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python 3.x - Why does it show me a sum of 0?

I just wrote a discord bot and used a function to show me the members of each guild the bot is in. That worked ... edit(name=f"??Servermember: {Member}") await asyncio.sleep(20)...

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

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206 views

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angular - How to pass input variable in structure directive?

There is a structure directive: @Directive({ selector: '[loading]', }) export class LoadingDirective { loadingFactory: ComponentFactory< ... : <span *loading="true size=20"></span>...

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

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545 views

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advanced custom fields - Is there a way to add different types of posts / events to the WordPress archive?

I have a project in WordPress and my goal is to create 7 pages, each page is a different sports category. on ... put me in the right direction. Stay safe and healthy everyone!...

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

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420 views

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IntelliJ IDEA如何打开包含几十个module的maven项目?

我有个项目有几十个子项目，需要IDEA一键打开，目前是可以打开，但是没有代码提示及跳转，只有一个一个module的导入，可是太多了，麻烦...

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

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487 views

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判断List<Set<String>>中set是否有交集有的话就取并集返回合并后的List<Set> 集合

java多个集合之间如果有交集就合并，然后返回合并后的list 现在有List<Set<String>> list 集合 Set<Integer> set1 = new HashSet<Integer>() {{ add(1); add(3); add ... 中最后期望返回的是合并后的List<newSet> 请大佬指教，有什么好的算法可以实现...

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

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200 views

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element 导入表格,将Excel表格导入我项目中的表格里。

现拿到一个Excel表格，要求我项目中加个导入按钮，将Excel的内容导入到数据库中。就是由前台导入Excel表格，批量加入到数据库中，后台获取批量数据。...

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

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643 views

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小程序调用wx.requestPayment发起微信支付，用户长时间停留在输入密码页面，多久会超时？

小程序调用wx.requestPayment发起微信支付，就会弹出输入密码的界面。如果用户长时间停留在输入密码页面，多久会超时导致支付失败？或者说，微信支付有没有超时机制？发起支付时，服务器端锁定库存，如果长时间不付款，实际库存可能没有了，导致后面付款了却没有库存。文档似乎没有提到这个...

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

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238 views

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How do I copy to the clipboard in JavaScript?

What is the best way to copy text to the clipboard (multi-browser)? I have tried: function copyToClipboard(text) { ... using Flash: How does Trello access the user's clipboard?...

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

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270 views

1 answer

如何在vue多重列表渲染里使用codePoinAt()

new Vue({ el:"#view", data:{ dj:['基阿萨大大','留个脚印','空间和萨'] } }) <p id="view" v-for="i in dj"> <a :href="['http:// ... //xxx/dict/57fa">基</a> <a href="http://xxx/dict/963f">阿</a> </p>...

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

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308 views

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thinkphp6.0.4 trace的sql日志为空

控制器代码 $r = Db::name("fund")->select()->toArray(); dump($r); .env APP_DEBUG = true [APP] DEFAULT_TIMEZONE = ... 3306 CHARSET = utf8 DEBUG = true [LANG] default_lang = zh-cn trace...

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

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395 views

1 answer

java - How to add a CodeBlock as part of MethodSpec's statement in Javapoet

I want to create a lambda expression like: // some code CompletableFuture.handle((s,t) -> { if(t != null){ //some ... is not working! Want help only for Lamda part. Any help !...

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

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588 views

1 answer

js ==比较类型转换的问题?

先跑一遍三个小题目, 是否符合自己的预期 0==[] ![]==[] '0'==[] 如果有大佬全答对,请解释一波 '0'==[] 这个是怎么做比较的; 另外附上能解释第1,2题目的文章 https://ostack.cn/a/11... 第三题实在不懂...求解释~~...

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

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651 views

1 answer

antd中Modal中的内容的滚动条无法用键盘上下左右控制？

modal中的的内容不能用键盘上下左右来控制，地址https://codesandbox.io/s/antd......

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

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495 views

1 answer

javascript中，Array在函数内外调用的区别是什么呢？

function iner() { let a = Array.call(this, arguments); console.log(a); } iner(3); let b = Array.call(this, 3); 像代码中这样，打印的结果如下这是为什么呢，this不都是window吗？...

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

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970 views

1 answer

react+ts 如何设置组件默认值？

react+ts 如何设置组件默认值？比说我的 width 当外面不传的时候想设置位100 ` import React, { Component } from 'react' import './card.scss' ... </div> {this.props.children} </div> ) } } export default Card `...

