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Rating=atof (Str3.c_str ());rate[userid-1][itermid-1]=rating;Line.clear ();}Ifs.close ();return 0;} Calculate the average score per uservoid Getavgrate () {for (int i=0;iDouble sum=0;for (int j=0;jSUM+=RATE[I][J];Rate_avg[i]=sum/iterm_size;}} Calculate Pearson correlation coefficients for two vectorsDouble Getsim (const vectorint len=vec1.size ();ASSERT (Len==vec2.size ());Double sum1=0;Double sum2=0;Double sum1_1=0;Double sum2_2=0;Double sum=0;for (int i=0;iSum+=vec1[i]*vec2[i];Sum1+=vec1[i];S

, $ox, $oy, $a, $b, $SD, $ed, $CLR)//painting slices { $n = Ceil (($ed-$SD)/angle_step); $d = $SD; List ($x 0, $y 0) = draw_getexy ($a, $b, $d); Imageline ($img, $x 0+ $ox, $y 0+ $oy, $ox, $oy, $CLR); for ($i =0; $i { $d = ($d +angle_step) > $ed $ed:($d +angle_step); List ($x, $y) = Draw_getexy ($a, $b, $d); Imageline ($img, $x 0+ $ox, $y 0+ $oy, $x + $ox, $y + $oy, $CLR); $x 0 = $x; $y 0 = $y; } Imageline ($img, $x 0+ $ox, $y 0+ $oy, $ox, $oy, $CLR); List ($x, $y) = Draw_getexy ($

Dragmain_mousedown (object sender, System.Windows.Forms.MouseEventArgs e){Request. GetInformation (E.X,E.Y);}private void Dragmain_mouseup (object sender, System.Windows.Forms.MouseEventArgs e){Request. Setscreenpoint (E.X,E.Y);}The encapsulated Request classpublic class Request{public int Iscreenx;public int iscreeny;public int EX;public int EY;public ReadOnly int Yhigh;public ReadOnly int draglength;public ReadOnly int minlength;public ReadOnly int

)//3d slices{Draw_sector ($img, $ox, $oy, $a, $b, $SD, $ed, $CLR);if ($SD {List ($R, $G, $B) = Draw_getdarkcolor ($img, $CLR);$CLR =imagecolorallocate ($img, $R, $G, $B);if ($ed >180) $ed = 180;List ($SX, $sy) = Draw_getexy ($a, $b, $SD);$SX + + $ox;$sy + + $oy;List ($ex, $ey) = Draw_getexy ($a, $b, $ed);$ex + + $ox;$ey + + $oy;Imageline ($img, $SX, $sy, $SX, $sy + $v, $CLR);Imageline ($img, $ex, $

(service and application management). loader and unloader on the right side of the logic layer are the DATA import and export modules of infobright, that is, load data infile... And SELECT... The into file task is oriented to the massive data environment. Therefore, the data import and export module is an independent service and is not directly used by the mysql module. The infobright optimizer package of the logic layer is outside the mysql query optimizer, as will be mentioned below, because

are painted !!! Lost in connection for 104 minutes !!! The effect is equivalent to a large-scale DDoS attack. The corresponding CDN service provider was helpless for a while, and access could only be forcibly restricted. This affects hundreds of millions of businesses! These large-volume DDoS attacks also confirm the point in the 2015 H1 RPA DDoS Threat Report: large-volume attacks are on the rise. What is DDoS? Let's give you an example. Suppose y

the first address is returned to the PPA. You can also:Long *** PPPA = new long *** [2];Long * (* pA) [10] = new long * [20] [10];It may seem strange that the type of PA is long * (*) [10], which indicates a pointer to an array with 10 long * elements, the allocated memory length is (4*10) * 20 = 800 bytes. Because the array modifier "[]" can only be placed behind the variable name, And the type modifier is always calculated from left to right, the pointer to an array of 10 long elements cannot

the column SQL> select lpad (rpad ('gao', 10 ,'*'), 17, '*') from dual; lpad (RPA D ('gao', 1 ----------------- ********* Gao ******** fill up 10 characters. ltrim and rtrimltrim Delete the string on the left rtrim Delete the string on the right SQL> select ltrim (rtrim ('gao Qian jing', ''),'') from dual; ltrim (rtrim ('------------- Gao Qian jing11.substr (string, start, count) Take the sub-string, start from start, take count SQL> select substr ('

collection:" /usr/share/* " " . *.sh$|. *.pl$|. *.py$|. *.conf$|. *.cnf$|. *.ini$|. *\/.. *history$|. *\/.. *pass.*$|. *secret$"Packaging various scripts and configuration files and a history log. Some of the environment zip needs some parameters to use, please modify it yourselfCollect all confin/var/www. PHP and pack it up.Find/var'*conf*.php' -print | Zip config.zip [email protected]Find the file that contains the specific content and the line shows up:Grep-

| ftp: // user: pass@host.com: 123 Mismatch Sysrage.net Regular Expression ^ ([A-zA-Z] \:|\\\ [^ \/\\:*? " Match C: \ Test.txt | \ server \ shared \ Test. t Mismatch C: \ Test | \ server \ shared \ Test .? Regular Expression ^ (Http | https | ftp) \: // ([a-zA-Z0-9 \. \-] + (\: [a-zA-Z0-9 \. % \ $ \-] + )*@) * (25 [0-5] | 2 [0-4] [0-9] | [0-1] {1} [0-9] {2} | [1-9] {1} [0-9] {1} | [1-9]) \. (25 [0

