Recent questions in Technique[技术]

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Start python script on startup - python script runs after login on raspberry pi?

I would like to run a python script directly on startup of the raspberry pi. I can execute the script by calling /home ... script on boot (startup) without having to do a login?...

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

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python - Matplotlib and Dataframes: How do I put the Date on x-axis from the Date column in my dataframe?

I'm learning how to use MatPlotLib for the first time. I have a dataframe called "Temps" which has 3 columns: Date, ... the High and Low temps on the Date that they occurred on?...

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

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redis哨兵集群中多个master节点，数据怎么分配的???

比如在哨兵模式下，经典的三节点模式：一主二从，写操作都在主节点，然后从节点复制主节点数据提供读操作但是如果哨兵模式架构是多个主节点多个从节点，那么数据写入时是怎么判断它是往哪个主节点写入的呢？比如有三 ... ); 那么这个值到底写入了哪个master节点呢；还有就是读取redis.get("test")怎么判断这个key存在哪个salve节点的呢？...

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

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pine script - Assigning first candle previous color background

I have this simple code that shows the long term trend of price with the integration of a Bollinger Band to have an exclusion zone ... and (src < upper) ? #FFFF00 : na, transp=70)...

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

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360 views

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php - Exclude Add-ons in WooCommerce for Wordpress for specific categories

I'm using add-ons plugin in WooCommerce for Wordpress. https://woocommerce.com/products/product-add-ons/ This allows ... any help or pointers in the right direction. Thanks....

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

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542 views

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regex - Javascript: negative lookbehind equivalent?

Is there a way to achieve the equivalent of a negative lookbehind in javascript regular expressions? I need to match a string that does not ... 'm' in 'jim' or 'm', but not 'jam'...

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

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javascript - Problem on wordpress i can't post data in ajax on wordpress plugin

I am currently learning to use the wordpress CMS and I have a problem with the development of my plugin, I would need ... (); document.getElementById('search').value = ""; })...

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

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npm安装组件，请问这种情况是否属于安装成功？

初接触nodejs和npm，中间有一段err，但是最后又显示“All packages installed xxx”，这属于安装成功还是失败？...

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

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121 views

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sql server - SQL Modify Column name Case changes

I have a table with column name as Forgotpassword. I am facing issues in the c# code because the model is named ... . Is there any way to alter columns based on sensitiveness....

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

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306 views

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react hooks 搜索功能分页功能，有重复请求，帮忙指点指点。

import React, { useReducer, useEffect } from 'react' import { View, Text, hideLoading } from 'remax/wechat'; import { usePageEvent } from ' ... ="wave" /> </View> ) } </View> ); };...

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

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166 views

1 answer

html - Space between code base blocks in mail chimp newsletter

I have designing a mail chimp email template and somehow a space is breaking the layout. I haven't used any margin/ ... but gmail didn't accept margins in negative. Any solution ?...

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

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以下是什么语法？为什么可以实现类型转换

console.log(5..toString()); console.log(5 .toString()); console.log((5).toString());...

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

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487 views

1 answer

jquery - Compress PSD and AI files on client side (javascript) on uploading

I'm publishing posts (with PSD files), these files are very large in size, so I tried to compress them ... list.files; file_input_field.files = myFileList I appreciate you help!...

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

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371 views

1 answer

flutter - Radio choice appbar and staggered view

I am trying to combine the CupertinoRadioChoice with a staggered view with text in the images although it trows an error ... have different height in the tiles. Thanks for any help...

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

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755 views

1 answer

acumatica - Prepare Payments page not showing PayDate after adding a filter

I added a new filter to Prepare payment(AP503000). The filter works as expected. After testing I realized that the Pay Date( ... } else { yield return item; } } } #endregion } }...

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

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312 views

1 answer

How to get prebuilt sagemaker endpoint variant name in terraform

Need to get the prebuilt Sagemaker endpoint variant name in terraform for the autoscale policy. For example we can ... get the variant name by giving the sagemaker endpoint name?...

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

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556 views

1 answer

echarts 里tooltip的问题？

### 问题描述 ### 问题出现的环境背景及自己尝试过哪些方法 ### 相关代码粘贴代码文本（请勿用截图） ### 你期待的结果是什么？实际看到的错误信息又是什么？...

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

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1.0k views

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plsql - Nested Subquery in Oracle Apex 20.1 chart

for my chart in Oracle Apex 20.1 i want to implement a nested subquery where data shown depends on someones permission in ... how to solve this. Any help is appreciated. Thank you....

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

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206 views

1 answer

c++ - Cannot predetermine values for a vector

I'm using sublime text for C++ and, for some reason, I am not able to predetermine values for a vector. std::vector<int> v = {1,2,3,4,5 ... <int> v = {1,2,3,4,5}; ^ ~~~~~~~~~~~...

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

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177 views

1 answer

javascript - How to get logs of Cloud Functions from another cloud function?

I am trying to view logs that my cloud functions generate. Looking at the Firebase Documentation, there is a CLI ... can I put this command inside of another Cloud function?...

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

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1.0k views

1 answer

hdl - Implementing a Repetition error correcting code in Verilog

I want to use an FPGA to implement an error correction code but I'm running into some issues. I started ... combinational logic, I would appreciate any help regarding this issue....

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

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614 views

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docker volume 如何进行常态化备份？

我有一台机器，上面部署了 30 多个容器。有 mysql 等数据库软件，也有 php, go, python 等程序软件，请问备份有没有好的建议。主要是涉及高速读写(比如数据库，比如 Git 文件服务器)的备份方案。...

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

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451 views

1 answer

Flutter Container上下有间隙

很明显container内部上下有点空白，想让控件完全居上或者居底的话就没法实现，不知道到底是啥问题，有没有大神给个提示。...

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

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130 views

1 answer

js数组遍历问题

遍历tableData1中的每一项，item1中有子数组为chidren，给item1.children重新赋值了，为何最后return的item1中的children并没有改变...

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

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426 views

1 answer

为什么PHP生成的图片文字会多好几个像素点，还加上了灰色 PHP如何生成点阵

我原本的目的是绘制一个点阵图，最后得到的会是一串01组成的字符串，例如：这图是由01画出来的'PHP'，我用的是论坛大佬PHP 文字生成点阵图的方法，用点阵字体得到一个个点，然后拼凑出01，但问题是点阵字体稀少，我需要换个字体很难 ... 像素点都不是很标准所以想问下大佬这是什么原因，PHP生成图片能不能或的标志的文字像素点，如果不能只能用回方法一了 ...

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

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140 views

1 answer

table中的radio，怎么分开选择

for (var i = 0; i < td.length; i++) { dom += '<tr>' dom += '<td>' dom += '<span>同意</span>' dom += '<input id="CheckAll" name=" ... ... 这四个radio中只能选择一个，请问以行来分隔选，每行可以选一个呢，老哥应该懂我的意思...

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

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402 views

1 answer

怎么把echarts饼形图中的data数据循环？

echats中的数据模拟是这样排放的，我现在需要的这些数据是不固定的，我怎么把它给循环出来并存放进echarts的data中。这上面的数据只是模拟，我要循环后台给的城市数据，让echarts的data根据后端给的数据自动生成data里面的城市数量。数据大概是这样子：...

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

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513 views

1 answer

Python win32 获取句柄标签的 text 怎么失败呢？

这是源码，目的就是为了获取打开的txt 的文本内容，但是老是出不来，请问怎么改改呢？ import win32gui , win32con , win32api win = win32gui.FindWindow( ... 获取buffer print ( str_buffer[:size-1] ) print( 'text: ', str_buffer )...

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

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