IPsec Policy of the organization's network firewall enables NAT traversal. If not, enable NAT traversal;2) Check whether UDP ports 500, 1701, And 4500 of the network firewall are open. If not, open the firewall;3) Check whether TCP ports 500 and
similar to the 26 series. It enters the monitoring mode and runs the conf Reg command. When started, the configuration file is ignored for Direct start. This method is also applicable to vrouters 4500, 7500, and 12000.
Methods for changing the ROM status of a 7cisco series router
There are different methods for Cisco routers to enter the ROM status, but generally the following three methods can be used to enter the ROM status. during use, you can try
male employee cannot enter the information.
4. Conditional UPDATE.For example, the following update conditions are available:
You can easily choose to execute two UPDATE statements, as shown below:
-- Condition 1 UPDATE PersonnelSET salary = salary * 0.9 WHERE salary> = 5000; -- condition 2 UPDATE PersonnelSET salary = salary * 1.15 WHERE salary> = 2000 AND salary
However, it is not as simple as you think. Suppose there is a personal salary of 5000 RMB. First, according to condition 1, the sal
New college graduates have entered a critical period of employment contract signing. Who will receive more "three-five fights" in salary this year? Recently, this journal has gone deep into colleges and universities in this city to make a survey, hoping to provide some inspiration and help for new graduates who have not yet signed contracts with these visualized cases, rather than boring statistics, at the same time, it also provides some reference and reference for college students who are not
Next
4. Conditional update.
For example, the following update conditions are available:
For employees with a salary of more than 5000, the salary is reduced by 10%.
Employees with salaries between 2000 and 4600 increase by 15%
You can easily choose to execute two update statements, as shown below:
-- Condition 1UpdatePersonnelSetSalary = salesary * 0.9WhereSalary >=5000;-- Condition 2UpdatePersonnelSetSalary = salesary * 1.15WhereSalary> = 2000AndSalary
However, it is
How to Use Case in SQL (Part 2)
Next
4. Conditional update.
For example, the following update conditions are available:
For employees with a salary of more than 5000, the salary is reduced by 10%.
Employees with salaries between 2000 and 4600 increase by 15%
You can easily choose to execute two update statements, as shown below:
-- Condition 1Update personnelSet salary = salary * 0.9Where salary >=5000;-- Condition 2Update personnelSet salary = salary * 1.15Where salary> = 2000 and salary
McDATA announced that StorageTek will sell McDATA's Sphereon 4300 optical fiber switch with Flexport technology to its global customers, providing easy edge connections for enterprises of all sizes.
StorageTek, Vice President and General Manager of Information lifecycle management solutions, Mark? "McDATA's storage network products are very helpful for promoting StorageTek's information lifecycle management solutions because they can reduce costs and complexity for customers, it also helps the
possible in the SACK block to contain the packets that have been ordered out of order, until the length of TCP option is reached, the order of these blocks to indicate "which packets recently received", the more recent packets received ( The wording is not accurate, according to the TCP standard, should say is the data section! Should be in the front, this is similar to the principle of the LRU list. This helps the data sender to make precise decisions.2.3. When the receiving end responds with
information:In Avimainheader:The dwstart and dwlength fields specify the starting time of the AVI file and the length of the file. The units is defined bydwrate and Dwscale. The dwstart field is usually set to zero.The dwscale and dwrate fields is used to specify, the general time scale, the file would use. In the addition to the time scale, the each stream can has its own time scale. The time scale in samples per second are determined by dividing dwrate by Dwscale.In Avistreamheader:Dwscale is
DoubleSfgz, SL, SSKCS, YFGZ,A,YJS;//salary should be paid (basic salary), tax rate, calculator deduction, salary should be issued, judge the standard, pay the amount of tax//double QZD = 3500;//It's useless to start a levy.Console.Write ("Please enter your salary number:"); Yfgz=convert.todouble (Console.ReadLine ()); //(Salary payable-3500) * Tax rate-Calculator deduction = How much tax should be paid////1500//4500//9000//35000//55000//80000a=yfgz-35
have new creations. Do things as well, can not be isolated, a friendly working environment, often get unexpected harvest.The author also wrote that his father was laid off for 6000 yuan, the author used 4500 to buy a computer, it can be imagined that the author was under the pressure of how big. The author did not waste this 4500, he not only learned the knowledge of the class, but also learn other, such a
Suppose the individual income tax is: tax rate * (Salary-1600). Please write a program to calculate the income tax payable, where the tax rate is defined as:
When wages do not exceed 1600, the tax rate is 0;
When the wage is in the interval (1600, 2500), the tax rate is 5%;
When the wage is in the interval (2500, 3500), the tax rate is 10%;
When the wage is in the interval (3500, 4500), the tax rate is 15%;
When wages exceed
-- If the score is 100-if the score is 90, select * fromTblScoreselect (casewhentEnglish90then Liang whentEnglish100then excellent end) and math (casewhentMat -- if the score is greater than 100)
-- If the score is greater than 90 good
Select * from TblScore
Select English score =
(Case when tEnglish> 90 then 'Liang' when tEnglish> 100 then 'out' end ), mathematical score = (case when tMath> 90 then 'Liang' when tMath> 100 then 'out' end) from TblScore
-- Second exercise 1 2 3
Select * from user
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