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written by one character */10 FileWriter fw = null;11 try{12 FW = n EW FileWriter ("D:/java/uicode.dat"); 13//The nature of the character is an unsigned 16-bit integer 14//character occupies 2 bytes inside the computer 15 Here, we use a for loop to output all the integers in the 0~60000 16//This is equivalent to the whole world the text of each country is 0~60000 in the form of integers to represent the (int c=0; c

face and eye detector.First we need to load the required XML classifier. The input image or video is then loaded in grayscale format.Import NumPy as NP Import = Cv2. Cascadeclassifier ('haarcascade_frontalface_default.xml'= Cv2. Cascadeclassifier ('haarcascade_eye.xml'= cv2.imread (' Sachin.jpg'= Cv2.cvtcolor (img, Cv2. Color_bgr2gray)Now we detect the face in the image. If a face is detected, it returns the rectangle where the face is locatedRegion Rect (X,Y,W,H). Once we have this position,

//p is the function pointer, a is the lower bound, B is the upper bound, N is the equal numberfloatIntegralfloat(*p) (float),floatAfloatBintN) { inti; floatArea=0; floatew = (b-a)/N; for(i =1; I ) Area+ = (*p) (A + i*ew) *ew; returnArea ;}floatF_sin (floatx) { returnsin (x);}floatF_cos (floatx) { returncos (x);}floatF_exp (floatx) { returnexp (x);}intMain () {floatA, B,area; float(*p) (float);

accessible, so the object of new is static static Student getstudent () {return Student;}}Package Creation _ Singleton mode _ a hungry man type;/* * Singleton mode: Guaranteed class has only one object in memory * * How to ensure that the tears in memory only one object? * A: To privatize the construction method * B: Create an object in the member position * C: Provide access through a public method */ public class Studentmain {public static void main (string[] args) {//student Student = new S

FileWriter flow file is a character written by one character */10 FileWriter fw = null;11 try{12 FW = n EW FileWriter ("D:/java/uicode.dat"); 13//The nature of the character is an unsigned 16-bit integer 14//character occupies 2 bytes inside the computer 15 Here, we use a for loop to output all the integers in the 0~60000 16//This is equivalent to the whole world the text of each country is 0~60000 in the form of integers to represent

creating a background image of the animation effect for us. * This method can also be replaced by Setview/@Override public View Makeview () {ImageView ImageView = new Imagevi EW (GalleRyactivity.this); Set interception mode Imageview.setscaletype (scaletype.center_inside); Imageview.setbackgroundresource (R.drawable.ground); Toast.maketext (Getapplicationcontext (), "executed once", Toast.length_short). Show (); retu

the string St is obtained, so the output is st#. The current point of the CPP has not changed since the statement was executed. printf ("%s#", cpp[-1] [-1] + 1); execute cpp[-1 First], equivalent to * (CPP-1). Because the previous two output statements caused the CPP to be 2, it currently points to the third element of the array cp, so cpp-1 corresponds to the second element of the array CP c+2 and then executes cpp[-1][-1], equivalent to (c+2) [-1], i.e. * (c+2-1) = * (c+1), So get the first

('./data/classifiers/haarcascade_eye.xml ') cap = Cv2. Videocapture (0) while True:ret, img = cap.read () if not ret:break Gray = Cv2.cvtcolor (img, Cv2. Color_bgr2gray) faces = Face_cascade.detectmultiscale (gray, 1.3, 5) for (x, Y, W, h) in Faces:cv2.rectang Le (IMG, (x, y), (x+w, Y+h), color= (255, 0, 0), thickness=2) Roi_gray = Gray[y:y+h, x:x+w] Roi_color = img[ Y:y+h, x:x+w] eyes = Eye_cascade.detectmultiscale (Roi_gray) Try:ex, EY, ew