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nginxloganalyzer function for log analysis, is the default Nginx log, this does not use the regular, using the soil method to find specific characters. def nginxloganalyzer (line): #print (line) G1 = Line.find (' [') g2 = Line.find ('] ') h1 = Line.find (' "') h 2 = Line.find (' "', h1+1) h3 = Line.find ('" ', h2+1) h4 = Line.find (' "', h3+1) h5 = Line.find ('" ', h4+1) h6 = Line.find (' "', h5+1) #print (" g1:%d "%g1) #print ("

user name, by using rollback in a trigger, the user name cannot be changed. Use Database NameGoCreate trigger trOn Table NameFor updateAsIf Update (username)Rollback tranThe key lies in the last two sentences. The explanation is: if the username column is updated, the transaction will be rolled back. Statements that cannot be used in triggers Most T-SQLStatement, but the following statements cannot be used in the trigger.Create statement, such as create database, create table, and create index

For the DP, such as f [I], which is determined by a number of earlier f [J], the optimization involves monotonic queuing, line segment tree, quadrilateral inequality, and slope optimization.A monotonic queue is generally an accumulation relationship. You can calculate the following DP values in advance to make a decision. The quadrilateral inequality is mostly used for the section K to J Where the I target prevails. Slope optimization can be used for multiplication and division relationships. Wh

Import java. Applet .*; Import java. AWT .*; Import java. AWT. event .*; Import java. AWT. Geom .*; Import javax. Swing .*; Class drawpanel extends jpanel ...{ Public void paint (Graphics g) ... {Graphics2d g2 = (graphics2d) g; Line2d. Double line1 = new line2d. Double (20.0, 20.0, 80.0, 40.0 ); Quadcurve2d. Double line2 = new quadcurve2d. Double (130.0, 30.0, 150.0, 50.0, 170.0, 20.0 ); Cubiccurve2d. Double line3 = new cubiccurve2d. Double (220.0, 40

\ tA2 \ tA3 \ n"; $ str. = "B1 \ tB2 \ b2\ n". you can write these tokens to the file and change the suffix to .xls. excel can read them directly .. But it is not actually a real xls file. $query = sqlsrv_query($conn,$sql);if( $query === false) { die( print_r( sqlsrv_errors(), true) );}while($row = sqlsrv_fetch_array($query)) { echo$objPHPExcel->getActiveSheet()->setCellValue('A2', convertUTF8($row[0]))->setCellValue('B2', convertUTF8($row[1]))->setCellValue('C2', convertUTF8($row[2]))-

();} Public void DrawClock (){Try{ClockPanel. setTime (Integer. parseInt (hour_text.getText (), Integer. ParseInt (minute_text.getText ()));ClockPanel. repaint ();} Catch (NumberFormatException e ){//}} Public JTextField hour_text;Public JTextField minute_text;Private DrawPanel1 clockPanel; Public class clockFieldListener implements DocumentListener{Public void insertUpdate (DocumentEvent event ){DrawClock ();} Public void changedUpdate (DocumentEvent event ){ } Public void removeUpdate (deleen

pages to be printed based on the format of up to 54 lines per page. When the button for printing text is clicked, execute the corresponding print action. You can use the drawString method of Graphics2D to print text.1) Implement the Printable Interface /* Graphic indicates the Graphic environment for printing. PageFormat indicates the format of the printed page (the page size is measured by points, 1 inch of 1 point, 1/72 is 1 inch. A4 paper is roughly 595 × 842 points); page indicate

1];W2=[0-1;1 0];G1=imfilter (I,W1, ' Corr ', ' replicate ');G2=imfilter (I,W1, ' Corr ', ' replicate ');G=abs (G1) +abs (G2);Figure,imshow (g,[]);Figure,imshow (ABS (G1), []);Figure,imshow (ABS (G2), []);(Do not understand how this code is written, do not understand what the function of this operator, from the image can not see the effect) Sobel Gradien

in the press, the parameter is the coordinate position of the element, but the move_to inside is relative to the previous element offset position. So you need to write a function separately to calculate the offset.def pianyi(a=1,b=2): '''计算从a点到b点的偏移量''' g1 = gongge[a] g2 = gongge[b] r = (None, g2[1]-g1[1], g2[2]-g1[2]) return r2. In addition the p

In Excel statistical results, we will generally according to the results of the ranking, and then automatically fill the rankings by sequence. This approach to the position and total score is not associated, even if the results are the same, will be filled with different rankings. If the data is low, we can use the manual method to change the people with the same results to the same position, but the data is very troublesome. After practice, the following three methods can automatic

