文档内容
MapReduce ()
: D : ( )
Task
,
MapReduce map
11, H(K)=(K )MOD11,
(D,BA,TN,M,CI,I,K,X,TA), , ,
, ()
: C : ( )
4
3
20/9
23/9
5 , 4 , ()
?
: A : ( ))
2
4
3
1
(((((SSSSSYYYYYNNNNN=====11111,,,,,ssssseeeeeqqqqq=====1111111111222222222200000))))) TCP , TCP
, , TCP ()
: B : ( ))
(((SSSYYYNNN===111,,,AAACCCKKK===111,,,ssseeeqqq===111111222222000,,,aaaccckkk===111111222222000)))
((SSYYNN==11,,AACCKK==11,,sseeqq==1111222211,,aacckk==1111222211))
((SSYYNN==00,,AACCKK==00,,sseeqq==1111222211,,aacckk==1111222211))
(SYN=1,ACK=1,seq=11220,ack=11220)()
: C : ( )
2,3
1,4
1,3
1,2
UNIX , 111 , cccaaattt$$$111 :
2 , cat>>$2<$1 , ssshhheeellllll
: A : (( )
$#
$@
$$
$*
uuussseeerrraaadddddd ()
: B C D : ( ))
p
d
m
M
++a "++" , ++a
()
: A : ( )
a.operator++()
a.operator++(0)
a.operator++(int)
operator++(a,0)?()
: B C D : ( )
Expectation Maximization
Radlal Basis Function
Linear Discrimimate Analysis
Support Vector Machine
4 J1,J2,J3 J4, 3 ,5 ,7
,9 , ()
: A : ( )
12.5
24
19
6
Hadoop MapReduce , ((()))
: A : ( ))
Eclipse
ssh
java
Hadoop
PPPLLL///SSSQQQLLL " " ()
:: CC : (( )
ssseeellleeecccttt xxxuuueeefffeeennn iiinnntttooo @@@xxxuuueeefffeeennn fffrrrooommm cccooouuurrrssseee wwwhhheeerrreee cccnnnaaammmeee===''' '
ssseeellleeecccttt xxxuuueeefffeeennn fffrrrooommm cccooouuurrrssseee wwwhhheeerrreee cccnnnaaammmeee===''' ' and xuefen=
@xuefen
sseelleecctt @@xxuueeffeenn==xxuueeffeenn ffrroomm ccoouurrssee wwhheerree ccnnaammee=='' '
sseelleecctt xxuueeffeenn==@@xxuueeffeenn ffrroomm ccoouurrssee wwhheerree ccnnaammee=='' '
A B , C A , ()
: B D : ( )
B A
C B
C B
B A(54,38,96,23,15,72,60,45,83) , 7
60 , ()
: D : ( )
5
6
4
3
(A+B)*((A+B)/A), ()
: B : ( )
8
5
6
9
MyClass
( )
: B :: ( )
1
2
3
4
((()))
: B : ( ))
,
Hapfield ,
,
4 , this (): D : ( )
f1
f2
f3
f4
books_cursor , @book_name ,
()
: D : ( )
select books_cursor into @book_name
set books_cursor=@book_name
set @books_cursor=book_name
ffeettcchh nneexxtt ffrroomm bbooookkss__ccuurrssoorr iinnttoo @@bbooookk__nnaammee
R(A,B,C,D), :::FFF===((((((AAA,,,BBB)))--->>CC,,CC-->>>DDD))),,, RRR
()
: B : ( ))
BCNF
2NF
1NF
3NF
