backend

问题 When I execute following: availableBackends = [cv2.videoio_registry.getBackendName(b) for b in v2.videoio_registry.getBackends()] print(availableBackends) I get ['FFMPEG', 'GSTREAMER', 'INTEL_MFX', 'V4L2', 'CV_IMAGES', 'CV_MJPEG'] . If I now try: print(cv2.CAP_FFMPEG) print(cv2.CAP_GSTREAMER) print(cv2.CAP_INTEL_MFX) print(cv2.CAP_V4L2) print(cv2.CAP_IMAGES) print(cv2.CAP_MJPEG) all work except the last one AttributeError: module 'cv2.cv2' has no attribute 'CAP_MJPEG' . How can I explicitely

问题 When I execute following: availableBackends = [cv2.videoio_registry.getBackendName(b) for b in v2.videoio_registry.getBackends()] print(availableBackends) I get ['FFMPEG', 'GSTREAMER', 'INTEL_MFX', 'V4L2', 'CV_IMAGES', 'CV_MJPEG'] . If I now try: print(cv2.CAP_FFMPEG) print(cv2.CAP_GSTREAMER) print(cv2.CAP_INTEL_MFX) print(cv2.CAP_V4L2) print(cv2.CAP_IMAGES) print(cv2.CAP_MJPEG) all work except the last one AttributeError: module 'cv2.cv2' has no attribute 'CAP_MJPEG' . How can I explicitely

问题 I'm goning to use auth.UID in my backend web service as api_key for each user I wounder if UID is final key or it expires/changes 回答1: The auth.UID will never expire. One thing to keep in mind is that the auth.UID will always be the same only if the user does not delete his account. If you let the users the posibility to delete their accounts, if they will sing in again into your app, another UID will be generated, which will be different from the first one. Not every time the UID is a good

问题 For a school project I have to build a website and all the stuff... I want to send an email when a certain button is pressed. For now I used an gmail address for the server BUT it needs authentification and all. How can I bypass the authentification ? Are there some other STMP servers that do not require authentification so I send an email easily ? Thanks guys ! 回答1: You should use Nodemailer Its a npm module installed it and there you go. var nodemailer = require('nodemailer'); var

问题 This is the backend section of the server in node js stub.PostWorkflowResults( { workflow_id: "Demographics", inputs: [ {data: {//need req.body.input here //}} ] }, metadata, (err, response) => { if(response){ console.log(response) }else { console.log(err) } I used bodyparser. What needed is to put req.body.input inside the object {data: {//need req.body.input here //}} 回答1: FrontEnd //App.js import axios from 'axios' import {useEffect, useState} from 'react' import './App.css'; function App(

问题 In the Woocommerce admin screen, I'm attempting to use the order line meta data to display a button which will open up a new window with the URL of the dropship supplier. I have successfully pulled the supplier URL from the product on order and pushed it to the order line item. I am able to change the meta data to a button but the consequence of that is the other custom fields which contain the custom options are wiped. This is the full code which I have added to the functions.php file add

问题 Yesterday we had the situation, that someone ask my "Who created this coupon?". Unfortunately WooCommerce by default does not display the creator of the coupon in the coupon overview where all coupon are listed. What I try to find out is, how can I add a new column with the author name in the WooCommerce > Marketing > Coupons overview. This what I have so far: function display_coupon_creator() { foreach( $coupons as $coupon ){ // Get coupon creator $coupon_creator_id = get_post_field('post

问题 I'm trying to implement something like if np.max(subgrid) == np.min(subgrid): middle_middle = cur_subgrid + 1 else: middle_middle = cur_subgrid Since the condition can only be determined at run-time, I'm using Keras syntax as following middle_middle = K.switch(K.max(subgrid) == K.min(subgrid), lambda: tf.add(cur_subgrid,1), lambda: cur_subgrid) But I'm getting this error: <ipython-input-112-0504ce070e71> in col_loop(j, gray_map, mask_A) 56 57 ---> 58 middle_middle = K.switch(K.max(subgrid) ==

问题 I'm trying to implement something like if np.max(subgrid) == np.min(subgrid): middle_middle = cur_subgrid + 1 else: middle_middle = cur_subgrid Since the condition can only be determined at run-time, I'm using Keras syntax as following middle_middle = K.switch(K.max(subgrid) == K.min(subgrid), lambda: tf.add(cur_subgrid,1), lambda: cur_subgrid) But I'm getting this error: <ipython-input-112-0504ce070e71> in col_loop(j, gray_map, mask_A) 56 57 ---> 58 middle_middle = K.switch(K.max(subgrid) ==

问题 I need help in renaming a tab menu item under woocommerce tab on wordpress admin. We installed a plugin that appears as a submenu on woocommerce tab. Can anyone please help me on this? I found this code below to rename a tab menu, but I dont know what is the tabmenu key of it. Or anyone here how to check tab menu key on my current tab menu items? add_action( 'admin_menu', 'custom_change_admin_label', 99); function custom_change_admin_label() { global $menu; //global $submenu; $menu[5][0] =