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python - ValueError: could not convert string to float: '2.283.00 - 5.331.00'

I'm creating a program 'Build A Python App That Tracks Amazon Prices!' but when I run the program it gives ValueError: ... print("Email has been sent!") server.quit() check_price()...

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

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python - PYINSTALLER FAILED TO EXECUTE SCRIPT (used pynput)

Recently, I have installed pyinstaller 4.2. This is the error I get after running the script from cmd: Traceback (most ... error actually is. Can anyone pls help me? Thank you....

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

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javafx - Using custom classes in FXML without packages

There are several other question regarding this topic, but they all use files placed in packages unlike mine. I ... fxml.FXMLLoader.importClass(FXMLLoader.java:2846) ... 20 more...

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

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django url 传入参数带有空格怎么处理？

请问，我在django里，传递到url的参数带有空格，因为url写的是根据产品的title来判断页面譬如说一个产品title叫做 small green bike 传递参数进去 www.xx.com/samll green bike. 虽然页面打得开页 ... 觉这样好像很不科学，又多此一举，应该有更好的方法吧？自学django中，好多不明白谢谢 ...

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

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visual studio - c# DataGridView detect MouseDown event on the scroll bar?

I have code that frequently updates the contents of my DataGridView, by clearing the previous contents, and then re- ... need to detect the MouseDown event on the scroll bar....

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

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使用 listView，但是在通过 adapter将数据存进去时，app 发生闪退？

MainActivity 如下： package cn.han.listview01; import android.app.Activity; import android.os.Bundle; import android.widget.ArrayAdapter; import ... item的 xml 布局的嘛，有谁知道这个怎么回事吗？...

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

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c++ - C ++ string stream issue: getline doesn't work with stringstream

I wrote a program that takes a file and reads it into a stringstream field in a class, and now I'm trying to interact ... they give an error or are not executed at all. Thank you....

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

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How to listen to events which defined on the host of the angular custom structural directive

I have a custom structural directive with event binding on it <button *columnsBox="let box template 'alerts'" (click)=" ... which could be bind here. How can I solve this? Thanks...

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

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webpack打包jsx成nw.js目标文件，为何无法正常执行？

webpack.config.js如下： /** * Created by shijinyu on 2017/3/3. */ const path = require("path") const StringReplacePlugin = require('string- ... 正常，但显然项目已经用了react不可能移除，请问我应该怎么处理？...

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

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nodejs 如何同步执行某些模块函数?

我有几个模块，需要这几个模块同步执行，现在时异步执行整个流程的功能为解压文件并重命名解压后的文件以下为示例代码，需要注意的是代码的结构不能改变谢谢大家的帮助！ var mods = [];//模块集合 ... options); }); 我尝试过 q, Step, async.series 等，均无法解决我的问题，请 nodejs 大神们给个好的方案 ...

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

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实际项目中Activity传递数据最佳实践是？

有个代码优化的问题，假设现在项目有4个Activity依次跳转：A》B》C》D 有一些公共数据 B，C，D都需要，是用Intent依次传递，还是直接写成public static，或者更好的方法？现在D界面进行了一些操作，希望返回到A时（注意：不是D直接跳到A，而是D，C，B回退到A）刷新界面。除了用标志位，更优的方法是？来，畅所欲言吧...

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

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php - Symfony 3.4 LiipThemeBundle loads desktop template for phone

I have installed Liip Theme Bundle on my Symfony 3.4.47 project. Its directory structure has the mobile template that should ... .html.twig {% extends '@App//layout.html.twig' %}...

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

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python - For a REST API, can I use authentication mechanism provided by flask-login or do I explicitly have to use token based authentication like JWT?

Specifications: I am writing a desktop application in Python using PyQt5. My application communicates to the remote database ... secure in any sense than a token-based system?...

