R5;
Enable
Config t
Hostname R5
Int s1/1
Ip add 192.168.56.1 255.255.255.0
No shutdown
Exit
Int s1/2
Ip add 192.168.57.1 255.255.255.0
No shutdown
Exit
Router ospf 100
Network 192.168.57.0 0.0.0.255 area 0
Network 192.168.56.0 0.0.0.255 area 0
End
Recently saw thinkphp source of time to see some of the methods are anti-write, for example:
if(''==$name) { // 获取全部变量 $data = $input; $filters = isset($filter)?$filter:C('DEFAULT_FILTER'); if($filters) {
Recently, when I read the thinkPHP source code, I saw that some judgment methods are reversed, for example: {code ...} why is it & #039; & #039; $ name instead of $ name & #039; & #039 ;? What are the differences between the two types? Thank you!
Mysql supports the if format: IF (expr1, expr2, expr3) IF expr1 is TRUE (expr1lt; gt; 0 and expr1lt; gt; NULL), if () returns expr2, otherwise it returns
Mysql supports the if format: IF (expr1, expr2, expr3) IF expr1 is TRUE (expr1lt; gt; 0 and
From:Jgaoabc Space
Recently, I did some research on the Beidou 4.1 shell, and found that this shell has good compatibility, high compression, and easier shell modification. Therefore, I would like to recommend my shell modification method, after
Phpexcel, which is quite classic and powerful, exports tens of thousands or even hundreds of thousands of records of code. This question has been asked several times and has not been answered. Therefore, I will study it carefully and refer to
Search engines have become an integral part of our daily lives. I believe many of our friends have seen on the Internet what we will face if we don't have Baidu? You may have a deep understanding of this question. Currently
Search engines have
git add -AStages all
git add .Stages new and modified, without deleted
git add -uStages modified and deleted, without new
git initecho Change me > change-meecho Delete me > delete-megit add change-me delete-megit commit -m initialecho OK >>
In Cron, everyone prefers to write command &>/dev/null.I have been wondering what it means. First, the "&" in it does not mean running in the background. cron does not need to write back-end operations. He found the following information,
"Mastering all languages" may be a little exaggerated. I don't think too much about "mastering all the popular programming languages on the market.
How to define "learn C ++? I think I have read some typical C ++ books and articles written by
/*************************************** * ********************************** Type: Exercise 2-3 name: lx. c author: wubenzhimu data: 2012.11.16 function: Compile the htio (s) function to include a string consisting of hexadecimal numbers
Code
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->This method works well in the case of changes to the LINQ clause.
(Lgd_inn) toolbox. propertycopy (objinn, R );
/// /// Attribute assignment
Calculate the strongly connected component and reduce the point. Obtain the Dag of The New Graph and calculate the max value in the DAG (number of points with an inbound degree of 0 and number of points with an outbound degree of 0 );
Slag code:View
RAC-2 Configuration
[Oracle @ RAC-2. ssh] $ ssh-keygen-t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/oracle/. ssh/id_rsa ):
Enter passphrase (empty for no passphrase ):
Enter same passphrase again:
Your
Select count (*) from (select. * FROM (select cd. *, nvl (CV. SUM_CI_BALANCE, 0) as SUM_CI_BALANCE, nvl (CV. SUM_LN_BALANCE, 0) as SUM_LN_BALANCE FROM OCRM_F_CI_CUST_DESC CD left join (select cust_id, FR_ID, sum (CI_BALANCE) as sum_CI_BALANCE, sum
Mysql supports ifFormat:IF (expr1, expr2, expr3)IF expr1 is TRUE (expr1 <>; 0 and expr1 <>; NULL), IF () returns expr2; otherwise, expr3 is returned. IF () returns a number or string value.For exampleSelect if (1 Output yes
In addition, caseSelect
UNIX | SED -------------+---------------------------------------------------------------- cat | sed ':' cat -s | sed '/./,/^$/!d' tac | sed '1!G;h;$!d' grep | sed '/patt/!d' grep -v | sed '/pat
// Point 18: if the function is defined in the interface area, you do not need to use forward to declare unit unit1; interfaceuses windows, messages, sysutils, variants, classes, graphics, controls, forms, dialogs, stdctrls; Type tform1 = Class
GenericYes
Java SE1.5 of the new features, generic is essentially a parameterized type, that is, the operated data type is specified as a parameter. This type of parameter can be used to create classes, interfaces, and methods, which are called
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