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windows - Module can be imported in python but cannot be used from command line

This is essentially the opposite of this problem: Import module works in terminal but not in IDLE If I start a python session ... python) import sys; for i in sys.path: print(i)...

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

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950 views

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gtk3 - gtk image-button scaling of image and handling size requests

I am trying to use some buttons containing images (pixbuf) with the following properties: The width of a button ... the Rust binding gtk-rs buttons currently are not subclassable....

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

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301 views

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parsing - PHP parse/syntax errors; and how to solve them

Everyone runs into syntax errors. Even experienced programmers make typos. For newcomers, it's just part of the ... so check the vendor's requirements against your platform setup....

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

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414 views

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Solving Buster captcha

I'm using a extension called Buster: Captcha Solver for Humans, and i need a script to use in ... captcha-solver-for/mpbjkejclgfgadiemmefgebjfooflfhl Thanks if you help me. image...

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

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203 views

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javascript - Is my AJAX Call function correct for Removal of Table Row?

I'm having trouble figuring out why my "Remove" button is not working as intended. I'm working on a webpage. Long story short ... something I'm missing, please let me know a.s.a.p....

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

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649 views

1 answer

node.js - AWS Lambda - NodeJS CSV Data to S3 File

Experts, I have a JSON object that I need to save to the S3 bucket as a CSV file. This is what I have managed so ... fine and this is the last printed log. Writing to s3 bucket.....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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797 views

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amazon web services - AWS Amplify - Does it run PHP scripts?

My website has a contact us page with a HTML form that submit POST's to a local PHP script that uses PHPMailer to ... a question on their forum here, but have gotten no response....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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497 views

1 answer

VsCode导入.vue、.css文件时没有代码提示

VsCode中使用import from、require等命令导入Vue、CSS等文件时不会给予代码提示(js文件正常)，导入后也不能使用Ctrl+点击来链接文件，我就纳闷了，到底怎么做？才能让他出现提示！ Vetur等插件都有装，但没什么效果...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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335 views

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node.js - AWS Cloudfront sending base64 data of video instead of Streaming

Im using Node.js to stream Cloudfront Videos from S3 bucket , the Video which I manually upload to S3 is streaming via ... Metadata to video/mp4 but no result ,please help .......

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

element cascader级联选择，回显不了数据

<el-cascader :options="options" v-model= value :show-all-levels="false"></el-cascader> <script> export default { data() { return { ... } 怎么能把数据回显到 cascader中呢？直接把item赋值给value是不行的...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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985 views

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calculate the age from a column in a bigquery table

i would like to calculate the age of users from a column (YOB) which contain only the year of birthday ? i've tried ... X - YOB from dataset.table; Could you help please ? Thanks!...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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772 views

1 answer

bing 首页布局如何实现？滚动吸顶。顶部含有背景图，下面滚动内容不显露。

网址： https://cn.bing.com/?FORM=BEHPTB&ensearch=1...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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513 views

1 answer

powershell - Get LastAccessTime for each subfolders in a csv folder list

I have a csv ($HomeDir) file like this: Users,Comments,HomeDir user1,account1,c:folder1 user2,account2,c:folder2 user3, ... " "user3","c:folder3Sub3c","20201011" Thanks in advance...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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525 views

1 answer

请教一个关于数据库操作函数 await promise同步的问题？

请教一个关于数据库操作进行同步问题问题的背景是要作一系列用户登陆操作，希望能达到根据用户 openID检索用户数据库，有则用库中的用户个人信息初始化接下来的函数，没有则要填入一个基本信息字段后，新增这个用户很显然这里的数据库访问 ... 码都没能达到预期效果，输出始终不同步请问我的3种实现方式，主要问题在哪里，应该怎样正确实现同步？项目配置如下...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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448 views

1 answer

DolphinDB节点启动时初始化失败

我在启动DolphinDB database时出错，错误信息如下， <ERROR>:Failed to unmarshall the job [schedulejob1]. Failed to deserialize assign statement.. ... doJob,15:00m, 2020.04.01, 2020.12.31, 'D')...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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264 views