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

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docker - how to pass environment variable to dockerfile

how to pass kaps-service as a environment variable to my dockerfile file.txt:- Match $Match name prod dockerfile:- FROM image ... the docker container ? is there a way to do it ?...

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

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请问这种情况下怎样把子组件定义的属性传递回父组件？

这是我定义的组件代码，目的是为了能够把选中的值放到文本框input里，同时要能够把选中的当前数据的id获取到请问我要怎样在引用的地方中获取到这个wareId var ... .value = ware.id this.setState({wareData:ware,show:false,wareId:e.target.value}) } })...

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

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微信开发遇到一个 bug。。access_token 有关的

通过微信提供的上传下载多媒体文件文档的下载文件功能时候从中控缓存 (单例模式把 access_token 存在内存中每次用的时候去计算是否到期去刷新)中取 access_token 和从手机的上传图片后的得到 ... 了如果说 access_token 过期了应该不管怎么刷新的也不行的啊，，还是access_token刷新机制就是这样的 ...

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

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关于分散对齐的兼容问题

width: 60px; text-align: justify; display: inline-block; text-align-last: justify; 在谷歌里边显示的是分散对齐，但在火狐里边不起作用，是怎么回事啊？前面的是谷歌的，后边的是火狐的。...

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

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html - How can I get form values by loops in PHP

How can I get only the test# inputs without the email and password by <form method="get"> <input type="email" ... /button> </form> I tried foreach but it gets all values...

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

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nodejs和前端JavaScript 字符串处理结果不一样是什么原因？

mac系统 utf16le文件 aaa.txt: 1 a 2 b 3 c d 4 e 5 f 6 g node 代码 fs.readFile(__dirname+'/aaa.txt','utf16le',function (err,data) ... ); console.log(sss.length);//结果是6！！！实在是不接，是文件系统的原因吗？...

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

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python - Better way to timestamp a file write

I have a piece of code that is writing pressure data to a file. Because the data doesn't have a ... The output looks like this: 1609421246.922448 Pressure: 1008.2004978712436...

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

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javascript - Reach Understanding Higher Order Component syntax

I am trying to understand the basic syntax of a React HOC. Consider below example; //WithLoading.js import React from ... isLoading={this.state.loading} repos={this.state.repos} />...

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

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javascript - Maping in scrollview makes horizontal list vertical in React Native

I have two queries actually. I am using ScrollView in my app. The list shows horizontal when i give static images in scrollview ... height: 80}} /> </ScrollView> </View> </View>...

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

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python - Export Regression Output

How do you export the Stargazer Python regression output to a HTML file, PDF or png ... .com/mwburke/stargazer/blob/9ee4c40bee45a689b209ea7b21b2bcbc3d036356/README.md#latex-example...

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

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python - I want to separate numbers whose last digits is same

I defined a function by: input : two numbers l,k output: the number k in base l Code def base(k,l): result='' ... these values in an array as I want to have very large iterations....

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

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upload_url for GitHub's upload-release-asset action when the trigger is a release?

I am trying to create a GitHub Action that is triggered when a release is published and will build my project and upload ... 1, v0.2.0 etc and the release name matches these....

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

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关于前端框架avalonjs的问题

1.请先看图跟说明我想实现的是当我打开 http://www.baidu.con/#router1的时候，只加载 router1 里的数据，我是这么写的，看代码 var routes = { '/routes1': showAuthorInfo, '/ ... }); }; 这样可以成功返回result，但是页面没有渲染，第一次用框架，还请指教，谢谢...

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

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javascript - SyntaxError: function statements require a function name

This is my code where I am using Node express and EJS to make a To-do list website. Here I am exporting the ... the course and still getting this error. Here is the error message:...

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

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Pyspark - issue reading excel data with - "useHeader," "false"

I'm trying to read some excel data into Pyspark Dataframe. I'm using the library: 'com.crealytics:spark-excel_2.11: ... 11.1 excel_false.py Can someone please help with a solution?...

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

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