Posts by Adryan Alencar • 51 points
8 posts
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answer91
viewsQ: Class javax.annotation.Nullable not found
I am using JDK 8 and I need to use the library javax.annotation.Nullable, but the eclipse returns an error saying that there is no.. Does anyone know how to get it or what version of JDK contains…
javaasked Adryan Alencar 51 -
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answer737
viewsQ: How to check existing data in comics?
I need to check if a data already exists in the BD before registering it in python, where the bd has the Videocapture table and its attributes are id, name, value.... need to verify the name before…
pythonasked Adryan Alencar 51 -
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answers190
viewsQ: Object array
I am with a facul work and the teacher asked to divide groups and each look on a subject chosen by him related to java and: What is an array of objects in java?
javaasked Adryan Alencar 51 -
1
votes1
answer99
viewsA: I’m doing a test with opencv and python but the code below does not return anything.... Some poedria help me see if there is any error?
line1 = np.array([[100,100],[300,100],[350,200]], np.int32).reshape((-1,1,2)) line2 = np.array([[400,50],[450,300]], np.int32).reshape((-1,1,2))…
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answer99
viewsQ: I’m doing a test with opencv and python but the code below does not return anything.... Some poedria help me see if there is any error?
import numpy as np import cv2 cap = cv2.VideoCapture('peopleCounter.avi') #Open video file while(cap.isOpened()): ret, frame = cap.read() #read a frame try: cv2.imshow('Frame',frame) frame2 = frame…
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answer47
viewsA: Animation in css
Only add these properties in the css of . modal animation-duration: 3s; animation-name: slidein; animation-directioniteration-count: infinite; and add the following animation in css @keyframes…
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answer47
viewsQ: Animation in css
I have a code in html that when I click on the button it opens a modal, and inside the modal I have another button to close, and I would like to put an animation at the opening and closing time, for…
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answer152
viewsQ: Animation in background HTML
people I saw on a website the following animation in the background and would like to know if someone has her source code or something like .... follows the link of the site with the animation: to…