Recent questions in Technique[技术]

0 votes

960 views

1 answer

javascript - How to check two conditions in filter?

I have an array, const array = [ { name: G1, male: true, female: false }, { name: G2, male: false, female: true }] ... : Male === true or just Male As for G1, only Male is true!...

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

0 votes

1.5k views

1 answer

python - Atom Editor is not working on my computer, How can I resolve this to start programming

I opened the atom to write python code after a long time but it is showing like this I have uninstalled and re- ... the method so that it works. PYCharm is also not working...

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

0 votes

1.4k views

1 answer

求个正则表达式？

一个字符串每个字符之间都有一个空格（长度为9），第一位是数字，第三位是数字，第五位第七位是星号，第九位是问号，求一个正则表达式 eg：...

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

0 votes

1.9k views

1 answer

excel - SQL Group Data within the date difference of 90 seconds

I have sample data like Element Time Stamp A 21/12/2020 06:10:56 B 21/12/2020 06:05:27 B 21/12/2020 06:06:10 A 21/12/2020 ... 06:05:27 A 21/12/2020 06:06:20 A 21/12/2020 06:12:30...

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

0 votes

1.8k views

1 answer

python - Print the minimum number of moves required such that all the elements are equal to minimum element

In one move we can make it equal to the 2nd maximum element and have to make all elements equal to the minimum element. My code ... 5 4 5 5 2 4 6 Here minimum moves required is 6...

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

0 votes

1.9k views

1 answer

Google Apps Script to open password-protected Excel?

Is there a way for Google Apps Script to open a password-protected Excel file if the password is supplied when getting the ... a gapi.client.drive.files.get() or a similar method?...

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

0 votes

1.7k views

1 answer

Getting error while reading a property after calling a rest service from Angular

I am new to Angular and working on a mock application. I am trying to call a rest service and then reading a property from the ... with Id : ${this.hero.id} is selected`); } }...

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

0 votes

2.0k views

1 answer

mysql如何插入一个数组？（nodejs + vue）

表结构是这样的：这两个字段存的是数组数据前端每次发请求前都要转为string // 数组=>string（前端代码） this.ruleForm.contact = JSON.stringify(this.ruleForm.contact); this.ruleForm ... 换如果不转换的话sql就会报错感觉这样来回转换好麻烦，有好的解决方法么？...

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

0 votes

2.0k views

1 answer

python manage.py db migrate 问题

执行python manage.py db migrate的时候，加上Performing_word_label 这个表然后又把他删了，这是为什么呢...

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

0 votes

1.7k views

1 answer

逻辑习题: The Science of Programming, David Gries 第二章习题七答案有一句话看不懂

请问:原书解答中 This adds m propositions {E}i at the main level.到底啥意思?(见附件中划红线那句) 这使得主层增加了m个{E}i.(按我理解,应该是一次操作增加了k个啊.) 这使得主层由m个g组成的{E}i的个数增加了.(难道是这个意思?)...

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

0 votes

2.3k views

1 answer

element-ui table树形表格，数据设置了懒加载和默认展开后，展开数据没有加载出来

参阅element的文档，设置默认展开项就是expand-row-keys,但是设置了以后点开弹框时树形表格得图标看上去是展开了，但是children没有加载出来的样子，还是需 ... val) { let valtostring = val.toString() this.defaultExpandKeys.push(valtostring) } } },...

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

0 votes

2.3k views

1 answer

Using wdContentControlCheckBox in Word 2016

I recorded a Word macro which inserts a checkbox. The checkbox gets inserted, but the text does not. Why? fwiw I'm ... =wdCharacter, Count:=2 Selection.TypeText Text:=" z" End Sub...

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

0 votes

9.3k views

1 answer

php - Renumbered from n to 1 in ajax

I am developing a prestashop module to position products in a brand. I created a table with id_product - position and ... idea of ??the problem. Thank you for your help....

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

0 votes

2.1k views

1 answer

jquery - Javascript Catch Special Characters on Paste, specifically TAB

I am trying to only allow ASCII characters for my input fields. The test Fiddle seems to not know what to do ... occcurance of ASCII characters 0x00 to 0x19 with a single space?...