5 The logic of completing orders and reducing inventoryInsert into O (gid,num) values (2,3); Insert statementUpdate g Set goods_num = goods_num-3 where id = 2;//updating processThese two logic can be considered as a whole, or insert---> Attract updateUse triggers to solve the above problems.We can monitor the change of a table and trigger an action when a change occurs.Views: viewFind the most expensive items in each column--->Select Goods_id,goods_name,shop_price from Goods ord

parameter (user name)Options and Parameters: Useradd-u specifying UID-O with-u, does not check UID uniqueness-G Gid/Group name specifies the user's primary group-G Gid/Group name specifies the user's additional group- C "comment" User name-d Specifies the user's default shell-N Use the Users group as the primary group- R Create system user-M is used with-R to create a home directory while creating a system user-M does not create a home directory when creating a non-system user-D sets default va

: Unrealistic schedule The deadline book may be a book that project stakeholders should read. It clearly depicts and describes the cause of project failure, unfortunately, such projects are still everywhere. In almost every book about software development, the author can give examples of failures to prove what damage the deadline imposed by external pressure on the development team will do to the project, maybe in the business world, A deadline cannot be broken. There is no mistake in develop

source and make a viewmodel.The data source is set to a simple text file (list.txt). Each line, a picture address.The sample code is as follows: Http://img11.360buyimg.com//n3/g2/m00/06/1d/rbegevakffuiaaaaaab54f55qh8aabwrqlxlr0aahn4106.jpgc:\users\soar\ Pictures\lovewallpaper\18451,106.jpghttp://img12.360buyimg.com//n3/g1/m00/06/1d/ rbegdvakffqiaaaaaab0mdavaccaabwrqmcudwaahsw197.jpgc:\users\soar\pictures\lovewallpaper\367448,106.jpghttp:// Img13.360b

still need some help with other basic knowledge,You even need to understand the implementation principles of MySQL, such as slow query and optimization of subqueries.. The select_type field in the SQL Execution Plan shows"DEPENDENT SUBQUERY", It's time to get up! -- Why is MySQL subquery sometimes bad -- Introduction: Why is this subquery so slow? The following example shows a slow query. The online execution time is rather exaggerated. Why? SELECT gid, COUNT (id) as count? FROM shop_goods

salary, and the level corresponding to the manager's salary. SELECT e.ename,e.sal,d.dname,g.grade e_grade,s.ename mgr_name,g2.grade m_gradeFROM emp e,dept d,salgrade g,emp s,salgrade g2WHERE (e.deptno=d.deptno) AND (e.sal BETWEEN g.losal AND g.hisal) AND (s.empno=e.mgr) AND (s.sal BETWEEN g2.losal AND g2.hisal); Authorization + bH87XDtcS94bn7sLTI59H5yr3P1Mq + ac

Number maximum wage for this levelAnalysis: First understand the contents of the salary scale table (Salgrade)SELECT * from Salgrade;Check out each employee's name, salary, department name, salary at the company level (Salgrade)SELECT distinct E.ename,e.sal,d.dname,g.grade e_grade from emp e,dept d,salgrade g,emp swhere (E.deptno=d.deptno) and (E.S Al between G.losal and G.hisal);watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvbwfnateymde=/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/

limit, in F+3iqr and F-3IQR, draw two line segments, called the outer limit. The data represented by a point outside the inner limit is an outlier, where the outliers between the inside and outside limits are mild outliers (mild outliers) and extreme outliers other than outside limits (extreme outliers).4. Draw a segment from each end of the rectangular box until it is not the farthest point of the outliers, indicating the distribution interval of the normal value of the batch data.5. Use "0" t

element in S, K values are obtained through the mapping function {F1,F2.....FK}. {G1,G2.....GK}, and then determine if ARRAY[G1],ARRAY[G2]......ARRAY[GK] is all 1, if all is 1, then item is in S, otherwise item is not in S. This is the implementation principle of the Bron filter. Of course, some readers may ask: even if ARRAY[G1],ARRAY[G2]......ARRAY[GK] is 1, c

public void Paint (Graphics g) {TODO auto-generated method stubsGraphics2D g2= (graphics2d) G;URL Url=paint.class.getresource ("qq.jpg");Image Img=toolkit.getdefaulttoolkit (). GetImage (URL);////G2.drawimage (IMG, 0,400,400,this);int x=100;int y=100;String Str=new string ("Mafeng");Font font =new font ("XXFarEastFont-Xingkai", font.bold,72);G2.setfont (font);for