1 answer

python - Mysql database problem with django and vscode

!'m working on creating website with tools like vs code, django, mysql(using macos). I was trying to connect my ... have some sugestion to solve this problem? Thanks for the help!...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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433 views

1 answer

idea输入中文时会乱码，试了很多方法都不行？

idea在输入的过程中（编辑时System.out.println("……")）输入中文会直接乱码，网上各种方法全试过了，改application、Editor、两个文件什么的，但是依旧乱码，新建项目也乱码、重启也乱码……请求大神们帮助！...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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500 views

1 answer

nginx配置问题为什么加上www跳转不过去呢？

输入domain.top可以跳转到https://domain.top 但是输入www.domain.top却跳转不到https://domain.top怎么办？这个应该怎么配置呢？就是想统一跳转 ... /www/html/domain'; root $root_path; index index.php index.html index.htm; }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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555 views

1 answer

netty中的 SimpleChannelInboundHandler<>，后面尖括号的类型应该怎么确定?

最近在学习Netty，在官网上找到netty实现websocket的例子，链接：https://netty.io/4.1/xref/io/... 在代码中，服务端Initializer添加的channelHandle有6个入站handler public class ... 个入站事件，那平常我写的时候应该怎么判断入站事件使用的什么类型数据？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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244 views

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c语言EXC_BAD_ACCESS (code=2, address=0x102a3bf74)

我的代码如下 #include <stdio.h> #include <string.h> void permutation(char str[], int len, int cur) { if (cur == len - 1) { printf("%s ... [i]这里报EXC_BAD_ACCESS ，但是我又不知道问题出在哪还请各位大佬帮忙看看 ...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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470 views

1 answer

评论功能前后端工作流程是啥？

评论功能是把数据发后端后，直接把要发的数据本地渲染到dom，还是发送后等后端返回新增的评论数据后再渲染到dom...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

188 views

1 answer

Form Validation with JavaScript, only one of the inputs works

I am trying to implement a custom validation for the form, however only one of my inputs actually work. What's more, the function, ... (i); } } }); The form itself looks like this:...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

270 views

1 answer

SQLSERVER 内部操作期间检测到不一致性

昨天晚上一个客户现场的服务器蓝屏，联想的服务器，使用了RAID0,做硬盘备份将硬盘拆出，单独挂上一个硬盘将数据库文件（xxx.mdf 和 xxx.ldf）拷贝出来并且挂载到一个备用服务器上结果有个报表打开就显示内部操作期间检测到不一致性 ... 后恢复为多用户模式，再次开启软件是一样的错误求教这问题要如何解决，上面这样操作没有效果表示数据没法修复了？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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287 views

1 answer

一次数据更新shouldComponentUpdate却执行两次？

父组件 import React from 'react' import Child from './Child' export default class Life extends React. ... 钮，有两次shouldComponentUpdate，componentWillUpdate和componentDidUpdate却只有一次是什么原因？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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192 views

1 answer

C++问题指针问题

*(int *)a=&b 这里的(int*)是强制转换？为啥外面还有个*...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

213 views

1 answer

base64转blob为什么要去掉base64中的后两位

以下是网上抄的代码 function dataURLtoBlob(dataurl) { const arr = dataurl.split(','); //注意base64的最后面中括号和引号是不转译的 const _arr = arr[1].substring(0, arr ... 而是不确定的两位字符. 已知遇到过的情况有: "==" "I=" "CC"...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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215 views

1 answer

echarts和t的使用

比如这两个，我想定义类型，在ts中怎么弄呢...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

307 views

1 answer

超算相对于云数据中心到底快在哪里？

我已经知道：（1）超算是由许多节点组成（跟云数据中心一样）（2）每个超算节点中并没有很多cpu，比如天河二号每节点一个cpu，每节点一个操作系统，只是两个节点共用一个主板（跟云数据中心差别不大，没有明显的性能提升作用）（3）各个超算 ... 做到云数据中心采用相应技术或使用方式之后，超算在原理上的并没有性能优势那超算在原理上，到底快在哪里呢？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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