()cert = c.get_peer_certificate()print "issuer: ",cert.get_issuer()print "subject: ",cert.get_subject().get_components()c.shutdown()s.close() 3. Use the s_client command of openssl to obtain openssl s_client -connect 65.55.85.12:443subject=/1.3.6.1.4.1.311.60.2.1.3=US/1.3.6.1.4.1.311.60.2.1.2=Washington/businessCategory=Private Organization/serialNumber=600413485/C=US/postalCode=98052/ST=Washington/L=Redmond/street=1 Microsoft Way/O=Microsoft Corporation/OU=Outlook Kahuna SNT-DC A May2013/CN=m

*** pppA = new long *** [2]; While Long ** pA) [10] = new long * [20] [10]; It may seem strange that the type of pA is long **) [10], which indicates a pointer to an array with 10 long * elements, the allocated memory length is 4*10) * 20 = 800 bytes. Because the array modifier "[]" can only be placed behind the variable name, And the type modifier is always calculated from left to right, the pointer to an array of 10 long elements cannot be used, because "*" on the left side is always b

/lib/site-packages/opencv_python-3.4.0.dist-info/haarcascades/ Haarcascade_frontalface_default.xml') Eye_cascade.load ('c:/users/yif/anaconda3/envs/tensorflow/lib/site-packages/opencv_python-3.4.0.dist-info/haarcascades/ Haarcascade_eye.xml') Camera=cv2. Videocapture (0) while(True): Ret,frame=Camera.read () Gray=Cv2.cvtcolor (Frame,cv2. Color_bgr2gray) faces=face_cascade.detectmultiscale (Gray,1.3,5) for(X,Y,W,H)inchfaces:img=cv2.rectangle (frame, (x, y), (x+w,y+h), (255,0,0),2) Roi

gray part is the original module of mysql, and the white and blue parts are the ones of infobright. Infobright has the same two-layer structure as mysql: Logic layer: process query logic (service and application management). loader and unloader on the right side of the logic layer are the DATA import and export modules of infobright, that is, load data infile... And SELECT... The into file task is oriented to the massive data environment. Therefore, the data import and export module is an in

. London, UK. 18-19 Apr, Big Data Analytics Innovation Summit. Hong Kong. 19 Apr, AI Conference Moscow. Moscow, Russia. 19-20 Apr, Big Data Innovation Summit. San Francisco, USA. 22-27 Apr, Enterprise Data World (EDW). San Diego, USA. 23-25 Apr, RPA AI Summit. Copenhagen, Denmark. 23-27 Apr, The Web Conference. Lyon, France. 24-28 Apr, IEEE International Conference on Soft Robotics (RoboSoft). Livorno, Italy. 25-27 Apr, European Symposium on Artific

chain used by any URL, run the following command: To check the certificates used by the SLB URL, run the F ollowing command: To check the certificates used by the OMS URL, run the FO llowing command: If The default Enterprise Manager self-signed certificates is used in the SLB, the output of both the commands would APPEA R as follows:Issuer:cn= If a custom or self-signed SSL certificate is used in the SLB and then output of the command executed with the SLB Name would Provide

Leetcode Maximum Product subarray This is an integer array to calculate the product of the maximum continuous sub-array. After a long time, the array contains 0 and negative numbers. In fact, the key is the negative number processing, so we can remember the maximum and minimum negative values, this makes it easy to process negative numbers. If the current element is a negative number, the maximum value may be the first negative value multiplied by the current negative number; if it is a positive

I have been using infobright for a long time, but I still don't know much about the real infobright architecture. The following article is very good. The overall architecture of infobright is as follows: 　　 As shown in, infobright adopts the same architecture as MySQL and is divided into two layers. The upper layer is service and application management, and the lower layer is the storage engine. The default storage engine of infobright is brighthouse. However, infobright supports other storage e

. Therefore, C ++ proposed the above syntax to enclose the variable name in parentheses to indicate the final Modification of the type in it. Therefore: Long * (a) [10]; it is equivalent to long * A [10]; and long * ( aa) [10] = A; is also true. Otherwise, according to the preceding rules, if long * aa [10] = A; is used, an error is returned (the cause is described earlier ). And long * (* pA) [10] = A; can normally represent the type we need. Therefore, you can also long * (*

profile that just came down.Next we open the terminal and they build the. pem file1. Generate the. pcm file from the aps_development. cer file, and the CD to the Push folder2. push.p12 files to a. pem fileThe password entered above is the password you set to export the certificate, that is, abc123. It will also let you enter the password for the. pem file, or use abc123 to prevent confusion.So we got two more files in the Push folder, Pushchatcert.pem and Pushchatkey.pem.3. Merge Pushchatcert.p