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Redirected when going from "x" to "y" via a navigation guard

需求：进入Mine页面前，判断用户是否登录，若登录，则直接进入该页面，否则进入Login进行登录，登录成功后跳转到Mine页面 Mine里面的代码： Login里面的部分代码：当我在Login组件登录成功时 ... =%2Fmine" to "/mine" via a navigation guard. 找了很久也没找到问题在在哪，求指导！十分感谢!...

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

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homebrew - macos big sur - brew install python@2 doesnt work after uninstall python@2

after I tried to uninstall python 2.7 % brew uninstall python@2 I cannot reinstall back python 2.7 on my mac (big ... reinstall python 2.7 or say reinstate it if its unlinked ?...

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

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459 views

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maven - Error: Could not find or load main class discord.java.bot.JavaDiscordBot

I am creating a Discord Server Bot and when I build and execute jar file it says Error C:Users[user.name] ... ------- C:Users[user.name]IdeaProjectsJava-Discord-Bot>...

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

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idea maven插件启动tomcat找不到模块名称

project中有两个web模块，但每次右击执行的时候到不到对应的模块名称，导致无法用插件启动两个web模块小白第一次启动多个模块，恳请您的帮助...

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

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563 views

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如何在不同环境（开发、测试、生产等）打开不同URL

就目前有个需求，听意思大概是有一个按钮，点击后在开发测试生产环境需要分别执行 // 开发 window.open(URL1) // 测试 window.open(URL2) // 生产 window.open(URL3) 之前在接口 ... 不了 process ，显示的是 undefined 然后我就没招了提问一下有什么办法能够解决这个问题...

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

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react native - useState array not updated when invoking function from another screen

I'm trying to add items to an array saved as a local state (using useState) through a function that is sent to ... added before returning to ScreenA is really added to the array....

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

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python - How to apply re.sub() with exceptions

I'm trying to program a vocabulary game. I am using a regular expression to hide my word, which I have to guess ... characters to _ except the patterns to and sth and smb?...

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

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396 views

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Test upload file with laravel 8, assertExists not working

I'm testing upload the files with laravel 8. My Controller public function store(Request $request) { $path = $request-> ... asserting that false is true. Where am I going wrong?...

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

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608 views

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通过el-upload上传excel文件，后端(nodejs,koa)如何接收这个文件

使用element的el-upload组件上传xlsx文件，后端如何接收这个文件啊，请赐教服务端是nodejs+koa，el-upload用的是默认action 服务端打印如下...

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

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network programming - 3rd party library for Qt QNetworkConfiguration and QNetworkConfigurationManager classes

Our dev environment: OS: Windows 10 and Mac OS latest Qt: 5.15.2 QNetworkConfiguatoin and QNetworkConfiguratoinManager, ... to have a library supported for both the platform....

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

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remove selected option from drop down list in angular

I have a page where dropdown list of items is coming. The list is array of object. I want to remove that object from ... item from list of array. But it is not working as expected....

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

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293 views

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Nuxt.js 中如何配置eventHub？

通常我们这样在main.js中配置eventHub export default { name: "App", data() { return { eventHub: new Vue() }; }, provide() { return { eventHub: ... 的效果呢？请大佬们解疑~ 个人基本思路是通过plugins，但是具体怎么实现呢？...

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

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435 views

1 answer

支付宝查询预订单验签返回fasle? 但是回调显示的true?

AlipayTradeQueryResponse response = alipayClient.execute(request); **HashMap hashMap = Faster.parseJson(response.getBody(), HashMap.class); ? ... ")); System.out.println("验签:"+v1);...

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

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class - How can I access an enum member with an input in python

I am trying to access the value of the enum variables with an input. Here is my code: class Animals(Enum): Dog = 1 ... input Dog it would give 1 (the value of the Dog variable)?...

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

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321 views

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typescript中类型不同的问题

按照官方上面的使用方法在koa中引入了koa-generic-session和koa-redis两个库然而我在使用typescript的时候会出现类型不兼容的错误 store为SessionStore类 redisStore返回的为RedisSessionStore类初学typescript 想问一下出现这种情况的话应该怎么解决...