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

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578 views

1 answer

objective-c抛异常，导致内存泄露？

oc52方法，书中介绍：理解 Objective-C 错误模型很多语言都有异常处理机制，Objective-C也不例外 @throw OC里抛异常很可能会导致内存泄漏因为thorw，会导致一些对象没有释放但是这个APP就结束了虽然有些对象 ... ？整个手机内存是一个整体，一个APP内存泄露，会导致整个手机的内存泄露，除非关机重启可以解决？...

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

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593 views

1 answer

vue的seo问题

目前正在用vue开发一个房屋中介那种房产官网，类似链家那种，这种使用单页面应用呢还是多页面，因为说单页面做官网不利于seo，如果使用多页面，直接把router-link改为a href就行吗，求解用什么好...

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

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617 views

1 answer

c - fgets() goes newline when storing string but gets() no issue about newline

fseek(fPtr, 0, SEEK_END); fflush(stdin); printf(" ENTERID : "); fgets(user.id, ID_SIZE, stdin); fflush(stdin ... fgets() automatically enter a newline for each input of string....

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

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1.1k views

1 answer

nuxt2.x 开发环境在IE11下报“对象不支持“entries”属性或方法“错，请问下大家怎么解决呢？

对象不支持“entries”属性或方法有些页面又可以正常打开。...

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

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709 views

1 answer

vue如何实时监听sessionStorage的变化？

这个下载合同我会根据sessionStorage.contractDetail是否存在来判断他是否显示隐藏但是这个sessionStorage.contractDetail是根据接口来返回的，请求时间可能1-3秒，现在问 ... 刷新后检测sessionStorage.contractDetail存在为true所以显示）大佬们，有好的解决方案嘛？...

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

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559 views

1 answer

TP5的thinkphp文件夹只能浏览，不能调用

请各位大神帮我看看这是怎么搞的。刚下的tp5框架，thinkphp 5.0.24,复制到根目录新建几个空的文件夹，框架里面那个thinkphp文件夹在sublime里面就灰掉了，只能浏览但是不能调用。求解？ ps：换了一个版本5.0.22依然是同样的问题，tp3.2.3就没事。...

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

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930 views

1 answer

apache kafka - How can I use the full ksqldb client api with gradle?

How can I use the full ksqldb client api with gradle? Why are there 2 different packages? repositories { mavenCentral() ... guide, but I would like to use a build.gradle file...

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

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990 views

1 answer

SVG text doesn't render on Safari, but renders on Chrome

I have some and SVG component that has text in the center - this text renders perfectly fine on Chrome, but just doesn' ... middle" alignment-baseline="central"> 710 </text> </svg>...

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

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668 views

1 answer

为何Windows共享目录下一些子目录不显示？

主机A的一个目录dirA已设置为共享目录，主机B可以通过网络路径访问。但是dirA下的一个子目录dir1不显示在共享文件夹中。子目录dir1已经设置为共享目录。...

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

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如何优雅的取两个数组对象相同下标的不同值？

假设两个数组对象为 arr1: [{id: 1, name: 'a'}, {id: 2, name: 'b'}, {id: 3, name:'c'}], arr2: [{id: 1, name: 'a'}, {id: 2, name: 'c' ... .push(item) } } 得到的为空数组，也没有报错，不知道是什么原因，想请问各位有更简洁的方法吗？...

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

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800 views

1 answer

Determine Which Duplicate Images to Remove using Python Dictionary

I've written a script that identifies duplicate and near-duplicate images based on some criteria. The results are placed in a dictionary where ... 46], 45: [44, 46], 46: [44, 45]}...

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

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1.0k views

1 answer

vue的路由跳转问题

现在有个输入框，默认或为空的时候是历史搜索页面，输入的时候下面同时出现联想词，这两个还是搜索页面的子路由，我用的是@input时间，this.$router.push，这样就直接跳的是父页面，怎么只让子页面的路由跳转呢，还有放到@input里会不会太频繁跳转页面，输入一次就跳转一次### 问题描述...

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

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1.3k views

1 answer

Append result of CloudKit into array in swift

i declare the contact variable as an empty string array var contact = [String] () then I made a query to output ... self.present(alert, animated: true, completion: nil) return } }...

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

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