wonkju

摘要： cat /etc/passwdsample of list users in linux.ref: Linux Command: List All Users In The System 阅读全文

摘要： ref: How to start Linux in multiuser mode rather than boot directly into XWindows (X11) steps:Log in to the server as root.Typevi /etc/inittab.When ... 阅读全文

摘要： Stopping & Startingshutdown -h now– Shutdown the system now and do not reboothalt– Stop all processes - same as aboveshutdown -r 5– Shutdown the syste... 阅读全文

摘要： 1 2 vc 3 4 vb 5 6 vf 7 8 vj 9 ... 阅读全文

摘要： ref: JNI typeThe mapping between the Java type and C type is:Type SignatureJava TypeZbooleanBbyteCcharDdoubleFfloatIshortJlongLobjectSshortVvoidLfull... 阅读全文

摘要： ref: printfspecifierOutputExampledoriSigned decimal integer392uUnsigned decimal integer7235oUnsigned octal610xUnsigned hexadecimal integer7faXUnsigned... 阅读全文

摘要： 1 1, get value:$( "#myselect" ).val();//=> 12, get (inner)text:$( "#myselect option:selected" ).text();// => "Mr"ref:How do I get the text value of a ... 阅读全文

摘要： .val()works on input elements (or any element with a value attribute?) and.text()will not work on input elements..val()gets the value of the input ele... 阅读全文

摘要： OpenWindows -> Preferences. 2.SelectjrefromInstalled JREsthen hitEdit botton on the right. 3.browse the installed jre path for the jre home. 4.... 阅读全文

摘要： 3 table S(student), C(course), SC(StudentCourse):s(sno,sname)c(cno,cname,cteacher)sc(sno, cno, scgrade)Q:找出没选过“liming”老师的所有学生姓名.列出2门以上（含2门）不及格学生姓名及平均成... 阅读全文