label | 易学教程

Can i read value from QLabel

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问题 I now how to set value(number) but can i read that label in some variable. if can't read, in which similar widgets can i put value and read it. Any help would be halpful or someone has an other idea. Maybe like LCD number, spin box 回答1: Like this? QString text = someLabel->text(); 回答2: Here is the documentation. QLabel.text() EDIT: QString text = theLabel.text(); //or with pointer QString text = theLabel->text(); 回答3: have you tried : QString s = YourQLabel->text(); This should work, I guess.

Problems with creating label in tkinter

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问题 I create simple label in tkinter but it is created with {}, what I don't want to. gameOver=Label(root, text=('Game over!\nYou scored', number, ' points!'), font=('Arial Black', '26'), bg='red') That is my code, where number is variable. But it prints "{Game over! You scored} 0 {points!}" That is what get with this code (0 is value of number ) Any ideas to solve this problem are welcome 回答1: ('Game over!\nYou scored', number, ' points!') is a tuple of three items, but text probably expects a

Change label when checkbox is checked

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问题 I have a lot of listst with checkboxes like so: <ul> <li><label class="highlight"><input type="checkbox" id="1" class="filteritem">Lorem Ipsum</label</li> <li><label class="highlight"><input type="checkbox" id="223" class="filteritem">Lorem Ipsum</label</li> <li><label class="highlight"><input type="checkbox" id="32" class="filteritem">Lorem Ipsum</label</li> <li><label class="highlight"><input type="checkbox" id="42" class="filteritem">Lorem Ipsum</label</li> <li><label class="highlight">

Change label when checkbox is checked

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Changing axis label color in LightningChart JS

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问题 The chart appears with dark background, axis numeric labels in grid positions are yellow. How do I change axis label colors to white? E.g. in this example https://www.arction.com/lightningchart-js-interactive-examples/#edit/lcjs_example_0001_simpleScatter I'm trying chart.getDefaultAxisX() .setInterval(0, 92 * dataFrequency) .setTickStyle((visibleTicks) => visibleTicks .setLabelFillStyle( color: ColorRGBA(255, 255, 255) }) ) But it's giving SyntaxError: Unexpected token, expected "," 回答1:

How do I make a label load content located on a website?

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问题 I want to make a label which indicates if a band is on tour (System of a down fyi) So I want a label in the interface to adjust to a value given on my server. ( So it needs to extract data from a (.html) file and display it as a label. ) WebViews are messy in my opinion and a label looks better. 回答1: I'd recommend using AFNetworking - http://afnetworking.com/. It will allow you to pull data from your server. For example, you could create an XML file containing the data that you need. Then you

iOS 修改label中文字的行间距

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UILabel *label = [[UILabel alloc] init]; label.font = [UIFont systemFontOfSize:17]; label.textColor = [UIColor clackColor]; label.numberOfLines = 2; label.text = @"333333333333333333333333333333"; [view addSubview:label]; NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:label.text]; NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init]; [paragraphStyle setLineSpacing:7.0f];//设置行间距 [attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, label.text.length)]; label

基于百度飞浆深度学习框架的各个优化算法比较（手写数字识别）

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# 加载相关库 import os import random import paddle import paddle.fluid as fluid from paddle.fluid.dygraph.nn import Conv2D, Pool2D, FC import numpy as np from PIL import Image import gzip import json 一、数据处理 # 声明数据集文件位置 datafile = './work/mnist.json.gz' print('loading mnist dataset from {} ......'.format(datafile)) # 加载json数据文件 data = json.load(gzip.open(datafile)) print('mnist dataset load done') # 读取到的数据区分训练集，验证集，测试集 train_set, val_set, eval_set = data # 数据集相关参数，图片高度IMG_ROWS, 图片宽度IMG_COLS IMG_ROWS = 28 IMG_COLS = 28 # 打印数据信息 imgs, label = train_set[0], train_set[1] print("训练数据集数量: ", len(imgs)) #

提取labelme标注文件信息,json转txt，极简坐标提取

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功能说明将labelme标注的json文件中的坐标和label信息提取到txt文件中 ps:这里使用“”四边形+类别”标注方式，每个点坐标包括x和y,所以总共输出8个坐标值和1个label值软件 labelme 3.16.7 目录结构 # OS找得到就行 dir_json dir_txt json2txt.py json格式 “shapes"中包含多个"label” 末尾有图片信息等单个json文件提取坐标至txt def json2txt ( path_json , path_txt ) : with open ( path_json , 'r' ) as path_json : jsonx = json . load ( path_json ) with open ( path_txt , 'w+' ) as ftxt : for shape in jsonx [ 'shapes' ] : xy = np . array ( shape [ 'points' ] ) label = str ( shape [ 'label' ] ) strxy = '' for m , n in xy : strxy += str ( m ) + ',' + str ( n ) + ',' strxy += label ftxt . writelines ( strxy + "\n" )

K8S-安装-Prometheus监控

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使用 Prometheus监控 k8s 转载 Prometheus部署篇参考这篇文章，内容有些bug 已经被我改掉想使用 Prometheus监控 k8s，当下是需要将 Prometheus安装到k8s中，让Prometheus具有rbac权限才可以对 k8s的相关组件进行抓取必须的配置文件 prometheus-configmap.yaml prometheus-deploy.yaml prometheus-ing.yaml (如果没有安装ingrees这个是不需要的) prometheus-svc.yaml rbac-setup.yaml 将五个文件都存放到 prometheus_k8s_setup/ 文件夹下 [ root @k8s - master ~ ] # mkdir -p /home/deploy/prometheus_k8s_setup/ prometheus-configmap.yaml apiVersion : v1 kind : ConfigMap metadata : name : prometheus - config namespace : kube - system data : prometheus.yml : | global: scrape_interval: 15s evaluation_interval: 15s rule_files: