target | 易学教程

Adding target attribute to <a> of DisplayTag

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问题 I am using display tag library for downloading the content as CSV and XLS. I am able to download the files but after opening the downloaded file am unable to click on any other links in the application. (This is specific to IE Browser) But am able to click on a button . I understood that adding target="_blank" in the Anchor tag that is dynamically created by just passing requestURI="....." and some of the properties from displaytag.property will resolve this (I tested this in developer tool).

How do I iterate over all CMake targets programmatically?

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问题 Is there a way to get all targets of a CMake project from within the top level CMakeLists.txt , i.e. iterate over the targets programmatically? The reason I want to do this is to apply some XCode specific settings to every target . . if (CMAKE_GENERATOR MATCHES "Xcode") include(sanitize_xcode) sanitize_xcode(myTarget) endif() FYI - the sanitization module looks like this . . macro (set_xcode_property TARGET XCODE_PROPERTY XCODE_VALUE) set_property (TARGET ${TARGET} PROPERTY XCODE_ATTRIBUTE_$

How do I iterate over all CMake targets programmatically?

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android get Drawable image after picasso loaded

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问题 I am using Picasso library to load image from url. The code I used is below. Picasso.with(getContext()).load(url).placeholder(R.drawable.placeholder) .error(R.drawable.placeholder).into(imageView); What I wanna do is to get the image that loaded from url. I used Drawable image = imageView.getDrawable(); However, this will always return placeholder image instead of the image load from url. Do you guys have any idea? How should I access the drawable image that it's just loaded from url. Thanks

CMake: how to change compiler for individual target

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问题 I have embedded project using cross compiler. I would like to introduce Google test, compiled with native GCC compiler. Additionally build some unit test targets with CTC compiler. Briefly: I have 3 different targets and compile them with 3 different compilers. How to express it in CMakeLists.txt ? I Tried SET_TARGET_PROPERTIES ; but it seems impossible to set CXX variable with this command! 回答1: I just had the same issue right now, but the other answer didn't help me. I'm also cross

In SwiftUI, is it possible to use a modifier only for a certain os target?

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问题 Good day! In SwiftUI, is it possible to use a modifier only for a certain os target? In the following code I would like to use the modifier .listStyle(SidebarListStyle()) only for the MacOS target because it does not exist for the iOS target. Thanks for you help. import SwiftUI struct ContentView: View { @State var selection: Int? var body: some View { HStack() { NavigationView { List () { NavigationLink(destination: FirstView(), tag: 0, selection: self.$selection) { Text("Click Me To Display

qmake-variable-reference

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qmake-variable-reference ======================== https://doc.qt.io/archives/qt-5.6/qmake-reference.html Reference The reference sections describe in detail the variables and functions that are available for use in qmake project files. Variable Reference Variables describes the variables that are recognized by qmake when configuring the build process for projects. Function Reference There are two types of qmake functions: replace functions and test functions. Replace functions return a value list, while test functions return a boolean result. The functions are implemented in two places:

路由交换（十四）：MPLS ***

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一、MPLS ***简介 MPLS ***是一种L3***技术，使用BGP在ISP发布***路由，使用MPLS转发***报文。MPLS ***有CE、PE和P基本组成，其中 CE：用户边缘设备，与ISP网络相连 PE：ISP边缘设备，与客户网络相连 P：ISP核心设备，转发MPLS报文二、MPLS工作原理 1、***实例 ***实例也叫VRF，每个***实例之间相互隔离，PE设备上使用***实例来连接不同的客户设备，实现客户网络隔离的需求。***实例中的信息包括：IP路由表、标签转发表、与***实例绑定的接口以及***实例的管理信息。 2、RD RD：路由标识，当CE的IPv4路由进入***v4地址族时，在IPv4路由前添加8字节的RD，形成***v4路由前缀，避免客户网络重叠的问题 3、*** Target *** Target指导PE将***v4地址族发往正确的CE设备，*** Target分为Import方向和Export方向 4、数据转发流程 1）CE和PE间运行PE-CE的路由协议 2）PE学习到CE的路由条目，放入*** 实例的路由表中 3）PE将*** 实例的路由信息，压入两层标签私网标签目标PE为目标CE分配的***v4路由前缀公网标签到达目标PE的MPLS LSP 接着重发布到全局***v4地址族 4）目标PE收到路由信息之后，匹配RT值，将**

鼠标拖拽吸附效果

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JavaScript鼠标拖动+自动吸附实例学了几天的JavaScript，自己动手做了一个简单的鼠标拖动的实例，拖动过程中科自动检测与目标容器的距离，在一定的距离范围内可以自动将被拖动的元素加入到目标容器中，希望对开始学习javascript的童鞋有用…… 先看看效果图（Chrome、FireFox、Opera、Safari测试通过）：效果图（虚线框：目标对象蓝色填充透明框：临时拖动对象红色填充框：被拖动对象）主要思路：首先给要拖动的div添加一个鼠标按下(mousedown)事件、给document对象添加鼠标移动(mousemove)事件和鼠标弹起(mouseup)事件。鼠标开始移动的时候创建一个临时的拖动对象（temp），移动过程中改变临时拖动目标的位置，鼠标释放时将被拖动的div（elem）的位置设置为临时拖动目标temp的位置，然后移出临时拖动目标。移动过程中，同时还检测了拖动的对象和目标div的位置关系，如果碰撞（可以设置吸附的范围），则自动吸附（将被拖动的对象加入到目标对象中），需要说明的是：这里简单起见，并没有真正的把被拖动对象加入到目标对象中，只是设置了被拖动对象的位置。鼠标按下时：获取被拖动元素的位置和鼠标按下的位置，设置拖动的标志（isDrag）值为true。 elem.onmousedown = function(event){//鼠标按下

Jenkins+Git+Maven+Shell+Tomcat持续集成

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准备工作 Git版本控制服务器 Tomcat发布服务器 Jenkins服务器(提前安装好Maven,Git,Jdk) 实验时可以在同一台机器配置，但是生产不建议，一台机器挂了，所有服务器都挂了。步骤安装Jenkins 下载Jenkins War包， Jenkins官网。启动Jenkins ，将War包放入Tomcat容器里，启动Tomcat。提示：此时Jenkins在初始化配置目录，其默认配置目录路径为当前用户下的.jenkins目录，用户也可以自定义目录，Jenkins默认是把配置文件中的数据读到内存中，如果你替换了之前的配置文件，此时需要点击Jenkins的读取设置或者重启Tomcat ,如果此时Jenkins页面无响应，则应该查看Tomcat的Catalina.out,多半是由于内存溢出造成(解决方法增大Tomcat调用Java虚拟机时内存大小,本文不做重点)，运行Jenkins的服务器配置最好内存1G以上，因为后续会加入一些Jenkins插件，有一些会比较占用内存，导致Jenkins启动不了。安装Jenkins插件 Email Extension Plugin (邮件通知) GIT plugin (可能已经默认安装了) Publish Over SSH (远程Shell) 安装方法：首页->系统管理->管理插件->可选插件->过滤(搜索插件名)->勾选-

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