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229 views

1 answer

rect-form如何获取form的值呢

我使用的是react-redux。react-form自带的onSubmit方法可以通过参数直接获取到表单数据，可以再别的方法里我该如何获取呢？？？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

1 answer

javascript如何知道浏览器是否已经禁用confirm

调用浏览器的confirm时弹出确认框之后选择禁用，当代码再次调用confirm方法时还是会返回false，js能否知道浏览器的confirm已经被禁用。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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331 views

1 answer

Autodesk Forge 的云端自动化图纸设计是否支持VB6或VBA？

我有一些基于AutoCAD的程序，是用VB6编写的，看到Autodesk Forge 的云端自动化图纸设计服务可以在云端自动的编辑，创建AutoCAD DWG图纸。不知是否能执行VB6代码，或者有无VBA的支持，这样我可以把代码放到VBA里。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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602 views

1 answer

nodejs使用mongoose连接数据库，使用post提交表单在后台，后台处理后调用res.redirect()跳转界面无效？

nodejs使用mongoose连接数据库，使用post提交表单在后台，后台处理后调用res.redirect()跳转界面无效？这是为什么呢，情况：我想要在项目中连接多个mongodb数据库，所以就想使用mongoose.createConnection ... ，用户密码验证也是可以的，但是为什么res.redirect('/');就是无反应呢，不跳转 ...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

1 answer

canvas在IOS8中不兼容。画不出来。

var canvas=document.getElementById('myCanvas'); var ctx=canvas.getContext('2d'); ctx.fillStyle='#FF0000'; ctx.fillRect(0,0,80,100); 上面是我在 ... ，在ios8.1.2版本的苹果6上面，cavas画不出内容，求解决办法 ...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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392 views

1 answer

Android View形状变化动画

请教android View形状变化动画怎么实现，比如ImageView从圆的变成方的。有没有可供参考的库或者API？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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172 views

1 answer

c# - Issue Understanding SQL Server Merge for Bulk Insert

I generate a DataTable and I first remove all rows from that DataTable in C#. Then I pass on the DataTable to ... and removed before using the DataTable. Any help is appreciated....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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507 views

1 answer

如图，这两个java面试题的答案都是错误的吧？正确的应该怎么写呢？

...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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413 views

1 answer

How do I export a SubtleCrypto ECDSA private key with PKCS#8 in JavaScript?

I'm trying to export an ECDSA (this probably applies to ECDH as well) private key I've generated with SubtleCrypto in ... be doing wrong here, and how can I make it work?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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227 views

1 answer

注销cookies

请问在node.js里面怎么注销cookies. router.get('/',function(req,res){ req.cookies.destroy(function(err) { res.redirect('/'); }) }); 有问题吗?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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418 views

1 answer

python 继承线程的类不能通过标志位结束线程

在测试生产消费者模型的时候遇到这样一个问题，在继承线程后加了个标志位 mark class Consumer(threading.Thread): def __init__(self, queue): threading.Thread.__init__(self) ... 际效果是程序卡死在worker.join() 完全没有退出请教下，这是什么原因？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

1 answer

想给Wordpress换个VPS，同等价格选2 CPU 1G MEM，还是1 CPU 2G MEM？

想给Wordpress换个VPS，有两个靠谱的服务商，在经济承受能力范围内有一个价格相同但是配置不同的套餐 2 CPU Core + 1 G MEM 1 CPU Core + 2 G MEM 选哪个比较适合Wordpress？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

228 views

1 answer

fiddler抓不到请求

使用fiddler抓vertx框架发送的请求却抓不到但是使用new URL形式就可以这是为什么呢 System.setProperty("http.proxyHost", "localhost"); ... e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); }...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

602 views

1 answer

vue 中使用原生 HTML 标签名命名组件的问题。

想像 iview 一样使用<Input>来命名 vue 中的组件，但是控制台会发出警告 [Vue warn]: Do not use built-in or reserved HTML elements as component id: Input 按文章所说的--聊聊 ... 是支持这种命名方式的但不知道为什么还是警告了，所以请教下该如何解决这个问题 ...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

395 views

1 answer

Flatbuffer gRPC streaming definitions (bidi, server, client...)

I'm trying to implement a Flatbuffer gRPC server and was original confused by the streaming: "server" definition. After ... somewhere and I'm just terrible at searching? lol....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

303 views

1 answer

项目开发中使用了element ui的datePicker使用@change 不能调用相关的方法

1.在项目开发的日期选择是这样实现的： <div> <div class="block"> <el-date-picker v-model="value1" type="date" placeholder="选择日期下限" @change="pickTime" : ... } } 但是不知道为什么就是不能触发change事件，不能获得所选的格式化后的值？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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360 views

1 answer

ios - Swift: How to mask a UICollectionView's background to only be seen behind visible cells?

Introduction Hello, I have added a background view with a CAGradientLayer, and my UICollectionViewCells have a hole in ... view) make.bottom.equalTo(self.collectionView.snp.top) }...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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372 views

1 answer

regex - How do I Find patterns in both the Directory and Filename and perform a rename on the file only if the pattern is found for the parent directory?

What I am trying to do is rename the files, but only if the parent directory of those files matches a given pattern. What I am wanting ... */cd[[:digit:]]*/[[:digit:]][[:digit:]]*'...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

1 answer

简单字符串处理，求思路。

$arr = [2,3,4,5,8,10,11,12,13,16,19]; 转换成字符串 2-5，8，10-13，16，19 个人的思路是把 8 16 19 这种两边都不靠的挑选出来，这种 2 3 4 5 再选择一个最大值最小值。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

942 views

1 answer

extract item from list in R using tidyverse

I have a list in R from a Structural VAR Model I've run. Here is the dataset I've used ... achieve the same. Any suggestions? res <- SVAR.namibia$var$varresult$CPI_NAM$residuals...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

488 views

1 answer

Android 原生Vue.js 使用 justify-content: flex-end; 不起作用

使用 weex-hackernews 构造 Android 原生，Vue.js 的属性 justify-content: flex-end; 外面套两层 <div>，居底不起作用，见图1 浏览器访问，可以居底，见图2 ... .validateText { font-size: 24px; margin:5px; } </style> 不能上传图片，略 ...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

452 views

1 answer

Using Capybara with Cuprite, anyone know how to set up screenshot limits in the tmp/screenshot folder?

The default setup seems to have infinite screenshots saved. I don't see any documentation on how to manually set limits. I ... that it's not taking up so much space over time....

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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438 views

1 answer

image recognition - (YOLO) Is better to label objects that you are not interested in?

Assume I have a dataset of images each containing a truck and a bike, but I'm interested only in recognizing bikes to ... interested in, and 5 classes that I'm not interested in)...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

381 views

1 answer

wampserver，在本地计算机输入IP，不可访问云服务器网站，403错误

在服务器上输入外网IP可以正常访问，请问怎么回事？用IIS服务器在服务器和在本地计算机都能访问...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

270 views

1 answer

前后端分离API定义

前后端分离API有哪一端定义更合理？...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

151 views

1 answer

Weird integer conversion with structs and pointers in C

I'm trying to create a stack in C and when I 'push' to it, based on int*s, after the second push I get a ... like things seemed really clear to me. So what is going on? Thanks!...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

292 views

1 answer

前段小白提问js打包问题

/crm/wpa/release/3.3.7/wpa/views.js?v=3.3.7.20160126，大神谁能给说一下，这种js代?v=的格式是用什么工具做出来的么？...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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424 views

1 answer

JS数据处理，如何计算每月最低的数值？

返回的数据可能有几个月，如何计算出每个月的最低的price？下面是数据结构：谢谢~...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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