sc2

The day before yesterday, Star 2 showed his true face in South Korea. I was excited. Why do I go to an internet cafe at noon every day in junior high school? StarCraft and quake3. Haha, the next plan seems to be postponed. It will take one of the reference items that run SC2. however, blizzard seems to like to skip the ticket for a long time... There have been a lot of things over the past few days. Please hurry up and try again. Update:The teacher

Environment Introduction:Os:centos 6.4 x86_64 MinimalServers:sc2-log1,sc2-log2,sc2-log3,sc2-log4Client:sc2-ads15 Specific steps:1. Install the Glusterfs package on Sc2-log{1-4}: The code is as follows Copy Code # wget-p/ETC/YUM.REPOS.D Http://download.gluster.org/pub/gluster/glusterfs/LATE

Background Introduction:The project is currently in the file synchronization with Rsync, in the attempt to replace the distributed file system, the use of moosefs, the effect is not satisfactory, after understanding the Glusterfs, decided to try, because it compared with moosefs, feel more simple deployment, At the same time there is no meta-data server features so that it does not have a single point of failure, it feels very good.Environment Introduction:Os:centos 6.4 x86_64 MinimalServers:sc2

SWHERE not EXISTS (SELECT * from Sc,cWHERE SC. Cno=c.cnoAnd C.cteacher= ' Li Ming 'and SC. SNO=S.SNO)2. List the names of students with two or more (including two) failing courses and their average grades--Implementation code:SELECT S.sno,s.sname,avg_scgrade=avg (SC. Scgrade)From S,SC, (SELECT SNOFrom SCWHERE scgradeGROUP by SNOHaving COUNT (DISTINCT CNO) >=2A WHERE S.sno=a.sno and SC. Sno=a.snoGROUP by S.sno,s.sname3. List the names of all students who have studied the "1" course and have stud

'),(2, ' money electricity ', ' 1990-12-21 ', ' Male '),(3, ' Sun Feng ', ' 1990-05-20 ', ' Male '),(4, ' Levin ', ' 1990-08-06 ', ' Male '),(5, ' Zhou Mei ', ' 1991-12-01 ', ' Women '),(6, ' Wu Lan ', ' 1992-03-01 ', ' Women '),(7, ' Qingshou ', ' 1989-07-01 ', ' Women '),(8, ' Wang Ju ', ' 1990-01-20 ', ' female ');# Teacher TableInsert INTO teacher values(1, ' Zhang San '),(2, ' John Doe '),(3, ' Harry ');# timetableINSERT INTO course values(1, ' language ', 2),(2, ' language ', 1),(3, ' lan

from student sWhere Sno not in(SELECT DISTINCT (SC1.CNO) from class C,SC sc1,student swhere C.cno=sc1.cno and Sc1.sno=s.snoAnd C.cteacher= ' Li Ming '); /* The second question lists the names of students with two or more failed courses and their average scores * *Select S.sname as student name, AVG (Ssc.scgrade) as average score from student s, SC SSC, (select Sno from SCwhere scgradeGROUP by SnoHaving COUNT ((CNO) >=2)) awhere S.sno=a.sno and Ssc.sno=a.snoGROUP by S.sno,s.sname; /* The name of

studied the Chinese also learned the student information of mathematics select S. ' Stud Entid ' as student number, S. ' Studentname ' as student's name, S. ' Studentgender ' as student gender, S. ' Studentage ' as student age from studentinfo as Sinner JOIN Scoreinfo as Sc1on S.studentid = Sc1.studentid and Sc1.courseid = (SELECT CourseID from courseinfo WHERE coursename = ' language ' ) INNER JOIN scoreinfo as Sc2on S.studentid =Sc2.studentid and

. allow 10.60.1. *, 10.70.1 .* Add a GlusterFS Node # Gluster peer probe sc2-log5 # Gluster peer probe sc2-log6 # Gluster volume add-brick models sc2-log5:/data/gluster sc2-log6:/data/gluster Migrate GlusterFS data # Gluster volume remove-brick models sc2-log1:/usr/local/sha

913M 0 913M 0%/dev/shmTmpfs tmpfs 913M 8.8M 904M 1%/runTmpfs tmpfs 913M 0 913M 0%/sys/fs/cgroup/dev/sda6 ext4 35G 4.7G 29G 15%/var/dev/sda3 ext4 9.8G 37M 9.2G 1%/Home/DEV/SDA1 ext4 477M 94M 354M 21%/bootTmpfs tmpfs 183M 0 183M 0%/run/user/0Glusterfs1:models fuse.glusterfs 50G 1.5G 46G 4%/mnt/modelsOther Operations Commands。 Delete Glusterfs disk-->gluster volume stop models stops first-->gluster Volume Delete Models。 Uninstalling the Glusterfs disk-->gluster Peer Detach Glusterfs4。 ACL access c

