comptia 902

*name = [student valueForKey:@"name"]; NSLog(@"学生姓名:%@",name); Course *course = [[[Course alloc]init] autorelease]; [course setValue:@"语文课" forKey:@"CourseName"]; [student setValue:course forKey:@"course"]; NSString *courseName = [student valueForKeyPath:@"course.CourseName"]; NSLog(@"课程名称:%@", courseName); //也可以这样存值 [student setValue:@"数学课" forKeyPath:@"course.CourseName"]; courseName = [student valueForKeyPath:@"co

practices -- 878 -- actual EJB -- 879--sql Server 2000 JDBC driver -- 880--j2ee Guide (English) -- 881--j2ee Guide (Chinese) -- 882--Java programmers must read: Basics -- 883 -- Java factory method (4 PDF )! -- 884 -- Jini Core Technology -- 885 -- start Question and Answer with Struts -- 886 -- j2's Guide -- 887 -- xml_java Guide -- 888 -- Struts-PDF -- 889--Java Daquan -- 890 -- Java2 SDK class library details -- 891--jboss-1.2.2 installation manual -- 892--jboss tutorial -- 893 -- bindingser

[Study Notes] [C Language] arithmetic operations, learning notes arithmetic operations There are 34 operators in C language, including common addition, subtraction, multiplication, division, and so on.1. addition operation + In addition to addition, the addition operation can also represent the positive signs: + 5, + 902. subtraction- The subtraction operation can also represent symbols-10 and-29.3. Multiplication operation * Note that the symbol is n

Test environment: slse11.2, 10.4, RedHat5.3, CentOS5 Decompress the packageGavin:/Oracle # tar-xzvf db2exc_975_LNX_x86.tar.gz Cd/oracle/special_27924_linuxia32_expc/ Graphical interface Installation ./Db2setup Manually install db ./Db2_install [default path:/opt/ibm/db2/V9.7] If you need to upgrade to the decompressed upgrade package, execute ./InstallFixPack-f level-B/opt/ibm/db2/V9.7 Register /Opt/ibm/db2/V9.7/adm/db2licm-a/oracle/special_27924_linuxia32_expc/db2/license/db2ee. lic Db2 does no

and add the row number before each message; CodingAnts@ubuntu:~/awk$ awk '{print NR,$0}' class1 class21 zhaoyun 85 872 guanyu 87 883 liubei 90 864 caocao 92 87 905 guojia 99 96 92 The row number here is implemented through NR. Every time an awk reads a record, the NR value is added. To change the row number of each class from the beginning, use FNR as follows: CodingAnts@ubuntu:~/awk$ awk '{print FNR,$0}' class1 class21 zhaoyun 85 872 guanyu 87 883 liubei 90 861 caocao 92 87

create font dialog box button Choose 4.3 add data panel 898 4.4 font list 899 Listen 4.5 Display the selected font 901 Ipv4.6 use separation panel 902 4.7 use the fine-tune button 903 20.4.8 use the single-choice button to select the font style 905 Listen 4.9 single-choice button 906 20.5 pop-up menu 908 20.5.1 display pop-up menu 910 913 implement context menu 20.7 change user coordinate system 921 20.8 select Custom color 937 20178.1 use cached ima

'struct event' magent. c: 818: Error: 'ev _ PERSIST 'is not declared (used for the first time in this function) magent. c: 818: Error: 'ev _ write' is not declared (used for the first time in this function) magent. c: In the 'start _ backup_transcation 'function: magent. c: 902: Error: 'SIZE' cannot be used for an incomplete type 'struct event' magent. c: 904: Error: 'ev _ PERSIST 'is not declared (Used for the first time in this function) magent. c:

descriptor, then establish a connection, data transmission and other operations are implemented through Socket. The programming process is as follows: the server first establishes a Socket and returns the Socket descriptor: configure the Socket port and IP address; create a * Number of sockets to check whether a client sends a request to the server, if yes, it will receive the request and put it in the receiving queue: accept a request from the receiving queue, and send the confirmation connect

GCD-usage and sumif Functions Code: -(Void) touchesBegan :( NSSet *) touches withEvent :( UIEvent *) event {dispatch_async (dispatch_get_global_queue (DISPATCH_QUEUE_PRIORITY_DEFAULT, 0 ), ^ {// parsing the url in the background NSURL * url = [NSURL URLWithString: @ "http://www.baidu.com"]; NSError * error; NSString * data = [NSString stringWithContentsOfURL: url encoding: NSUTF8StringEncoding error: error]; if (data! = Nil) {dispatch_async (dispatch_get_main_queue (), ^ {// success, jump back

