b31 8s

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Adding an index to a table field saves me 8S.

Whether it is to solve their own problems or others to help me solve, I have summed it up to write down the lessons learned, this will be very useful in the future. This is a previous SQL statement each query will be used for approximately 8S clock: Select COUNT (1) as "Count"From T_ims_calllog lINNER JOIN T_tms_user UOn L.deviceno = u.user_idLeft JOIN T_tms_customer_data COn L.calleeno = C.mobilewhere flag = 1and callidnum =-1And Recordpath is not

Soft test database-lossless connection decomposition

. Judging R decomposition into Ρ={r1, R2, R3, R4, R5} non-destructive join decomposition? Solution: Such a problem to be solved by drawing a table, first, the original table: A B C D E AD A1 B12 B13 A4 B15 Bc B21 A2 A3 B24 B25 Be B31 A2 B33 B34 A5 Cde B41 B42 A3

Lexical analysis is implemented in C + +

]= ' + ';sign=27;}Break}Case ') ': {if (ch== ') '){Word[j++]=ch;word[j]= ' + ';sign=28;}Break}Case ': ': {if (ch== ': '){Word[j++]=ch;word[j]= ' + ';Ch=program[i++];}if (ch== ' = '){Word[j++]=ch;word[j]= ' + ';sign=18;}Else{i--;sign=17;}Break}Case ' # ': {if (ch== ' # '){Word[j++]=ch;word[j]= ' + ';sign=0;}Break}Case '; ': {if (ch== '; '){Word[j++]=ch;word[j]= ' + ';sign=26;}Break}Case ' + ': {if (ch== ' + '){Word[j++]=ch;word[j]= ' + ';sign=13;}Break}Case '-': {if (ch== '-'){Word[j++]=ch;word[j

The first experience of Kafka learning

/local/java//jre/lib:/usr/local/kafka/bin/. /libs/jetty-security-9.2.12.v20150709.jar:/usr/local/kafka/bin/. /libs/hk2-utils-2.4.0-b31.jar:/usr/local/kafka/bin/. /libs/kafka_2.10-0.9.0.0-scaladoc.jar:/usr/local/kafka/bin/. /libs/zookeeper-3.4.6.jar:/usr/local/kafka/bin/. /libs/slf4j-log4j12-1.7.6.jar:/usr/local/kafka/bin/. /libs/kafka-clients-0.9.0.0.jar:/usr/local/kafka/bin/. /libs/metrics-core-2.2.0.jar:/usr/local/kafka/bin/. /libs/kafka_2.10-0.9.0.

Final version of-perl Tool parsing database report file 0120

Nowait%:", "Redo Nowait%:", "Buffer hit%:", "In-memory Sort%:",' Library hit%: ', ' Soft parse%: ', ' Execute to Parse%: ', ' Latch hit%: ',"Parse CPU to parse ELAPSD%:", "% Non-parse CPU:");My @xlpatlen = (13,11,11,14,11,10,16,9,25,13);My @gxzpat = ("Memory Usage%:", "% SQL with executions>1:", "% Memory for SQL w/exec>1:");My @gxzpatlen = (12,21,23);foreach my $i ([email protected]){Open (SPReport, "$root _dir\\ $filename [$i]") | | Warn "Can not open file\n";#print datafile $root _dir. " \\"

Python uses Taobao API to query IP attribution to share _linux shell

"{}\" | Awk-f ":" ' Nr==10{print $} 'isp= ' $JsonDate | Sed ' s/,/\n/g ' | $TransCoding | Tr-d "{}\" | Awk-f ":" ' Nr==12{print $} 'printf "%-18s\t%-8s\t%-8s\t%-8s\t%-8s\t%-8s\t%-8s\n" $i $country $isp $area $region $city $county

Condition codes for ARM directives

1. Conditional flag bit for program status register The B31 bit value of the result of the N operation. For signed twos complement, the result is negative when n=1, the result is positive or 0 o'clock n=0; The result of the Z command is 0 o'clock Z=1, otherwise z=0; C uses addition operations (including CMN directives), B31 bits produce c=1 when rounding, otherwise c=0. With subtraction operations (includin

