Recent questions

0 votes

685 views

1 answer

angularjs ng-repeat 循环出来的结构在小米手机上显示不全

所有数据都是用ng-repeat指令循环出来的，其他手机上页面结构能够显示完整的，但是在小米手机上出现如图所示的问题找不出什么原因...

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

0 votes

577 views

1 answer

Docker for Windows (Hyper-v) 和 Vagrant (VirtualBox) 共存问题

目前公司的开发环境 windows + vagrant (VirtualBox) 如果想用Docker for Windows来做开发环境, 虚拟机必须用Hyper-v 问题来了虽然可以设置开机启动项从而让hyper-v VirtualBox ... Hyper-v背不知道大家在widnwos环境遇到这个问题没，遇到这个问题的怎么解决的...

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

0 votes

1.4k views

1 answer

kubernetes - kube-controller-manager and kube-scheduler leaderelection lost Crashloopback

Kubernetes kube-controller-manager and kube-scheduler keeps on restarting . The below is the pod logs. ~$ kubectl ... :00:44.906687 1 controllermanager.go:279] leaderelection lost...

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

0 votes

308 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)

0 votes

259 views

1 answer

关于Vue中的data绑定

Vue的官方文档中说，Vue 实例的数据都保存在 data 对象中，Vue 将会递归将 data 的属性转换为 getter/setter，从而让 data 的属性能够响应数据变化 var data = { a: 1 } // 直 ... 的getter和setter时，Vue是如何监听数据变化的呢？是每隔一段时间检查一遍立即执行函数的返回值吗？...

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

0 votes

223 views

1 answer

vue router-link

传统的a可以在新的标签页打开 <router-link :to="{path:'name'}"></router-link>vue的vue-router是否可以实现传统的效果，还是说spa应用是没有在新标签页打开这种说法的...

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

0 votes

310 views

1 answer

c# - asp-for binding and route-value issues inside loop

I am building a little website where users can manage personal gear, which has a name and mass among other properties. I want to ... .ID">Save</button></td> </tr> } </table>...

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

0 votes

944 views

1 answer

emacs -nw 如何复制一个窗口的内容到X的缓冲区？

uname -r 4.5.5-300.fc24.x86_64 已经尝试了C-x 1，但是不够实用例如我只想C-S-c复制窗口1的数据 1111 1111 而不是带上2222 请教...

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

0 votes

376 views

1 answer

多个ajax提交有些会cancel 有什么办法解决

$.when()..异步提交多个请求；下面情况怎么破？...

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

0 votes

500 views

1 answer

求教：当使用webuploader上传图片时，服务器响应数据内容格式是什么

我前端使用百度的webUploader上传插件来上传图片，而后端使用Thinkphp来接收文件数据，但如果我后端接收文件出错时，该如何返回数据通知前端调用uploadError事件回调方法执行呢？我看了官方文档，没有说明我试了 ... 端依然执行uploadSuccess事件方法特此求助下，成功是该返回什么数据格式，失败是该返回什么数据格式？...

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

0 votes

1.4k views

1 answer

es6 modules - Deeply nested export in TypeScript

Is there a way to export nested types in typescript without using submodules (e.g. import "my-package/a")? Like this: import { A, X } from ... (y : X.Y) {} function z(z : X.Y.Z) {}...

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

0 votes

259 views

1 answer

Is the following syntax in my robots.txt file, blocking all crawlers from indexing my site?

This is currently in my robots.txt file: User-agent: * # Disallow everyone else Disallow: / Question-to me, the ... " will prevent Google/MSN/etc from indexing my site. Correct?...

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

0 votes

1.3k views

1 answer

cplex, define a variable (dynamic range)

Hello i started recently using Cplex to solve mathematical models. i have a question about how to express a dynamic range (depends on another ... sum(i in a) W[j][i]==Vj[j]; }...

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

0 votes

225 views

1 answer

node.js - API which I designed to generate jwt on nodejs returns config.data (contains user submit data including password). How to stop it?

This is the app.js. Here the api end point is http://localhost:3001/api/male/users/signup. Here I use mongoose, ... ":"[email protected]","password":"dasdfdsvcsdv","gender":"male"}"...

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

0 votes

314 views

1 answer

python - textvariable not found in a def

I have this code : from tkinter import * def mine(): global textVar textVar = StringVar() textVar.set('Text') root ... undefined. But when the textVar is outside the def it works...