:-- 1 query the student ID of all the students whose scores are higher than those of the "001" Course;Select * From t_ SC;SelectSc1.s _ id from t_ SC SC1, t_ SC SC2 where sc1.s _ id = sc2.s _ id and sc1.c _ id ='001' and sc2.c _ id = '002' and sc1.score> sc2.score;-- 2. query the student ID and average score of student

more courses fail. -- Implementation code:Select S. SNO, S. SNAME, AVG_SCGRADE = AVG (SC. SCGRADE) From s, SC ,( Select SNO FROM SC Where SCGRADE GROUP BY SNO Having count (distinct cno)> = 2 ) A Where S. SNO = A. sno and SC. SNO = A. SNO Group by s. SNO, S. SNAME 3. List the names of all students who have learned course 1 and course 2 -- Implementation code: Select S. SNO, S. SNAME From s ,( Select SC. SNO From SC, C Where SC. CNO = C. CNO And c. cname in ('1', '2 ') GROUP BY SNO Having count

')And SC. check_time Group by info. fouth_area) MAP2 on map2.areacode = area. areacode Left join(Select count (sc2.id) num3, info. fouth_area as areacode from jd_safe_check SC2 inner join jd_company C on C. ID = sc2.par _ Id2Inner join fk_user_info info on info. ID = sc2.user _ idWhere

of students whose scores are equal to those of the course No. -- Implementation code: Select S. SNO, S. SNAME From s ,( Select SC1.SNO From SC SC1, C C1, SC SC2, C C2 Where SC1.CNO = C1.CNO AND C1.NAME = '1' AND SC2.CNO = C2.CNO AND C2.NAME = '2' AND SC1.SCGRADE> SC2.SCGRADE ) SC Where S. SNO = SC. SNO 5. List the student IDs of all students whose scores are hig

students whose scores are equal to those of the course No. -- Implementation code: Select S. Sno, S. sname From S ,( Select sc1.sno From SC SC1, C C1, SC SC2, C C2 Where sc1.cno = c1.cno and c1.name = '1' And sc2.cno = c2.cno and c2.name = '2' And sc1.scgrade> sc2.scgrade ) SC where S. Sno = SC. SnO 5. List the student IDs of all students whose scores are higher

equals_default:system.web.ui.page{ protected void Page_Load (object sender, EventArgs e) { SomeClass SC1 = new SomeClass (); SomeClass SC2 = new SomeClass (); Output false Response.Write (ReferenceEquals (SC1, SC2) + " Method 2:public Virtual bool Equals (object obj);Description: This method also compares references, but because the method is virtual, you can override

=c.cno Andc.cnamein (' 1 ', ' 2 ') Groupbysno Havingcount (distinct CNO) =2 ) scwheres.sno=sc. SNO 4. List "1" class scores than the "2" students who have high grades of the student's school number Select S.sno,s.snameFrom S, (Select SC1. SNOFrom SC sc1,c c1,sc sc2,c C2Where SC1. Cno=c1. CNO and c1.name= ' 1 'and SC2. Cno=c2. CNO and C2.name= ' 2 'and SC1. SCGRADE>

Today, I accidentally sawCodeMaybe I have never seen it. I think it's new. I just wrote the following code. Maybe I 've seen it, Maybe I forgot ...... Haha, let's make a souvenir on your own ...... I found that the singleton mode is good ...... Using System; Namespace Ca_staticconstructor { Class Staticclass { Public Static Staticclass instance { Get ; Set ;} Public String Name { Get ;Set ;} Static Staticclass (){ If(Instance =Null) { Instance = New Staticclass (); } }} Clas

; } PublicDate getDate () {returndate; } Public voidsetDate (date date) { This. Date =date; } @OverrideprotectedObject Clone ()throwsclonenotsupportedexception {Object obj=Super. Clone (); returnobj; }} PackageCom.lz.prototype;Importjava.util.Date; Public classShallowtest { Public Static voidMain (string[] args) {Shallowclone SC1=NewShallowclone ("Laro", 20,NewDate ()); System.out.println (SC1); System.out.println (Sc1.getname ()); System.out.println (Sc1.getage ())

Custom dialog box CreatDialog (DIALOG_0 ); @ SuppressLint (ResourceAsColor)Public void CreatDialog (int id ){ AlertDialog. Builder builder = new AlertDialog. Builder (MainMenu. this ); Switch (id ){ Case DIALOG_0: LinearLayout SC = new LinearLayout (this ); // SC. setBackgroundColor (R. color. white ); SC. setBackgroundResource (R. color. black ); SC. setOrientation (LinearLayout. VERTICAL ); // TextView txbg = new TextView (this ); // Txbg. setBackgroundDrawable (getResources (). getDrawable (R

First question: finding the root of a two-second equationpublic class Lianxi1 {public static void main (string[] Args) {System.out.println ("please Enter a value");Scanner sc = new Scanner (system.in);String A=sc.nextline ();int x = Integer.parseint (a);If (x!=0){System.out.println ("please Enter the value of b");Scanner SC1 =new Scanner (system.in);System.out.println ("please Enter the value of c");Scanner SC2 =new Scanner (system.in);String B=sc1.ne