iwork 09

By accessing member variables directly through an object, there is a data security issue (such as age cannot be negative). At this point, we can't let outside objects directly access member variables.Private keywordis a permission modifier.Members can be decorated (member variables and member methods)Members that are modified by private are only accessible in this class .The member variables are generally decorated with private, and then the corresponding getxxx () and Setxxx () methods are prov

body of a simple tag.If the value of the label body Body-content is set to tagdepentend, then it means that the contents of the tag body are used for the label processor class.For example: Develop a SQL tag that queries the user, and the SQL statement in the tag body is used for the label processor of the SQL label.3, if there are two tag libraries with the same URI, you cannot simply refer to the tag library via a URI, which can be distinguished by uri= the tag library TLD directory/web-inf/ga

There are several reasons why the "no installed service named" apache2.2 "" is as follows:Description: The server icon is red, and this start, Stop, restart these three icons are restored, in fact, Apache server can manually start the service, just inconvenient.Explain why:1.IIS, Apache, Tomcat and other servers in the "80", "8080" port conflict, such as this situation, automatic, manual can not start the Apache server.2. Due to different versions, some are not Apache files, some are not apache2

/config | head -n 1 | awk '{print $2}' | base64 -d >> kubecfg.crt# 生成client-key-datagrep 'client-key-data' ~/.kube/config | head -n 1 | awk '{print $2}' | base64 -d >> kubecfg.key# 生成p12openssl pkcs12 -export -clcerts -inkey kubecfg.key -in kubecfg.crt -out kubecfg.p12 -name "kubernetes-client" 3. Finally, in the browser to import the above generated P12 file, re-open the browser Because the certificate cannot be passed through the visa, or cannot access the IngressUsing

Today in the program appeared a bugger, debugging for a long time, finally found that the original is this problem. An experiment was done: Alert (parseint ("01")), when the value inside this is 01==== 07 o'clock is normal, but in "08", "09" will return 0 (this phenomenon appears in IE kernel browsers, such as 360 browsers will be the error) ( Google, Firefox is not affected). Access to information on the causes of this phenomenon: The interpre

2017-02-09 top-down: Transport Layer overview, Transport layer and network layer relationships, multiplexing and multiplexing, UDP introduction Logical communication (logic communication), transport beginning (segment), Best effort delivery service (Best-effort delivery service), unreliable services (unreliable service), Multiplexing (Transport-layer multiplexing), multi-channel decomposition (demultiplexing), data transfer (reliable data transfer), c

blocks that are k;---if: Read the source of free space, why is zero, not clear, first fixed so write it;2. Set the Swapfile to swap space# Mkswap Swapfile3. Enable Swap space, this operation is somewhat similar to the mount operation (personal understanding):# Swapon SwapfileNow that the swap space has been increased, you can use the free command to see if the size of the swap space has changed;4, if no longer use space can choose to turn off swap space, this operation is somewhat similar to th

Tags: password detection650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M01/8B/56/wKioL1hKPTOzzTBQAAGhSn237gw355.png-wh_500x0-wm_3 -wmp_4-s_3580728336.png "title=" Untitled. png "alt=" wkiol1hkptozztbqaaghsn237gw355.png-wh_50 "/>This version is modified with the help of the elder brother, the main modification scope Patch several error codes Add shortcut menu Modify title to avoid detection Modify the title to avoid detection after loading the file Add two external DLLs

file and prevent the log from taking up too much space ' log_file= '/var/log/ Openstack_mysql_replication_monitor.log ' size= os.path.getsize (log_file) / (1024*1024) ifsize>=100: os.remove (log_file) logging.info ('%shavebeenremove ' % (log_file)) if__name__== "__main__": clean_log () warn_receiver= "Happy;" ifmonitor_mysQl_replication (): send_warnings (receiver=warn_receiver,content= ' cloud platform MySQL master-slave replication state failed, please check the database status ', Title=

