Recent questions in Technique[技术]

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aws cognito custom auth flow: how to verify

Folks, need some guidance on custom authentication with cognito. First challenge should be PASSWORD_VERIFIER. I kick ... in the documentation that says validate username/password....

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

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214 views

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How to allow for specific IPs to access rss feed urls in nginx?

I want to restrict the access to rss feed urls like https://example.com/feed/20 and allow the access to specific IPs. I have ... all; } Can any one has a best way to apply this?...

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

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excel - Create STO with multiple line items in SAP ERP using VBA

I am trying to automate the STO creation in SAP ERP by using VBA. I should be able to create STOs with multiple ... Session.findById("wnd[1]/usr/btnSPOP-VAROPTION1").press End Sub...

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

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python - Check if there a string in a column containing numbers

In the below example, last column (c) contains random string called 'new' . So is there way to check if a columns contains a string (Need ... ,'taylor'], 'c' : [2,3,4,5,'new'] })...

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

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259 views

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Nuxt remove unused Javascript connect.facebook.net

Where could 4 big unused connect.facebook.net requests hide? I don't use any facebook services in whole page only ... and lower my score which is pretty great deal for me...

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

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js 求助该怎么删除这种类型的对象数组

这是返回的数据res.rows，现在我需要根据判断删除modulesG里的其中一个数组（对象），用name做判断，假设res.rows[i].modulesG[i].name == 'test'的话，就删除这个modulesG[i]， ... == 'test')?{ res.rows[i].modulesG[j].splice(j, 1); } } }...

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

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HappyPack报错，提示：HappyPack: unable to locate the plugin list ？

vuecli3.0创建的项目配置了一些webpack的优化方案，其中就有用到一个叫HappyPack的插件，用来并发打包项目但是配置完之后打包过程中报错报错信息： Module build failed (from ./node_modules/_thread- ... 开启并发也也可以指定并发数 }), ], }, } } 请教各位大神帮忙看下！...

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

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Capturing Pandas aggregation in to Lists

I have a column of data which has datetime and another column which has a numeric field (Length) and I am able to aggregate ... Similarly for mean, max. Is there a way to do it?...

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

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278 views

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uni嵌入的webview，怎么调用uni的api

我嵌入的是html页面 <script type="text/javascript" src="//js.cdn.aliyun.dcloud.net.cn/dev/uni-app/uni.webview.0.1.52.js"></ ... > 报错信息19:21:41.939 [ERROR] : Script error.filename:lineno:0...

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

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418 views

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联合索引生效问题

联合索引中如果index(a,b,c,d,e,f) 1、那么a,c,d组合会生效吗？a,d,f组合会生效吗？只要带有a字段就可以吗？ 2、如果where带有主键id，需要把id需要加入到联合索引中吗...

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

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329 views

1 answer

php - mysqli_query expects at least 2 parameters

This mysqli_query command results in the error below mysqli_query("INSERT INTO `counter`.`hits` (`page_hits`) VALUES (1)"); ... this error message mean, and how can it be fixed?...

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

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docker 在执行 npm ERR! 报错第七步错误 node-sass

...

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

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339 views

1 answer

egg框架的session插件怎么用？

egg文档这里写的session 用ctx.session读取和设置这里存的是什么？例子中的ctx.session.user的user是什么意思？难道session不是存密文的么？具体怎么操作啊？问题可能持续更进...

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

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171 views

1 answer

C++代码运行命名空间的函数为何报错？

我写了一个test.cpp文件： #include <iostream> namespace ns001 { int main01() { std::cout << "hellow" << std::endl; return 0; } } ... cout << "hellow" << std::endl; return 0; } main(); }...

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

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372 views

1 answer

regex - How to search and extract in a dataframe in #R using a pattern that includes moving from columns and rows?

I would like to search and extract from a big dataframe in R a number that is located in different places but is always located one column ... NA NA 50 1850 NA 95 2300 ... ... ......