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

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用浏览器可以打开，postman不能访问

https://www.toutiao.com/api/s... 上面这个链接浏览器可以打开，postman及代码都抓不到，请问是什么原因？postman返回的数据data是空的...

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

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1.4k views

1 answer

node 中 express 库如何设置 response 的 charset

有个歌词资源的字符编码有问题，utf8 和 BGK 两种。我通过 express 发送的时候编码都是 utf-8，很是头秃。我希望 charset 不显示或者 charset 可以设置为我自定义的。我使用了一些方法都不行。版本是 4.x res.charset res.set() res.setHeader()...

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

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148 views

1 answer

Wordpress shortcode - include_once cant find file in "includes" folder? php, mysql

The plugin "Shortcoder" in Wordpress doesent fint the included file? Anyone that knows how to find where the page with the embedded ... ?mta tid!</button> </div> </div> </form>...

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

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如何让webpack-chain合并原有配置

项目中用到了webpack-chain 因为可以方便的合并公共的开发配置等但是链式写法和Map，Set存在一定的学习成本，需求是如何让其他开发人员使用的时候简易化配置不用去专门看webpack- ... 者合并到原webpack-chain 】在chainWebpack函数内引入配置的json文件即可，而不用在chainWebpack中写链式配置 ...

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

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550 views

1 answer

正则表达式中字符放的位置不一致，匹配结果也不一致？

现象: '-' 字符在正则中位置不同，匹配的结果也不同(预期应该都能匹配上) 代码如下: 第一种位置: 匹配结果是false const reg = /^[w.-:u4e00-u9fa5]{1,128}$/g; reg.test( ... g; reg1.test('-'); // console: true 查了相关资料, 也没有涉及到字符位置顺序这一块的...

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

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446 views

1 answer

python 外星人入侵射击bug 当射中单数时会出现bug 但双数则不会每次都是在检测边缘的时候出现

代码如下 alien_invasion from settings import Settings from ship import Ship from alien import Alien import game_functions as gf from pygame.sprite import ... 谢谢啦第一次用思否有什么不对的地方望见谅...

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

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329 views

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Nginx server_name 未命中依旧能够访问进来的原因

为什么在没有找到匹配的server_name的情况下会访问 listen default_server 或者第一个server配置，还需要自己做一个404的返回判断如下，而不是自动的返回404 `server { listen ? ? ?80; server_name ?_; return 404; }`...

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

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1 answer

请问vue使用xlsx是否能实现导出日历格式的excel？

如题，考勤系统中有设置假日的功能，如果要将这些假日导出是否可以将excel做成日历格式，类似这样的...

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

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266 views

1 answer

win10下wireshark没抓到包

...

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

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400 views

1 answer

python PyQt5如何让窗口控件与窗口大小同步变化？

在下面的代码中 self.tableWidget.resize(self.width()-20,self.height()-20) self.tableWidget.move(10,20) 这两行没有起作用？不知为何？ ... ()) 下面的代码正常 self.account_lineEdit.resize(self.width()-60,widget_h)...

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

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149 views

1 answer

java如何给值做转换

取到json对象的area值后，这个value数组的下标为[0]的值前面加x，数组为的下标为[1]的值前面加y 如 "point": [ { "x": area[0], "y": area[1] }, { "x": area[0], ... .2 ], [ 0.5, 0.5 ], [ 0.2, 0.5 ] ], "Sectionnumber": 3 } ]...

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

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142 views

1 answer

memcached里面，重新set expire是什么效果？

memcached里面，重新set expire是什么效果？如果我第一次设置时expire为10S，第二次更新值时把expire更新为20秒，那么，这个expire是从第一次设置的时候开始算，还是在第二次更新的时候开始算？我的环境访问没有工具访问，不知道怎么验证，请有经验的人帮帮忙。...

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

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154 views

1 answer

vue+ts+element

感觉vue2配合ts看着好乱啊。是我打开的方式不对吗，你们怎么写的。欢迎贴图。...

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

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