How to modify the connection port of the remote console of ESX Server @ For ever 2010-1-18 By default, the VMware Remote Console port is 902. to modify the default port, follow these steps: 1. Modify the config fileIn the/etc/vmware/config file, modify authd. Client. Port = "" # The port you need. 2. Restart the xinetd service./Etc/init. d/xinetd restart 3. Restart the VMware management interface, that is, the VMware management interfa

that of other passive tags. When multiple readers are used, radio wave interference occurs between readers. In the United States, because 902 ~ Because of the large weekly band such as 928mhz, the weekly band is divided into multiple channels. As in the wireless network, multiple readers use different channels for communication to prevent interference. In Europe, as in Japan, only a small weekly band can be used. Therefore, before sending a mail, you

build hadoop on Windows 7. At this time, we need vmwarevm, ubuntu iso image file, Java SDK support, Eclipse IDE platform, and hadoop installation package; 1, vmwarevirtual machine, here is the use of VMware Workstation 9.0.2 for windows, the specific is the https://my.vmware.com/cn/web/vmware/details? Downloadgroup = WKST-902-WIN productid = 293 rpid = 3526, as shown in: 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M02/49/47/wKiom1QSY

system is not case sensitive, so the hash function needs to be changed accordingly. Do_lookup 900 /* This does the actual lookups.. */ 901 err = do_lookup(nd, this, next); 902 if (err) 903 break; This function will be introduced later Process Symbolic Links 913 if (inode->i_op->follow_link) { 914 err = do_follow_link(next, nd); 915

= Convert.FromBase64String(viewstate);byte[] uncompressedData =ViewStateHelper.Decompress(data);string str = Convert.ToBase64String(uncompressedData);LosFormatter formatter = new LosFormatter();return formatter.Deserialize(str);} The method retrieves _ myviewstate hidden field from Form collection. this field contains compressed version of The viewstate in base64 format. in order to decompress it you need to convert it into a byte array first. this is done via frombase64string ()Method of conve

you want this program to probe for an unused private subnet? (Yes/No/help) [Yes] Probing for an unused privatesubnet (this can take some time )... The subnet 192.168.193.0/255.255.255.0appears to be unused. The following host-onlynetworks have been defined: . Vmnet1 is a host-onlynetwork on private subnet 192.168.193.0. Do you wish to configure another host-only network? (Yes/No) [no] -Vmnet module loads perfectly into the runningkernel. Remote connection Port Please specify a port for remote c

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: 1042) Org.springframework.beans.BeanWrapperImpl.setPropertyValue (beanwrapperimpl.java:902) Org.springframework.beans.AbstractPropertyAccessor.setPropertyValues (abstractpropertyaccessor.java:75) Org.springframework.beans.AbstractPropertyAccessor.setPropertyValues (abstractpropertyaccessor.java:57) Org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues ( ABSTRACTAUTOWIRECAPABLEBEANFACTORY.JAVA:1450) Org.spr

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Get class :1) Dynamic Method:charAt : Gets the character at the specified position of the string. (parameter: one that specifies the character position to get)1, negative numbers are not accepted, and if negative, an empty string is returned.2, if the parameter is not given, the default is to get the No. 0 character on the position.3, only one parameter is received.charCodeAt : Gets the Unicode encoding of the character at the specified position in the string (parameter: one that specifies the c

0 1|0 0 40.1g 80.6g 2.03g 900 syslog:0.7% 0 1|0 1|0 111 K 587k 42 16:39:44 *0 1881 *0 *0 0 3|0 0 40.1g 80.6g 2.04g 894 syslog:0.7% 0 0|0 0|0 111 K 583k 42 16:39:45 *0 1927 *0 *0 0 1|0 0 40.1g 80.6g 2.06g 902 syslog:0.8% 0 0|0 0|0 113 K 598k 42 16:39:46 Insert Query Update delete getmore command flushes mapped vsize res faults locked db idx Miss% QR|QW Netin Netout Conn Time *0 1950 *0 *0 0 3|0 0 40.1g 80.6g 2.07g 912 syslog:0.6% 0 37|0 1|0 115 K