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

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336 views

1 answer

go-micro不能自动发现服务

环境: go1.14.7 go-micro v2 centos7 暂不涉及数据库等 go-micro的组网方式：走的127.0.0.1 或192.168这样的形式都试过服务注册方式:mdns 现像：我用go-micro编写了微服务，编译后 ... 连服务器都重启过 selinux是关闭的已经想了很久的办法了，还没搞定，请大佬指点一下谢谢！...

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

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179 views

1 answer

ios - Resume CABasicAnimation backwards by setting .speed equal to -1

EDIT: i've refactored the question a bit and solved part of the issue, now the question comes down to why does the ... toValue = 0.5 middleShadow.add(animation, forKey: nil) } }...

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

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485 views

1 answer

请问NUXT.js项目顶上的黑色进度条如何去掉？

NUXT.js项目，在请求数据时，顶上会有一个黑色进度条，请问如何去掉，或者降低下要求，如何修改它的样式。...

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

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684 views

1 answer

A User 文件夹已经有群组权限，却还被系统要求「你当前无权访问该文件夹，单击"继续"获取永久访问该文件夹的权限"」?

在共享资料夹的伺服器 Active Directory 用户和电脑 : 建立一个群组 : Administrtors ，并将 xxxx.com 域的 3 个用户 A User 加进这个群组接着设定该群组在工程部资料夹有完全权限但是在共享 ... 按确认后，系统会将 A 单独加入安全权限这边让我困惑，不是已经有群组 Administrtors 权限了吗?...

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

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553 views

1 answer

一个消息队列中等待另一个消息队列，使用sleep，偶尔会导致崩溃

$is_finish = $redis->sIsMember("time_machine_key", '111'); while ($is_finish) { print("等2秒"); sleep(2); $is_finish = $redis->sIsMember(" ... 来作为消息队列，会导致本条消息队列退出,应该如何处理呢...

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

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568 views

1 answer

python - A JAX custom VJP function for multiple input variable does not work for NumPyro/HMC-NUTS

I am trying to use a custom VJP (vector-Jacobian product) function as a model for a HMC-NUTS in numpyro. I ... not figure out what was wrong after various trials changing shapes....

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

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371 views

1 answer

php 中的闭包函数

比如说定义一个闭包函数$fn $fn->call() $fn instanceof Closure 这是对象的用法，难道说闭包函数即是函数也是对象？...

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

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660 views

1 answer

请问这个波浪效果是怎样实现的呢？有哪些方法可以实现类似的效果吗？

如图：网址： http://www.clevermama.com.cn/blank23.html...

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

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531 views

1 answer

vue.js - Vue component return value

I'm new to VUE and am trying to clean up my code by creating components instead of repeating code. How do you ... : { result(fromSquare) { this.squaredResult = fromSquare; } }...

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

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559 views

1 answer

自己写的js库，按照es6语法导出的问题

目录结构是这样的，config.js和validate.js中有若干export function，然后导入到index.js中导出：这样写有个问题，用的时候不太方便，比如我想用config.js中某个函数，那我得这样： import { ... () 有没有什么导出得方法，能让我这样用： import _ from '...' _.func()...

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

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529 views

1 answer

是什么东西占用内存java

如何找到jvm是什么东西占用内存 java启动参数非常简单java -Xmx512m -jar app.jar 在容器内执行top 看到java占用内存是2.7g 是啥东西占用了这么大的内存 ... 8.0_131-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)...

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

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565 views

1 answer

php引用传值问题

$arr = []; $str = "傻逼"; $treeArr = &$arr; for($i=0; $i < 2; $i++) { $word = mb_substr($str,$i,1); $treeArr = &$treeArr[$word] ?? ... ; } print_r($arr); 请大佬解答一下为什么会得到如下结果？没看太明白，感谢...

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

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612 views

1 answer

javascript - Getting unwanted base64 when require('image.dir')

I have a project structure with two separate folders, one for the backend and the other one for the frontend. I'm ... 's png like every other image file... Any insight welcome...

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

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