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javascript - d3-annotation + d3-zoom - Zooming without scaling

I'm new to d3. I've been looking everywhere for an example of how to do this. But essentially, I created ... the rendered annotation doesn't also get significantly large with it....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Alert not displaying when receiving json response

I am sending a bad request on purpose to try and proc an alert. I have tried many ways to do an alert, but this ... textAlign: "center", fontSize: 30, fontWeight: "bold" } });...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mac osx 下 vscode编辑器列选择快捷键

mac osx 下 vscode编辑器列选择快捷键是什么?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iOS 上传资源出错 Error Domain=qiniu.com Code=-5 "(null)"

iOS调用这个方法 - (void)putData:(NSData *)data key:(NSString *)key token:(NSString *)token complete:(QNUpCompletionHandler) ... Code=-5 "(null)" UserInfo={error=get zone failed}...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue-video-player 怎么监控开始播放和结束事件

我想有个需求就是必须登陆能才能看视频，所以要再它点播放时判断它有登陆时再继续但是看了vue-video-player的文档不是很明白 vue-video-player < ... (playerCurrentState) { console.log(playerCurrentState); } }, 我这样并不生效，求正确写法...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mint-ui引入出错，import 'mint-ui/lib/style.css'无效

我按照教程配置了mint-ui import Mint from 'mint-ui' 下载了style-loader cnpm install style-loader -D 配置了webpack.config.js { test: /.css$/, ... 错貌似是style.css无法引入还是style-lodaer没有配置成功？求解决方案 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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An excel cell need to be fixed, however the fixed cell should change, when i copy and the paste rows below

I have linked cells P11 to P17 with the cell E9 and formula for that I used is highlighted in image. If ... Type 1B should automatically referred and displayed in cells P22 to P27...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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微信小程序如何通过带参数的url调用方法处理数据？url写在app.json里吗？对应的方法写在哪里？

刚学微信小程序，前端勉强写了点，但是到了处理数据的就不太懂了，之前写springMVC，js学的很差，看不懂小程序怎么调用方法的， app.json 的pages 里面写了跳转的URL，处理数据的url ... }) } }) }, fail: function(res) { console.log(res.errMsg) } }) },...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - How get vesa infos ? In c in low level

I search how can I get information in struct about vesa. I want to complete this struct, I prefer do it in c but I also ... EndIF: mov eax, di pop ebp Thank you for your help ;)...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker 17.03 怎么配置 registry mirror ?

docker 17.03 怎么配置 registry mirror ? 想使用国内 docker hub 镜像，国外的速度太慢了。使用的是 docker for mac...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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为什么 Java 的 LinkedList 的双链表实现不会链接后面元素

JDK7中 LinkedList private 方法 private void linkFirst(E e)在新添加元素时链表不会断裂? 代码来源于 JDK7 private void linkFirst(E e) { final Node<E> ... = f; newNode.next 不会链接后面的元素 size++; modCount++; }...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How are the standard algorithms for JWT aligned with the OpenSSL dgst?

I currently use OpenSSL dgst -sha256 [...] for a JWT header which has alg: RS256. There are eleven JWT algorithms one ... example, RS256 = -sha256 is as valid as HS256 = -sha256....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - How do I see the where class OBJECTS are declared and defined using solution explorer in Visual Studios 2015?

I'm using Visual Studios 2015. I'd like to see where a class object is declared and defined in my code. E.g. ... questions, but I haven't been able to find the answers elsewhere....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Is there a way to define row data in react-table?

I've been tasked to build a table that will compare the results of two objects: [ { id: 1, source:{ name: 'foo', ... Just need a pointer, I know this is a very open ended question....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Language translate in react native in offline mode

How do we implement language translation in offline react native app ? We are developing a mobile app with react ... translation feature ? How can we approach this project ?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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533 views

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接口数据只在IE内核浏览器下不显示

调用的接口在chrome FireFox下能正常显示数据，但在ie内核的浏览器不能显示数据，不知道什么地方写的有问题，求解决方法 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 ... };$("#art").html(arr.join('')); } </script> </body> </html>...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Laravel 7 - Data from form won't post to database

I'm making a project where I need to create a user as an admin. But when I submit the form it won't post to the ... [UserController::class, 'allUsers']); }); Thank you in advance....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mongodb - query an array of object in an array of object

I have this document model below. I want to query by attributes with name and value (I know the name and value of ... ], "updatedDate" : NumberLong(1609292789) } Any ideas? Thanks!...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysql索引的疑惑？？

先说说我对mysql索引的理解：表A： name sex age cxl male 21 yueshu female 20 csy female 0 .... 普通情况下，name 字段未建立索引，A 表中查找 name = yueshu 的记录，则查询过程如下： ... 请结合参考资料上的描述，先纠正下我对索引的理解，然后在给出正确的解释...谢谢...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Questions regarding the algorithm question in LeetCode - Remove Duplicates from Sorted Array using Java

I am working on an algorithm problem on Leetcode. But first I wrote my answer on my own local compiler. When ... } } And the feedback from LeetCode: enter image description here...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linuxmint18.1如何提升网卡权限？

操作环境：操作系统：Linux Mint18.1 Cinnamon 64-bit Python版本：2.7.12 问题描述：在学习Python黑客编程3网络数据监听和过滤1.2节使用pypcap实时抓包这里初始化pcap类实例遇到错误按照 ... 问题呢？不胜感激（P.S. 这两天刚用上linuxmint操作系统，很多地方还不熟，正在学习中）...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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这样的css怎么实现

如下链接的第一个tababr，有点拖尾巴的跟进，怎么实现的？ https://vux.li/demos/v2/?x-pa......

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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150 views

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javascript - Mongo chunks not written

I am using MongoDB, nodeJS, express, multer, jimp and gridFS to upload an image. I first uploaded the image ... the error: MongoError: no chunks found for file, possibly corrupt...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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前后端分离，404/500页面如何渲染？

我想到几种思路: 第一种是前端渲染，通过router进行跳转，但是无法感知api的情况。第二种是nginx配置。第三种是后端渲染。第二第三种的问题是如何识别前端路由呢？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mongoose是怎么给数组文档添加数据的

比如 var PersonSchame = new mongoose.Schema({ name: String, books: [{ type：String }] }); 这时候怎么给books添加数据有点基础的问题：）...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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需要对数据库中保存的用户密码做二次加密吗？

前端API使用HTTPS传过来的经过SHA256处理的密码，后端有必要再额外进行对称加密或者非对称加密进行保存吗？暂时不考虑盐。...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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218 views

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有稳定点的代码同步方式吗？

现在我有2台服务器（称为A机与B机）都配置了互指的lsync来同步代码，他们相互监视同步，一方文件改变就可以把改变的同步到对方，但是碰到一台有大目录替换时（比如版本更新时整个项目的代码）就碰到问题了：在我的想象中正常流程是我先删掉A ... ，我把新代码放A上后，由于B还在删代码，它会把删代码的操作也同步到A，导致A的新代码也会随机被删掉我应该怎么办？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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`push *`是什么意思？

如题，状态图中，最右边full状态中的push *是什么意思呢...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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