Database Lossless Connection decomposition

" (software Designer 2002 morning test paper)Set the relationship mode R to R (h,i,j,k,l), a function dependency set on R is F={h→j,j→k,i→j,jl→h}, decomposition (38)is a non-destructive connection.Alternative answers:A. P={hk,hi,ij,jkl,hl} B. P={hil,ikl,ijl} C. P={hj,ik,hl} D. P={hi,jk,hl}Analysis of test questions:   Based on the above method, we list the initial table of option B (decomposed into three relational patterns R1 (HIL), R2 (IKL), R3 (IJL)) as shown in Table 3: Table 3, option B, in

CHD in-school trials and problems

Topic link A. Currency System in GeraldionAt 1 o'clock, all numbers greater than or equal to 1 can be made up of 1. No 1 o'clock, the smallest unfortunate number is 1.1#include 2#include 3#include 4 using namespacestd;5 voidsolve () {6 intn,x;7scanf"%d",n);8 intFlag =0;9 for(inti =1; i){Tenscanf"%d",x); One if(x = =1) flag =1; A } - if(flag) printf ("-1\n"); - Elseprintf"1\n"); the } - intMain () - { - solve (); + return 0; -}Topic Link: B. Gerald is into Art

Write a few of their own small code (JSP calendar and JFrame Calculator) __js

(); //int height = (Double) rect.getheight ()). Intvalue (); //system.out.println (width+ "" +height); int width=w*11/12; int height= (h-12) *4/6; p1.setbounds (0,0,WIDTH/7,HEIGHT/6); p2.setbounds (WIDTH/7+10,0,WIDTH*6/7-8,HEIGHT/6); p3.setbounds (0,height/6+10,width/7,height*5/6-8); p4.setbounds (width/7+10,height/6+10,width*6/7-8,height*5/6-8); P1.setbackground (Color.Blue);P2.setbackground (Color.green);P3.setbackground (Color.yellow);P4.setbackground (Color.magenta);JTextField TF1

Python Logging-Advanced

) logger.debug ("This was Debug") Logger.info ("This is Info") Module_b.hello () Logger.warn ("This was warn") logger.error ("This is the error") Modu = Module_b.clas () Modu.hi () logger.critical ("This is Critical ")module_b.py:#!/usr/bin/env python#-*-coding:utf-8-*-import logging# Create Loggerlogg = Logging.getlogger (' Module_a.module_b ') Logg.setlevel (logging. DEBUG) class Clas:def __init__ (self): Logg.info ("Class:clas") def Hi (self): Logg.debug ("Clas-hi") def hello (): Logg.error (

ANGULARJS1 Making Custom Carousel maps (Kanji navigation)

. isselimg (i); } };}]);Css. Swiper-container{margin:0 Auto;position:relative;Overflow:Hidden;Z-index:1;width:100%;Height:100%;}. Swiper-wrapper{Height:200px;width:100%;}. Swiper-wrapper-items{Height:100%;position:Absolute;width:100%;Opacity:0;transition:opacity. 8s;-moz-transition:opacity. 8s;-webkit-transition:opacity. 8s;-o-transition:opacity.

Principle of database system

model.Cases:Relationship R (u,f), u={s#,sd,mn},f={s#→sd,sd→mn}1. Decomposition of R: Ρ1={r1 (s#), R2 (SD), R3 (MN)}A problem exists:A, the original "function dependency relationship does not exist".B, R1XR2XR3 Cartesian product, the tuple increased, "No lossless connection."2. Another decomposition of R: Ρ2={r1 (S#,SD), R2 (S#,MN)Ρ2 decomposition of R is recoverable, "with non-destructive connectivity"Problematic: sd→mn dependency loss, "no function dependency retention"3. Decomposition of R: Ρ

Response-style cream Effect

Okay. Continue with the CSS3 test. Let's take a look at the responsive three-dimensional effect implemented by text-shadow. Click here for online research and click here to download the favorite stamp. Principle Analysis 1. Use the googlefont font. Three fonts are used in this effect. 2. Use text-shadow to implement stereoscopic characters 3. Responsive Layout Steps Html Css body { font-family: 'Bad Script', cursive; background: #abdc28; transition:all .