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

0 votes

469 views

1 answer

数据库设计( scheme 设计 ), 应该极力避免 NULL 吗?

实际现象了解到: NULL 语义不清晰 query 时不好优化如果表示空值, 可以有其他的替代方式( 逻辑上 ) VARCHAR(100) NOT NULL DEFAULT ''; INT NOT NULL DEFAULT 0; 预期 ... 的时候, 对待NULL的态度( 记得有看过一篇文章说过, 应该尽量: NOT NULL DEFAULT XXX)...

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

0 votes

458 views

1 answer

请教一个关于百度地图标注的问题？

地图上有几个标注，当鼠标一入后会出现一个信息窗口，请问如何获取这个信息窗口里面的文字？谢谢！...

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

0 votes

447 views

1 answer

mysql 一对多怎么在从表上面进行多条件多次统计

主表用户表 id name phone （关联字段）从表通话记录表 id phone（关联字段） ot_phone time type (呼入呼出) input_time 联系人表 id c_id phone 公司表 c_id ... 45 120 30 ..... 24 '小红' 18823232323 70 93 41 .........

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

0 votes

383 views

1 answer

人工智能训练数据如何存储？存储数据最大的痛点是什么？

计算机视觉，或者语音识别都需要用到大量的标注过的非结构化数据，有什么好办法存储和管理这些数据吗？你是怎么存储原始数据和标签数据的呢？如何做可视化？存储过程中的痛点是什么？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

419 views

1 answer

请问,springMVC框架,在数据进入持久层之前,有哪些方式可以对数据进行过滤

现在的需求就是,有相当多一部分数据在进入持久层,存入数据库之前,需要对数据进行验证在拦截器里面拦截不符合要求....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

227 views

1 answer

python - In-place type conversion of a NumPy array

Given a NumPy array of int32, how do I convert it to float32 in place? So basically, I would like to do a = a. ... function called via ctypes. Is there a way to do this in Python?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

486 views

1 answer

redis运行一会儿就挂掉，看日志发现是自动开始了主从同步操作导致

如图所示，开启redis一小时后突然自动执行开始主从同步操作，导致一系列错误，导致redis无法使! 我也没配置主从呀，更不知道它这个ip（157.245.142.212）是从哪儿冒出来的。...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

462 views

1 answer

java 泛型设计的疑问

public final i a(final rx.c.b<? super T> bVar, final rx.c.b<Throwable> bVar2) { if (bVar == null) { throw new IllegalArgumentException("onNext ... 里我的理解是 rx.c.b 下面的一个是T 这个子类的一种类型？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

342 views

1 answer

formidable编码问题

前台上传到服务器的txt文件默认用了UTF-8的格式保存,文件内部的中文全部变了乱码,用GB 2312打开就正常了,但是用node进行fs.readFile操作就按UTF-8的形式读取了.查了一下fs好像不支持读取GB 2312编码的. 所以 ... 不出现中文乱码呢? 这是刚上传的,UTF-8编码打开的文件内容: 这是切换GB 2312打开同一文件的内容:...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

333 views

1 answer

elementUI禁用整个表单，但是有一个item是不禁用的，要怎么操作呀大佬们？

给el-form设置了disabled，要给其中的一个el-form-item取消禁用，这个骚操作要怎么玩的...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

478 views

1 answer

yarn启动项目时提示please add a browserslist key to your package.json

package.json中默认react-create-app的eject后的配置，系统是win7 "browserslist": { "production": [ ">0.2%", "not dead", "not op_mini ... "last 1 firefox version", "last 1 safari version" ] }, 提示...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

640 views

1 answer

高德地图点击地图添加marker，第一次点击的时候会出现marker图标，第二次不会

高德地图点击地图添加marker，第一次点击的时候会出现marker图标，第二次不会，这是什么情况，一下是代码 mapObj = new AMap.Map(' ... infoWindow.on('close', clearMarker) infoWindow.open(mapObj, marker.getPosition()); }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

352 views

1 answer

c++ - What do they mean by the sentence "is used to identify the subject of an elaborated-type-specifier" in [dcl.typedef]/8?

[dcl.typedef]/8 A simple-template-id is only a typedef-name if its template-name names an alias template or a ... not sure I understand what do they mean by that sentence....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Just Browsing Browsing

Most popular tags