label | 易学教程

ignore mouse event on label inside panel

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问题 I am making a custom menu. I am applying colors on panels on mouse enter and mouse leave. I have labels on these panels, and the mouse enter and leave events work snappy, but as soon as I hover over the label (on/inside) the panel, the mouse leave event is fired. I know I can just do the same thing for the label mouse enter event, but I am doing some other visual stuff, and I need to have the label mouse events totally disregarded. Any ideas? Thanks in advance. 回答1: I eventually just used the

Some code not executing in a method called from another ViewController

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问题 My problem I have a standard UIViewController . With the press of a button, it loads a form sheet modal view controller. When dismissing this modal view with the press of a UIBarButtonItem I call a method by doing: ViewController *main = [[ViewController alloc] initWithNibName:nil bundle:nil]; [main updateLabel]; In the method -(void)updateLabel in the main ViewController I'm setting the text of a label, but the label won't change. But I know the function gets called, because if I do a NSLog(

啥叫K8s？啥是k8s？

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•Kubernetes介绍 1.背景介绍　　云计算飞速发展　　　　- IaaS 　　　　- PaaS 　　　　- SaaS 　　Docker技术突飞猛进　　　　- 一次构建，到处运行　　　　- 容器的快速轻量　　　　- 完整的生态环境 2.什么是kubernetes 　　首先，他是一个全新的基于容器技术的分布式架构领先方案。Kubernetes(k8s)是Google开源的容器集群管理系统（谷歌内部:Borg）。在Docker技术的基础上，为容器化的应用提供部署运行、资源调度、服务发现和动态伸缩等一系列完整功能，提高了大规模容器集群管理的便捷性。　　Kubernetes是一个完备的分布式系统支撑平台，具有完备的集群管理能力，多扩多层次的安全防护和准入机制、多租户应用支撑能力、透明的服务注册和发现机制、內建智能负载均衡器、强大的故障发现和自我修复能力、服务滚动升级和在线扩容能力、可扩展的资源自动调度机制以及多粒度的资源配额管理能力。同时Kubernetes提供完善的管理工具，涵盖了包括开发、部署测试、运维监控在内的各个环节。 Kubernetes中，Service是分布式集群架构的核心，一个Service对象拥有如下关键特征：拥有一个唯一指定的名字拥有一个虚拟IP（Cluster IP、Service IP、或VIP）和端口号能够体统某种远程服务能力

Django之Form组件

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主要功能: 生成页面可用的HTML标签对用户提交的数据进行校验保留上次输入内容实现注册功能的普通方式 views.py def register(request): error_msg = "" if request.method == "POST": username = request.POST.get("name") pwd = request.POST.get("pwd") # 对注册信息做校验 if len(username) < 6: # 用户长度小于6位 error_msg = "用户名长度不能小于6位" else: # 将用户名和密码存到数据库 return HttpResponse("注册成功") return render(request, "register.html", {"error_msg": error_msg}) login.html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>注册页面</title> </head> <body> <form action="/reg/" method="post"> {% csrf_token %} <p> 用户名: <input type="text" name="name"> </p> <p> 密码：

Remove label borders in R Spie plot

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问题 This is my code require(caroline) x <- c(100, 90, 80, 15, 120, 25) y <- c(120, 120, 60, 10, 120, 15) names(x) <- c("Mark_1", "Mark_2", "Mark_3", "Mark_4", "Mark_5", "Mark_6") spie.sales <- spie(x, y,col=rainbow(length(x)),bg=c("black", "violetred1", "cornsilk","red", "green", "white")) How do I remove the borders around the labels (Mark_1, Mark_2 etc) ? This is the image that I get while plotting 回答1: Although it would be possible to use the function fixInNamespace to modify the spie function

Tkinter Label with arabic text

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问题 is there any way to make that Arabic text looks exactly how it must be : the example below should look like "باطو" 回答1: Since Arabic script is right to left, you can use the libraries: https://github.com/mpcabd/python-arabic-reshaper and https://github.com/MeirKriheli/python-bidi Something like this can work: # !/usr/bin/python3 from tkinter import * import arabic_reshaper from tkinter import messagebox from bidi.algorithm import get_display text_to_be_reshaped = "ﺏﺎﻃﻭ" reshaped_text = arabic

Chartjs labels and legend

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问题 I have an application which contains some ChartJS. Charts work well and legend is shown when mouse is hover the chart. How can I configure charts to have legend and labels value all the time on chart, not only when hover. 来源： https://stackoverflow.com/questions/38465624/chartjs-labels-and-legend

gnuplot: making axes numbers smaller in epslatex makes my axes label disappear offscreen

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问题 I'm writing a script to generate three plots in a column (using multiplot and setting margins). They all share an x-axis, so it's only necessary to label that on the bottom plot, but they have separate y-axes. I'm using the epslatex terminal in gnuplot to generate the plots with latex labels and axes. Basically, I need the numbers on the axis to use a smaller font size than the actual axis labels. So far, I've been doing this using, reset set term epslatex standalone color solid 10 set output

How to copy text from different Labels using only one context menu

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问题 I have a Windows Form program for contact list. I already have a context menu used for copy and pasting from the DataGridView. However, I want to be able to right click a Label and select copy from a context menu to copy the data from that ONE Label. I have 10 different Labels, I do NOT want all of them, just the one that I right clicked on to select copy. I know that using Clipboard.SetText(label1.text) will let me select that specific Label, but I do not what to create 10 context Labels

matplotlib imshow editing x-axis

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问题 I want to display an amplitude spectrum of an image. I am able to do this using following code: import numpy as np import matplotlib.pyplot as plt import pylab pylab.gray() pic = pylab.imread("C:/pic.png")[::-1,:] amp_pic = pylab.subplot(1,4,1) amp_pic.xaxis.set_ticks_position('top') pylab.imshow(np.abs(np.fft.fftshift(np.fft.fft2(pic))),\ interpolation='nearest') pylab.show() But the axis is not labeled the way an amplitude spectrum should be labeled. In the case of a 1D-function the