Matrix and transformation, as well as the use of the matrix in DirectX and OpenGL: Left multiplication/right multiplication, row precedence/column precedence ,...

] [2];Res-> W = x * m-> matrix [0] [3] + y * m-> matrix [1] [3] + z * m-> matrix [2] [3]+ M-> matrix [3] [3];} It can be seen that, as described above, "the OpenGL column vector is multiplied by each column of the Matrix, and it still represents the multiplication of the linear algebra row vector and each row of the matrix"Let's take a look at the OpenGL Matrix Multiplication. "Use each column of A to multiply each row of B ". /*** Compute r = a * B, where R can equal B.*/Void fastcall _ glmultm

Using the steps () system in CSS3 animation

{ width: 190px; height: 240px; margin: 2% auto; background: url (' http://treehouse-code-samples.s3.amazonaws.com/CSS-DD/codepen/blog/ Monster.png ') left center; animation: play. 8s Steps (Ten) infinite;} { 100% {background-position: -1900px;} }There is a little-known timing feature in CSS animation that allows us to break an animation into segments-or steps-instead of running it as a continuous animation from start to finish. Since we a

CSS implementation of text Luminescence effect method Summary

;}. blank_text{position:relative;width:200px;margin:20px Auto;Color: #fff;Line-height:1;font-size:50px;Font-size:0.74074rem;Text-align:center;Overflow:hidden;font-family: "Icomoon";}. blank_text:after{width:300%;height:100%;Content: "";Position:absolute;top:0;left:0;Background:-webkit-gradient (linear, left top, right top, color-stop (0, Rgba (15,20,40, 0.7)), Color-stop (0.4, Rgba (15,20) , 0.7)), Color-stop (0.5, Rgba (15,20,40, 0)), Color-stop (0.6, Rgba (15,20,40, 0.7)), Color-stop (1, Rgba

Css3 dynamic background and css3 dynamic

%{ opacity: 1; } 16.6667%{ opacity: 0; } 33.3333%{ opacity: 0; } 50%{ opacity: 0; } 66.6667%{ opacity: 0; } 83.3333%{ opacity: 0; } 100%{ opacity: 1; }}@-webkit-keyframes dynbg__ani2{ 0%{ opacity: 1; } 16.6667%{ opacity: 1; } 33.3333%{ opacity: 0; } 50%{ opacity: 0; } 66.6667%{ opacity: 0; } 83.3333%{ opacity: 1; } 100%{ opacity: 1; }}@-webkit-keyframes dynbg__ani3{ 0%{ opacity: 1; } 16.6667%{ opacity: 1; } 33.3333%{

CSS3 Study Notes (1)-Fade in text

; animation:fade-in 4s ease 4s 1; -webkit-animation:fade-in 4s ease 4s 1; -moz-animation:fade-in 4s ease 4s 1; -o-animation:fade-in 4s ease 4s 1; -ms-animation:fade-in 4s ease 4s 1; /* Specifies that the last state of the animation is the end state */animation-fill-mode:forwards; -webkit-animation-fill-mode:forwards; -o-animation-fill-mode:forwards; -ms-animation-fill-mode:forwards; -moz-animation-fill-mode:forwards; }.four-words{opacity:0; an

Shell script for monitoring disk usage (local + remote) _linux shell

remote systems Logfile= "Diskusage.log" if [[N $]] Then Logfile=$1 If if [!-e $logfile] Then printf "%-8s%-14s%-9s%-8s%-6s%-6s%-6s%s\n" "Date" "IP Address" "Device" "Capacity" "Used" "Free" "Percent" "Status" > $logfile Fi ip_list= "127.0.0.1 0.0.0.0" # provide a list of remote host IP addresses ( For IP in $IP _list Todo SSH slynux@ $ip ' df-h ' | grep ^/dev/>/TMP/$$.DF

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