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    I'm studying how to pass a function as an argument. I've encountered a problem where I tried to invoke a passed-in function which accepts multiple arguments. Code: ... : unsupported operand type(s) for +=: 'int' and 'tuple' Thanks again!...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I made a similar question : If condition is met, go 6 rows above and select the value in R and I received a very usefyl answer. Now I am trying to call instead ... is `lag(Hdwy, (1:6)) Any ideas? Should I use a different function instead?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    debug 发现,我的一个服务springcloud dubbo服务启动时,走到 post /nacos/v1/ns/instance接口,nacos返回500 弹出提示错误 但是用官方给的demo的就可以启动,可以把demo的在bootstrap.yaml改spring.application.name的值,demo服务就启动不起来...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    现在重定向的页面直接打开浏览器显示了,想用electron窗口打开...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to switch arrays of pug when the location changes, but I can't figure out how to use that. Pug Arrays: <template lang="pug"> - var activityListRu = [ { i ... else if (this.$root.$i18n.locale === 'en') { return activityListEn } }, },...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    为什么console.log(a[6])结果是f(){console.log(i)} ,而不是f(){console.log(6)} var a = []; for (var i = 0; i < 10; i++) { a[i] = function () { console.log(i); }; } a[6](); //10 console.log(a[6]); // function(){console.log(i)}...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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429 views
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    请问 各位大神 如何实现在线边编辑excel...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    有三张表 查询的结果里面需要包含一个项目有多少对应的case。三张表没有外键相连,没有外键表。 请问sql应该如何写,或者给点思路可以。...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    我嵌入的是html页面 <script type="text/javascript" src="//js.cdn.aliyun.dcloud.net.cn/dev/uni-app/uni.webview.0.1.52.js"></script> <script type="text/javascript" src=".. ... 报错 }); </script> 报错信息19:21:41.939 [ERROR] : Script error.filename:lineno:0...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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277 views
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    I've a go application that gets run periodically by a batch. Each run, it should read some prometheus metrics from a file, run its logic, update a ... Handle("/metrics", promhttp.Handler()) http.ListenAndServe("localhost:2112", nil) }...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Vue在组件销毁的方法里,执行到最后并没有把vm = null,这个vm上还是有很多东西,会一直存在内存吗/...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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241 views
1 answer
    My problem is that the Keyboard comes in front of the HTML text editor widget when the keyboard opens. I make the whole page scrollable when the keyboard opens. it works ... : false, showBottomToolbar: false, ) ), ], ), ); This is my code...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am creating a game similar to battle city in p5.Js using p5.play. and right now I am working on firing a bullet. I have made my sprite move using ... here is the link for the web editor: https://editor.p5js.org/somr_pel/sketches/ACXgrz0gk...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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222 views
1 answer
    linux如何批量创建多个指令逻辑内容档案? 我期望 somefunction {1..3}.txt --内容="{3} test" 系统会建立 1.txt,2.txt,3.txt 内容分别是 1 test,2 test,3 test 目前我的知识1 : 可以使用 touch {起始..结束}. ... 1..10}.txt [email protected]:~$ ls 10.txt 1.txt 2.txt 3.txt 4.txt 5.txt 6.txt 7.txt 8.txt 9.txt...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    已经设置宽度了, keybind.json里不会换 js里会换 "prettier.printWidth": 180, const store = createStore({ mutations: { increment(state)?{ state.count += 1;?}, incrementbypayload(state, ... .count;?}, setPostId(state, id)?{ state.currentPostId = id;?}, }, });...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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333 views
1 answer
    Have the following DF: parent_path child level table field absent_flag logic 2 dummy{}.map{} amap 3 table_input1 MAP_A 1 5 dummy{}.array[] b_array 3 ... cleanup to the string but is there more elegant way to extract "FROM_ARRAY_TABLE" ?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    I am trying to authenticate my Azure Web App with passport-azure-ad-oauth2 in Node JS using express I have tried to follow along with the documentation found here: ... 3000, function() { console.log("Server started on Port 3000"); });...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    In my project multiple IoT devices need to publish to a single topic and cloud functions listening to that topic need to process data published by IoT devices. ... 't sound right because in my project there can be thousands of IoT devices....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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323 views
1 answer
    Java中,譬如下面的用法 static Map<?, String> getTest(int i){ if(i == 1) { Map<Integer, String> m = new HashMap<>(); m.put(3, "three"); return m; } else { Map<String, String> m = new ... >(); m.put("3", "three"); return m; } } "?"用作返回值的参数类型,有没有什么隐患...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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408 views
1 answer
    别人推送了一个远程分支名a,我在本地的分支名也是a,推送到远程会覆盖别人的分支么...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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443 views
1 answer
    如何通过chrome浏览器的开发者工具的break on attributes modifications 来设置断点,快速定位到js或css代码的实现源码处. 具体例子如图下: 网址在这: https://www.cnblogs.com/summi... 想通过定位源码查看图中圈出的hover效果是怎么实现的. 当鼠标悬停到另外一个选项卡的时 ... 的断点.但是尝试了很多次,鼠标移动上去,并没有进入断点定位到js或者css代码处(压根没反应) 请教各位,具体应该怎么做呀?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    const audio = document.querySelector('#audioVoice') audio.src = `http://192.168.100.249:8080/index/${REGIONAL_MAP.get(this.state.listData[index].type)}${this.state.listData[index].content}` ... 是我写逻辑的时候一些代码,页面上是有声音播放出来的,下面的oncanplay就是没有执行...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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378 views
1 answer
    貌似解决了问题,maven 已经开始导入了. 原因:idea2019与maven3.6版本不兼容问题,解决办法,要么升级idea,要么降级maven 原来用的3.6.2,现在换成了3.3.9 哪里出了问题? Unable to import ... Pushing properties took 460ms; general responsiveness: ok; EDT responsiveness: ok 2020-10-16 22:06:04,642 [ 11167]...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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365 views
1 answer
    When I want to execute the event, it doesn't execute (which means that the event is not in my calendar), and I get the following error: ... .Events.Insert(ev, "primary"); projectEvent.SendNotifications = true; projectEvent.Execute();...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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427 views
1 answer
    mysql数据库管理工具有个COPY AS SQL INSERT 希望能用sql语句直接根据结果集生成insert sql语句...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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564 views
1 answer
    各位中午好,想问下微信小程序有办法做到 识别公众号二维码 吗...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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435 views
1 answer
    问题产生: 列表关系: 项目(列表1)>工作簿(列表2) 在列表2中,需要从多个接口取回数据,合并一起后,展示.使用`concat`操作符,如下操作,输出结果,只有`this.projectsTem`的数据. `this.projectsTem ... ... this.workbooks = this.dataServe.getWorkbooks(this.projectId).pipe(concat(this.projectsTem)) 列表1: 点击Data展示列表:2...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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403 views
1 answer
    在写一个 Vue3 的组件, 其中有一个功能为将 div 的每次滚动距离为自己控制的固定距离 实现思路: 通过使用Element.scrollBy() + WheelEvent 事件来实现 由于这个是在写 Vue3 组件 所以我保持着 Dom 操作尽 ... { function mousewheel(e){ console.log(e); // e.preventDefault(); console.log('wheel'); } return { mousewheel }...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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