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怎么设置html5 datalist点击事件 <input type="text" list="country" /> <datalist id="country"> <option value="Afghanistan"> < ... <option value="Andorra"> <option value="Angola"> </datalist>...

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

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376 views

1 answer

eclipse自由折叠代码

如何实现？...

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

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356 views

1 answer

webStorm2017在打开页面的时候，会自动的在后面添加?_ijt=k2ve94fcarcv3mgfvhmvue09hm

webStorm2017在打开页面的时候，会自动的在后面添加?_ijt=k2ve94fcarcv3mgfvhmvue09hm这么一条信息，如何将？后面的内容给清除掉呢？谢谢。。。...

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

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383 views

1 answer

sqlmap测试多参数链接时遇到问题，只能测试第一个参数？

我用sqlmap运行如下语句：sqlmap.py -u http://xxx.xxx.com/more.asp?b... 结果只能测试bkid参数，后面的mytype参数无法测试提示'mytype' 不是内部或外部命令，也不是可运行的程序求问这是为什么？...

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

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558 views

1 answer

I allow only one hyphen (-) in regex

I have a text box where i get the last name of user. How do I allow only one hyphen (-) in a regular expression? ^([a-z A-Z]*-){1}[a-z A-Z]*$...

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

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279 views

1 answer

定时器中变量赋值的问题

var a=0; var timer=setTimeout(function(){ a++; },1000); if(a>0){ alert("1"); } 这段代码中a的值我明明在定时器里改变了,为啥输出的还是0? 应该怎么写才能让这个弹窗弹出来呢?(在让判断生效的基础上.)...

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

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578 views

1 answer

weex demo用安卓扫一片空白，用IOS扫没有问题

run debug 出现下面警告，其他地方没报错...

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

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355 views

1 answer

运行django的时候出现这个django.core.exceptions.ValidationError

各位大虾好！小弟在编辑django的model.py的时候，不小心把一个字段类型给复制错了： rdc_mysql = models.DateField(verbose_name='数据库版本',max_length=50,blank=True ... format. It must be in YYYY-MM-DD format."] 请问我还需要做什么？...

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

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295 views

1 answer

mysql - Cosmos DB : Faster Search Options

We have huge cosmosDB container with billions of rows and almost 300 columns. Data is partitioned and modeled in a way we ... be used? Let me know your thoughts. Thanks in advance!...

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

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261 views

1 answer

php登录注册功能

之前的fatal error问题解决了是数据库有问题，但是无论输入什么总是直接跳到这个页面。。。按理来说应该不会跳转登录成功页面啊。。？下面是DB.php。下面是login.php。...

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

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338 views

1 answer

python 3.x - Adding a emoji reaction to command line in discord

I want the bot reacting to my command line. For example: -suggest suggestion < i want to add a thumb up emoji to ... ("Thank you for your suggestion {}".format(ctx.author.mention)...

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

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593 views

1 answer

vue-cli构建项目，在app.vue里面调用一个组件时报错，但在子页面当中却没问题，什么原因？

我用vue-cli构建了一个项目，只有在app.vue里调用组件时就报错，但在子页面当中却能正常调用，到底是什么原因？下面是错误报告： ERROR in ./~/babel-loader/lib!./~/ ... :'asd',href:'#'} ] } }, components:{ 'nav-list':navList } } </script>...

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

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455 views

1 answer

sql - Why is MySQL not properly naming my foreign key?

Please consider the following SQL code that I run in MySQL 8.0.22 (in an InnoDB database): CREATE TABLE `person` ( ` ... ALTER TABLE command? How can I get it to be named so?...

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

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375 views

1 answer

这个格式化要求我用什么插件或者配置实现

代码是vue的代码这里data后面要接空格的改成data () { 怎么实现右击格式化代码按我的这个要求格式化他...

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

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636 views

1 answer

routes - How to include my new page on routeserverprovide

I wont to make a new page and link it with my home page but it must be provide how can I include it...

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

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301 views

1 answer

angularjs2 中 EventEmitter 的方法emit()里面传参数是做什么的

angularjs2 中 EventEmitter 的方法emit()里面传参数是做什么的...

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

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279 views

1 answer

android - onDraw method is not drawing

i am working on application in which my ondraw method is not working properly. I checked similar questions but i didnt ... 0,cellSize*r,getWidth(),cellSize*r,boardColorPaint); } }...

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

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180 views

1 answer

python - Creating sliders using pygame

I am creating a covid simulator and am using sliders to allow the user to adjust the figures such as the amount of people that ... , 400, 10, 10)) Thanks for any help in advance....

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

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250 views

1 answer

encryption - Java Decryption creating additional symbols

I'm writing a encryption and decryption code as follows import java.io.*; import java.security. ... Any suggestions will be really helpful thanks in advance...

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

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195 views

1 answer

How to read multi index dataframe in python

Here is my dataframe which called df University Subject Colour Melb Math Red English Blue Sydney Math Green Arts Yellow English ... and a third for the Colour How to do that?...

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

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728 views

1 answer

php - How to save drag moves into database

happy new year!!! <!DOCTYPE html> <html> <head> <style> html, body { margin: 0; } table { border-collapse: ... in will remember "saved" the moves I did. Thanks in advance....

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

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1.2k views

1 answer

golang channal问题请教

package main import ( "fmt" ) func main() { resultChan := make(chan int) for i := 1; i <= 10; i++ { go func(resultChan ... //问题？如何将resultChan中的值全部收集到res变量中？？？ fmt.Println(res) }...

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

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286 views

1 answer

javascript - React-Native: State changes affecting view only on next action/rerender?

I have a component where user can add items to their shopping cart, next to each item it shows either a ... to return JSX instead of conditional rendering inside JSX itself?...

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

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1.1k views

1 answer

javascript - How to mock document.location.href in react jest unit test

I have a simple redux action creator that sets the document.location.href = "/signin" My action creator looks like ... pass and also make sure the above exception is not thrown...

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

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626 views

1 answer

vscode突然出现问题，打不开了，请问一下怎么样才能把我现在的配置和插件备份起来呢？

点击重新打开出来的还是这个界面...

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

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234 views

1 answer

c++ - How to iterate over several objects passed by reference?

Let's say we have this function, where vec1 and vec2 store the same kind of data: int myFunc(vector& vec1, vector& ... do the same thing to vec1 and vec2 without duplicating code?...

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

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1.2k views

1 answer

need advice with passing a javascript value into html format so i can show a grade screen of correct answers instead of 'document.write'

below is the code for the check function that will store the value of the 'c' variable and the document.write ... Torvalds Kohsuke Kawaguchi previous Back to Question 1 {{/each}}...

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

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253 views

1 answer

c# - How can acces ClaimsIdentity on Logic Layer

I want to move this service to logic for using on everywhere, but i can't successful because it was coming from ... claimsIdentity) What should I do to refactor the logic layer?...

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

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