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javascript - Reactjs jspdf-autotable output in page

I'm trying to show the pdf that was just created on the reactjs page without having to download it. I've tried this using an iframe ... url} height={800} width={600} /> </div> ); }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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canvas绘图，绘制完成后图消失了，canvas节点还在是什么原因

使用echarts绘制一个图表啥的，现在绘制完成后，图马上消失了不知道是什么原因，dom中的canvas节点还在另外，把echarts的渲染器换成svg没问题 var chart = echarts.init( ... 30, 60], name: '应用数', type: 'line' }] } chart.setOption(option1)...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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186 views

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Display graphic cards next to each other in Python

I am making a card game and I want to display the cards graphically with strings. However, with my current method that are ... ?3", "?4"] for card in cards: display_card(card)...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Is that possible to add android app to firebase project programmatically using firbase cloud function

Is there any method to add a android app to exiting firebase project programmatically and i need the google-services.json as ... , "projectId": "324324324", "appId": "wdeqwe" }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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312 views

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antd中无法手动设置select选中值？

在我收到一条其他组件处理好的数据后，我想把它的值直接设置为一个Option，并且自动选中它我应该如何操作？这里是沙盒地址：https://codesandbox.io/s/runtime-violet- ... （我试过在Form.Item上设置defaultValue/value，以及在select上设置value，不过都失效了）万分感谢！...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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476 views

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jenkins - Prameterized trigger is ignored

There was a default timed trigger to run tests against default stack version. I want to add another scheduled trigger with ... do it on job yml file and without duplicating jobs?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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188 views

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line-height对背景图标高度有何影响？

在制作纵向导航条时发现作为项目符号的背景图像比字符的位置要高一些例如： <!doctype html> <html> <head> <meta charset="utf-8"> <title>测试网页</title> <style> ul { ... 站在同一条水平线上：虽然能够做到比较满意的效果，但还是想搞清楚line-height起到什么作用 ...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Appauth-js 授权的重定向路径怎么在electron窗口打开

现在重定向的页面直接打开浏览器显示了，想用electron窗口打开...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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343 views

1 answer

android - How to define a SeekBar's minimum value, maximum value and range? Is this done in the XML layout or do I need to define it in java?

How to define a Seek Bar's minimum value, maximum value and range? Is this done in the XML layout or do I need to define it in ... .setText(pval + "/" + seekBar.getMax()); } }); }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Promise.all的参数执行顺序的问题

不明白Promise.all的参数有一个失败的话，后阻塞后面的参数执行吗？比如参数数组是[promise1, promise2, promise3],响应速度是promise1快于promise2快于promise3 执行后 ... 会把Promise.all的状态变为reject，还会阻塞promise3的执行？promise3即使能成功也不会执行呢？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Nginx 指定文件映射到几个指定文件。

网站根目录下没有这几个PHP文件，需要用Nginx进行映射吧，然后会目录映射，但是不会文件映射，尤其是单独的几个文件现在下图的配置是找到了这几个文件，但是访问的时候是直 ... 件的运行结果 location ~ ^/(login|join|password_reset).php$ { root D:/wwwroot/tools/wwwroot/; }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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238 views

1 answer

为什么后端没有收到请求？

前端的请求是这样的 console里报了预检请求头不对的错后端是node 我用了一个中间件来打印所有请求为什么后端没有收到login这个请求，也没收到预检请求如何解决这个错误？补充：后端代 ... (ctx.request.method === 'OPTIONS') { ctx.status = 200; } await next(); }; };...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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207 views

1 answer

javascript - Does all async function code will run i a different thread?

I have wrote the following code: async function imaAsyncFunction () { console.log('1234'); let res = await setTimeout(()=> ... '); } imaAsyncFunction(); console.log('bla bla bla');...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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234 views

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AES with linear s-box

suppose I have made changes in AES by removing the non-linear S-box and replacing it with a linear function. I ... binary representation of each bit instead of the usual S-box....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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200 views

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Why we use -1 within a for Loop c#

I have code which checks if a word if a palindrome or not. Within the for loop there is a -1 value. Can someone ... }else { Console.WriteLine($"{name} is not palindrome"); }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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306 views

1 answer

java程序，如下两个jar包搜不到下载路径呀？

bcpro-jdk15on-1.59.jar与commons-lang3-3.1.jar如何下载，百度搜不到这连个jar包的下载路径呀...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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389 views

1 answer

关于box-sizing的小疑问？

主要是想问一下，当元素没有宽高的时候，box-sizing的问题： 1：div1为默认的content-box <style> *{ margin: 0; padding: 0; } .div0{ width: 300px; height: ... 或者说设置了content-box的话，content部分应该大一点呀不是很懂，求大神指点下！...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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typescript的class，如何断言一个属性肯定存在？

如下，已经统一写了个函数判断属性是否存在，不存在会抛出错误，但是ts不认，请问有什么方法可以解决这个问题？ class { prop1?: sring clear() { this._check() this.prop1.split( ... () { if (!this.prop1) { throw new Error('请先传入正确的参数') } } }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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326 views

1 answer

vue的适配问题，better-scroll

如图，可以左右滑动，页面布局用的rem,但是需要给出滑动的ul的宽width*length，之前width是用的px,我改成rem之后，qq浏览器没问题，uc上还会出问题，vue某个元素的宽怎么才能拿到。...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

1 answer

c# - .Net Core not routing to POST Method but GET Method works

I'm training with the sample web application. For unknown reason .Net Core does not route POST requests to corresponding ... } Here are the samples of POST and GET requests....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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589 views

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How to apply interfaces that define multiple constructors in Typescript?

I've been searching for a way to implement multiple constructors of a class. I found this Stackoverflow question ... "new Array(input)" and apply this ArrayConstructor interface?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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398 views

1 answer

求助这个网页怎么实现自适应？

请教各位这个页面怎么实现让它在不同的手机端自适应屏幕去显示呢？ <html> <head></head> <body> <div class="wraper" style="width: 660px; ... fs-2146a648-0" style="left:71px; bottom:754px; ">权</span> <span class=...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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728 views

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search - R list.files for multiple specific file names

I have a directory in windows with multiple sub-directories. I also have a list of file names that ... -5FX3C8T_JNJLFSPROD-ZZFDA-CDRH-AERS-3500A-01162017131543-1-5FX3C7P.xml"...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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490 views

1 answer

Access Denied with LDAP and C#

Using LDAP with DirectoryEntry or PrincipalContext in C# worked fine, I could read AD, change properties, yet when creating ... create groups/users... So what is going wrong here?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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618 views

1 answer

PDF 预览权限控制

像百度文库那样，根据用户权限只显示PDF的几页给用户查看，这个是怎么做到的？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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675 views

1 answer

dart - Why Flutter Navigator 2.0 API not work with flutter_block?

I am trying to make navigation by serving pages via BLoC (flutter_bloc 6.1.1). main.dart: class MyApp ... project: https://github.com/morfair/flutter_test_app/tree/master/lib...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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612 views

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c++ - ROS cv_bridge::toCvCopy fails with segmentation fault

I'm experiencing a weird segmentation fault. When executing cv_bridge::toCvCopy in a ROS node, it fails with segmentation ... reason of the error. Could anyone suggest a solution?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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uniapp 运行微信小程序字体图标错误。

正常运行H5页面是这样的运行微信小程序是这样的报错信息请问下这种情况怎么处理？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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