Label:2015-10-23DirectoryResources[1] Lin Shuze. Oracle 11g R2 dba operation Guide [M]. Beijing: Tsinghua University Press, 2013[2] Oracle parameter file[3] Oracle parameter file[4] Introduction to Oracle parameter files[5] The server parameter file (spfile) of the Oracle 11G parameter file and the instance initiation relationship[6] ORACLE parameter file[7] DBA entry Oracle Database parameter file[8] Oracle parameter file[9] Backup and recovery of parameter files[Ten] Oracle static parameter fi

from table name Select action: Select Column name from table name where condition (single condition) Select column A, column B from table name where condition A and condition B (multi-condition) Computed columns: Select column A + column B from table name Select action: SELECT * FROM table name where column a=100 is executed when column a=100 is true Fuzzy query (like): SELECT * FROM table name where column A like ' condition ' % denotes wildcard character (contains 0 or more characters) _ indi

the user you are currently logged into User_name Returns the user name from the given user ID SELECT user_name (1)return: Return "dbo" from any database Comparison: LEN () is used to get the length of a string. Datalength () is used for the number of bytes of memory that the user gets an expression. When the parameters are character-type data, they can be common, for example, "Select LEN (' 6 ')", "Select Datalength (' 6 ')" Return all 1, and "Select Datale

cat, tacmore, less, tail, headMoreMore [OPTIONS ...] FILE ...-D: Show page flipping and exit tipsLessLess [OPTIONS ...] FILE ...HeadHead [OPTION] ... [FILE] ...-C #: Specify get before # bytes-N #: Specifies the first # line to get-#：Tailtail [OPTION] ... [FILE] ...-C #: Specifies the # bytes after fetching-N #: Specifies the # line after fetch-#：-F: Trace displays the new content of the file;2018-01-09 Linux text File view class commands

exceptions only need to skip one step to recover>slave stop;>set GLOBAL sql_slave_skip_counter = 1;>slave start;B. The last Bin-log log of the master library is restored when a power outage causes the master/slave to fail to synchronizeOn the main library server, Mysqlbinlog mysql-bin.xxxx > Binxxxx.txtTail-n 100000 binxxxx.txt > Tail-binxxxx.txtVim Tail-binxxxx.txt Open a tail-binxxxx.txt file to find the last Postion valueThen on the From library, change the host to the corresponding correct

EndurerOriginal2006-09-062Version2006-09-02 No.1Version The website hxxp: // www.94l **** m.com/homepage opens the webpage based on the cookie value:/------------Hxxp: // www. Dudu ** {com/web/dudu?###13.htm------------/Or/------------Hxxp: // www. Dud ** uw.com/web/dudu??#=12.htm------------/ Dudu ***** 13.htm and Dudu ***** have encrypted VBScript code in 12.htm. XMLHTTP and scripting. fileSystemObject do

Java concurrent programming practice directory Concurrent Programming 01 -- concurrenthashmap Concurrent Programming 02 -- blocking queue and producer-consumer Mode Concurrent Programming 03 -- locking countdownlatch and barrier Concurrent Programming 04 -- callable and Future Concurrent Programming 05 -- completionservice: executor and blockingqueue Concurrent Programming 06 -- cancel a task Concurrent Programming 07-task cancellation interrupted Concurrent Programming 08 -- stop thread

Reference documentshttp://my.oschina.net/lxcong/blog/150617Deployment of 1.masterReference previous 2015-09-032. Deploying Master/slavesA.master End1) Add the configuration to the master and add the following to the configuration file2) Generate Master checksum file3) Restart Smokeping serviceB. At the slaves end1) generate the Slaves checksum file2) Start slaves serviceConfiguration file Reference for MasterSmokeping page and RRD images support Chine

The method of modifying the hosts is as follows:1. Locate the Hosts file, which is located in the C:\WINDOWS\system32\drivers\etc directory under the WINDOWS system. 2. Open the hosts in Notepad, add the address in the following document and save it, note that the Hosts file does not have a suffix.If you are using a Linux system classmate, please modify /etc/hosts this file. If it's an Apple Computer (Mac), open your file manager (i.e. Finder)Then, press the shortcut key combination "SHIFT+COM

[ASP.MVC Calf Road]09-controller and Action (1) We know that in MVC each request is submitted to the Controller for processing. Controller is closely related to the request, it contains the logical processing of the request, can operate on the Model and choose View to render to the user, for business and Data logic code, as well as interfaces and auxiliary class library, etc. generally do not put into the Controller.The Controller and the Action conte

[2016-02-09] [JavaScript] [Data type coercion] Similar to implicit conversions Boolean () converts to a Boolean value String () converts to strings Number () is converted to a numeric type parseint (String,radix)//Convert to integral type String that needs to be converted. String starts with 0, 8 binary Start with a different number, 10 binary 0x start, 16 binary In other forms, the nu