Delphi Tstringlist Usage DetailedTstringlist Common Methods and properties:varlist:tstringlist; I:integer;beginList:= Tstringlist.Create; List.add ('STRINGS1');{Add}List.add ('STRINGS2'); List.exchange (0,1);{Displacement}List.insert (0,'STRINGS3');{Insert}I:= List.indexof ('STRINGS1');{the first occurrence of the position}List.sort; {Sort}list.sorted:= True;{Specify sort}List.count; {Total}List.text; {Text Collection}List.delete (0);{Delete, 0 is the first data}List.loadfromfile ('C:/tmp.txt');
................................... ........................................ ...................................... 5810.2 what is authentication .................................... ........................................ ......................................... 5810.3 what is authentication .................................... ........................................ ......................................... 5810.4 Oma authentication method .................................... .............
Omniswitch the command to view the log is: Format: Show log swlog [timestamp start_time [end_time]]show log swlog timestamp 05/21/2015 11:30 05/21/201 5 12:30Discover that adding a router privately causes DHCP distribution to confirm the router IP, find the MAC, switch to the MAC corresponding port, close this port to search for this router location, master its Administrator account and password, turn off the DHCP function.Show configuration Snapshotshow VLAN rules add managed switch, MAC addres
When matching a class, jquery is used for a relatively clumsy method. Both the class name of the target node and the expression must be processed before they can be used.
Match = "" + match [1]. replace (// \/g, "") + ""; for (VAR I = 0, ELEM; (ELEM = curloop [I])! = NULL; I ++) {If (ELEM. classname ("" + ELEM. classname + ""). replace (/[\ t \ n \ r]/g ,""). indexof (MATCH)> = 0 )){//*******************}}
If match is. AAA, it is okay to use only
Scenario 1:
Table Data
Name score
AAA 11
AAA 19
Bbb 12
Bbb 18
CCC 19
Ddd 21
The expected query result is as follows:
Name score
AAA 30
Bbb 30
CCC 19
Ddd 21
CopyCode The Code is as follows: --- check whether the table exists
If exists (select * From sysobjects where name = 'testsum ')
Drop table testsum
Go
--- Create a table
Create Table testsum
(
TID int Prima
The concept of a property is present in OC1.0, in the form of defining an instance variable, then defining the setter and Getter methods, manipulating the properties with the dot operatorFor example, the interface part of a class1 @interfaceFather:nsobject2 {3 Nsinteger _item;4 }5 #pragmaMark-Properties6-(void) SetItem: (Nsinteger) item;7-(Nsinteger) item;8 9-(void) Setaaa: (Nsinteger) AAA;Ten-(Nsinteger) AAA
Basic php questions for help !!!!!! This is the case: I query one record from the mysql database. This record contains variables such as nbsp; {$ aaa} and {$ bbb, now I want to assign values to the two variables before the output, but the output result is still a variable .... Example: $ rs_ SQL nbsp; mysql_query (select nbsp; content nbsp; from nbsp; table php basic questions for help !!!!!!
This is the case: I query one record from the mysql d
PHP Reflection class and ReflectionObject usage method. PHP extension reflection class, which is used to analyze php programs, export or extract detailed information about classes, methods, attributes, parameters, and so on, including comments. Looking at this problem, the extension reflection class in php Class PHP is used to analyze php programs and export or extract detailed information about classes, methods, attributes, parameters, etc, including comments.
Let's look at this question. the m
@aaa: #222, the system all the default color with the @aaa to write, this time if you need to modify the global color, we just need to change the value of the @aaa variable is good, other places do not have to make any changes, this, It should be easy to understand as a programmer.
Say 1000 10,000, practice is the king, following the blogger together to see some
parameter to limit the number of returns, this is no longer explained in detail, focusing on the two states of the third enumeration we do a small test:
Example four: Include an empty element in the split function.
Instance string: Aaaa,,aaa,aaa,aaa,,,, AAA
The code is as follows:
The code is as follow
Hello, mu Sunny again to update, today, with everyone to talk about the function of the headache and function declaration, anyway, I looked at that high-level program, is not how to see too much, haha. I am a more basic person, join me in exploring the world of function expressions and function declarations.First of all, look at their Yan value:Functions Declaration : Function Function name () {}function expression: Functions name (writable and not writable) () {};(Do not write an anonymous func
Customer Feedback today: the cgi program compiled by perl cannot run and an error is reported. view the log:[Mon Aug 22 16:12:57 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa. cgi[Mon Aug 22 16:12:58 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa. cgi[Mon Aug 22 16:12:58 2011] [error] [client 59.57.251.34] Premature end of script headers:
Use version: Centos 6.6Basic commands for catalogs (mkdir, tree, Touch, RM, CP, MV)Create directory MkDirmkdir AA bb cc Create multiple folders in this directory at the same time[[email protected] tmp]# mkdir AA bb cc[[email protected] tmp]# LSAA BB cc Yum.logmkdir-p aa/bb/cc add p to recursively create a directory[email protected] tmp]# tree-c aa/#查看aa目录的结构aa/└──bb└──ccMKDIR-PV dd/ee/ff Plus v visual display Create directory procedure[[email protected] tmp]# MKDIR-PV dd/ee/ffmkdir:created direc
An extended reflection class in PHP that is used to analyze PHP programs, to export or extract details about classes, methods, properties, parameters, and so on, including comments.
To see a problem like this, the member variables of the PHP class are not declared in the class, but are declared in the function, what's the difference?
Copy Code code as follows:
Class test{
Private $name;
Private $sex;
function __construct () {
$this->a
databaseThe master-slave replication configuration is as follows:One. To operate on the primary server:1), ensure that the/ETC/MY.CNF has the following parameters, no need to manually add, and restart the MySQL service.[Mysqld]Log-bin=mysql-bin starting a binary fileServer-id=1 Server ID2), log in to MySQL, add an AAA account to MySQL, and authorize it to the slave server.[[email protected] ~]# mysql-uroot–p123456 login mysql (default no password)mys
/desktop/shell/mem.txtDirName $A Removing the directory/root/desktop/shellbasename $A Take out filesMem.txtEcho ${a%/} Remove from right to left "/The content/root/desktop/shellEcho ${a%%.Remove from right to left maximum length.After the content/root/desktop/shell/memEcho ${a%%.txt} remove. txt content from right to left maximum length/root/desktop/shell/memEcho ${a##//} from left to right max remove all "//"Mem.txtEcho ${a#/*/}Desktop/shell/mem.txt1071 Aaa
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