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flask - Blueprint object has no attribute config

i keep getting this error when ever i try to run my flask web app AttributeError: 'Blueprint' object has no attribute ... .login") def login(): return render_template("login.html")...

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

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JSON in python discord.py

I'm learning to code discord bots and I'm trying to add a 'money' function that will add 'money' to the user 'account' ... 0} I would like it to write: {'299561981311057920': 10.0}...

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

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xcode - Is it possible to deploy xamarin.forms ios to iphone without apple developer accaunt?

I want to test my xamarin.forms application on my Iphone 11 pro witout Apple developer accaunt I try this but ... application that thrown an erorr he0004 resone image not found...

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

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hibernate - Exception handling in Spring Boot with JPA

I've made a class that is annotated with @ControllerAdvice to catch Exceptions. When I do ... getTime()); return accountabilityModelDAO.saveEducationModel(accountabilityModel); }...

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

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ggplot2 - Include facet_wrap in R line plot

I have the following code to plot a line graph: df %>% pivot_longer(-Client) %>% ggplot(aes(x=name,y=value,color=factor(Client),group= ... 0.01 5.50 7 10.68 1.08 0.07 0.16 0.20...

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

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c# - How to transfer faster Bluetooth data?

I am using Windows.Devices.Bluetooth library in the Windows forms. Communication between devices is fine, but too slow (I ... possible to speed it up? Thank you for your response!...

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

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libusb - Can't initialize ANT+ Node with Python OpenANT library

I've totally new in Python and also in the ANT+ technology. I wonder if that's not some basic problem, but I' ... and how to establish a simple handshake with my Garmin device.....

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

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arrays - How can I check whether a JavaScript object contains a value in it or not?

0:{date: "2021-1-9", views: 32109, clicks: 279, likes: 4391} 1: {date: "2021-1-10", views: 127568, ... print as false for the particular element which does not exist in the array....

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

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highcharts 3d饼图label显示不全怎么办

highcharts 3d饼图label显示不全怎么办图例上的悬浮效果要怎么屏蔽？...

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

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c - why my IUnknown release function block my child thread?

In my C application, I have a child thread that retrieve a IUnknown interface at beginning of his life : static struct ... ? (the punk iniatilisation can't be done in main thread)...

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

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java log4j 日志

我添加了jar 包我还没有调用lib 里面的日志api 怎么就打印了日志？这几打印了下面的日志很奇怪啊...

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

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flutter布局实现问题

我现在有个这样的布局，左侧是一片区域，右侧是一张图片，整体的高度是由右侧图片自适应后的高度撑起来的，请问如何让左侧区域的高度占满，也就是等同于图片自适应后的高度 ... constraints: BoxConstraints( minHeight: 150 ), child: Image.network('xxx', width: 100, ) ) ], )...

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

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c# - Respawn AI after destroy

I'm new, and I've got hard time to respawn my AI (right now he just a cube that follow my player) after he ... .Translate(toTarget * speed * Time.deltaTime); } } Thanks very much!...

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

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apache 无法更改端口号

在win10下使用apache，设置好了httpd.conf的SRVROOT, 将servername设置成localhost或者是localhost:8888之类的，listen参数也跟着一起设置，但是无论如何，都只能在localhost上看到"it works"，加任何端口号都没办法访问，不知道是哪里出了问题...

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

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DolphinDB在query的时候提示：分区数量超了

将2008.01.01至2020.10.20的股票信息文本文件（.csv）按照COMPO的分区方法创建了分布式数据库，成功导入到了DolphinDB中，如下图所示：在执行查询语句时，提示超过最大分区查询，如下图所示：请问应该如何处理？...

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

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java - Exclude JS (that itself calls urls) on WP pages

The following code makes several filter functions work on our website, and was written by a former dev. It triggers obnoxious ... on the pages we need it? Thanks for any clues!...

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

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小程序web-view接收的参数怎么存储？

需求是这样子的，小程序页面A点击按钮通过web-view页面B进入h5页面C，然后点击C里面的按钮跳往小程序另一个页面D。现在跳转没问题，从C跳到D时postMessage传过去的参数也打印出来了，但是我怎么在D里拿到并使用？打印出的数据是在页面B里通过options拿到的，怎么才能传到D里？ PS：因为传参很多，不考虑路由带参这个形式。...

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

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sqlite - Python sqlite3. Writing to a table from pandas read_csv results in error: Incomplete input

I'm running on Python 3.8 and have the following code: conn = sqlite3.connect('feedback.db') c = conn.cursor() ... have played with the date formats, sequence of fields, now lost....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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react + ssr的分页功能

本人小前端一枚，刚入职一个公司，负责官网，官网是react +ssr的项目，从来没做过ssr，不太懂seo 公司处于上升期很注重seo，需要推广，现在项目遇到了一个问题，有一个文章页面，有个分页功能，分页是url来做的，点击第二页，则是 ... 在前端了，为什么不用数据库来存放呢？对seo或者爬虫有什么影响吗？(重点：公司很需要seo，需要曝光，需要推广)...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.4k views

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C# Array Copy from Utils.CopyArray, my source code won't convert

I am currently using this in my C# code: numArray = (int[])Utils.CopyArray(numArray, new int[num3 + 1]); ... .ToString(PlayListGrid.Rows[j].Cells["TimeLengthSecs"].Value)); }...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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backpressure - What is Netty closing channel policy if client does read data and application keeps writing?

My application uses Netty 4.x with TCP sockets to distribute the same data to multiple clients. I want my application to ... it is not writable ? Thanks in advance for any advise....

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.3k views

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h5开发，$("#link").tap()为什么触发不了？console也没有报错

$('.recommendClick').off("tap"); $('.recommendClick').on("tap", function() { $("#input-box").val($(this).text()); $("#link").tap() });...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.2k views

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react中监听redux内容中值改变

小白求解，在使用react和redux中遇到一个问题，比如有两个同级组件Top和Bottom，Top可以录入一些搜索，然后点击搜索按钮，录入的数据存入store中，如果这个时候想要Bottom开始根据录入的内容查询应该怎么做，我目前用是在 ... 是这样的话，如果在Bottom中修改了store也会触发这个监听，大概是下图这样，求各位大佬指点！！！ ????...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.3k views

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关于数值相等判断的疑惑

变量a和b为double型 a - b == 0 a == b (a-b>=-1e-6) && (a-b<=1e-6) 这三个有什么区别呢？哪个会更好啊？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.9k views

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Maven Unable to parse configuration of mojo for parameter #

Did a maven build using a custom maven plugin. Got the following error: Unable to parse configuration of mojo < ... The pom.xml configuration section for the mojo looks normal....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.1k views

1 answer

visual studio code - Only show relevant intellisense suggestions in VSCode editor

This problem is difficult to explain. In the image below, how do I get VSCode to only show adjL? I only want suggestions ... shows a whole list of variables that I don't ever use....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.8k views

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vue-cli yarn install 报错.

yarn 版本：1.22.10 node版本：14.15.1 yarn install 的时候总是报这个错或者是 Command: node -e "try{require('./postinstall')}catch(e){}" 这个错误。。请问各位大神有谁遇到过的呀？怎么解决呀？用yarn做包管理就会出现上述错误，但是使用npm 做包管理就很正常...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

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typescript这样写为什么报错

正常代码可以看到a的类型但是这样a是自动获取的类型，我如果想提前声明a的类型，以下这样写就会报错，要怎么写呢？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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