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

0 votes

2.0k views

1 answer

Show a floating layout on top of a fragment in android

I have screen with Bottom Navigation View. Now the middle button of the Bottom Navigation view should display a ... "0dp" android:layout_weight="7" android:gravity="center">...

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

0 votes

2.6k views

1 answer

antd 表格拖拽排序问题

antd 表格带有children 的树形表格，无法排序，官网demo 例子不支持且文档不说明，请问下大家有什么好的解决办法吗？...

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

0 votes

2.9k views

1 answer

vue3对应的vue-template-compiler版本

vue-template-compiler最新版本的2.6.12，编译vue2的，编译vue3用哪个版本的...

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

0 votes

2.6k views

1 answer

算法：关于哈希表中开放寻址法的疑问

橙色代表已插入数据的位置，黄色代表未插入数据的位置将 x 进行哈希计算，得知 x 需插入位置 7，但位置 7 已被占用，故通过线性探测查找到位置 2 未被占用，故插入位置 2 但在查找数据时，将 x 进行哈希计算仍会得到 7，但我之前的数据不是插在 7，而是插在 2，这样找到的不就不是我之前插入的数据了么？没想明白，请教大佬...

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

0 votes

2.5k views

1 answer

ssrs 2012 - SQL - Returning the Top two Results for Each Match

I have a situation where we record every change to a column of a member record in the MEMBER table as a separate row. ... 9101 status Frozen 10/15/2020 9101 status Active 1/1/2020...

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

0 votes

3.1k views

1 answer

python - json_normalize "activity" column in dataframe made whit "historical locations" from google

I'm trying to use json_normalize in a column containing my activity imformation, download from Google takeout. This is the ... I would be very grateful if someone can help me!...

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

0 votes

2.7k views

1 answer

c# - How to check null on passed PowerShell argument

Below is the C# code where I am creating this powershell cmdlt which has two argument MaxAge and ... |Set-Content -Path $TokenFilePath $recs = $recordings.Recordings...

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

0 votes

2.7k views

1 answer

CObobox能中英文切换绑定不了xaml资源（.cs 文件添加的， list.Add(

你好，MainWindow.xaml public MainWindow() { InitializeComponent(); _currentLan = "ZH"; List<MyCOMBOX> list = new List<MyCOMBOX>(); list.Add(new ... 也能实现CObobox中英文切换，有什么方法吗？多谢各位大神指教 ...

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

0 votes

2.9k views

1 answer

Flutter 有的函数的参数为什么为常量？

例如： BorderSide BorderSide({ Color color = const Color(0xFF000000), double width = 1.0, BorderStyle style = BorderStyle.solid }) BorderSide 这个 ... 是 const; const 声明的值不是常量么，这样写的意义是什么...

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

0 votes

2.9k views

1 answer

python - Is there a quicker way to filter a Pandas data frame based on the number of recurring values?

Currently I am using the following function; df['i'] = df.groupby(['i']).filter(lambda i: len(i) > 500) ... group can be to 250 allowed the program to execute within 30 seconds....

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

0 votes

3.0k views

1 answer

javascript - Change async/await to Promise

I would like to change the following async/await code const mongoose = require('mongoose') const supertest = require(' ... solve it correctly and I keep getting an error message:...

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

0 votes

3.1k views

1 answer

Cannot redefine property: a at Function.defineProperty?

这段代码会提示错误VM151:2 Uncaught TypeError: Cannot redefine property: a at Function.defineProperty,为什么不是输出a,b,c? let value = "a"; ... c"; } return result; }, }); console.log(a,a,a);...

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

0 votes

2.6k views

1 answer

python - Using string formatting on JSON objects parsed as strings

How do you use string formatting on a json string or other strings that have brackets? This, you would work ... } '''.format(clientToken = clientToken, accessToken = accessToken)...

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

0 votes

2.1k views

1 answer

H5页面如何隐藏video 原本的 control

html <video ref="myVideo" webkit-playsinline playsinline :src="videoUrl" :poster="poster" style="width: 100%; height: 100%" > </video> js ... 无效的, 所以猜想是否要先隐藏了原本的control, 覆盖才会生效...

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

Categories

Just Browsing Browsing

Most popular tags