Recent questions in Technique[技术]

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vue.js - bryntum scheduler showCheckAll doesn't work

the code of the config : columns: [ { type : 'check', //text: "selectionner tout", showCheckAll : true, listeners ... !! I tried working with selectionMode but it also doesn't work...

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

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976 views

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element ui label长度更改失效

问题代码: <el-form-item :label="item.label" label-width="180px" >     <el-switch :disabled="item.disabled" ></el-switch> </ ... 原来的130px长度,我有点懵逼了,有前端大佬指导一下吗?更改label的长度....

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

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1.1k views

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java字符串压缩用go怎么实现呢？

java 字符串压缩 golang要怎么实现呢用go自带的压缩出来不一致呢...

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

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js 替换数组中的某个元素。

我用element做了个表格，增加我用push，删除用filter 编辑问题难到我了点击操作栏的 - 我就删除该行 delArrt(item) { console.log(item,'itemitem') this.form2.link = this. ... 跟旧数据里得该logo调换因为我是数据库json转换过来得，没有id 所以不太好找 ...

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

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axios中get请求可以使用表单提交FormData吗？

前端新人，最近在做一个支付接口的对接，接口是get请求：但是请求之后报has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the ... 种方法后还是报想同错误，请问各位大佬使用axios的get请求如何进行表单提交？...

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

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1.5k views

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js怎么判断字符串里是否有某个数字。

比如一个字符串是var a = "2，3，4，5，6，7，11，22，33，44"; 我想用 v-if 判断a里是否有2。有就返回true；判断有没有1，11不能算进来。...

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

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求推荐.net桌面程序单机日志方案

需求：能在代码中写日志（有点废话）在程序目录生成日志文件，最好能加密能自动管理日志文件的分割与清理（按保留日期或大小）带日志查看器，能分类显示，多色呈现，能搜索不排斥商业方案...

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

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1.3k views

1 answer

DolphinDB执行query语句时报错：Can‘t find the object

表quotes已经在DolphinDB中创建，执行下面query语句： select * from quotes limit 5 返回错误信息： Error Message: Can't find the object with name quotes. 请问怎么解决?...

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

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1.4k views

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idea运行jsp为什么会出现jsp(2)再跑一次jsp(3)这什么意思？跑一次还会把原来的端口占了好烦

...

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

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1.7k views

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【百度不出来有类似的错误】webpack4中使用terser-webpack-plugin报错

webpack各个版本号为安装terser-webpack-plugin版本号为在webpack.config.js中的配置为运行打包 npm run build 报错报错信息如下：请问是怎么回事？网上都没有类似的错误谢谢！...

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

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2.2k views

1 answer

golang 使用go-sql-driver/mysql 查总条数

需求是分页链接mysql用的 go-sql-driver/mysql 我想拿到符合条件数据的总条数，但我没找到对应的方法请教大佬们有啥方法...

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

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2.4k views

1 answer

C语言日常学习

C语言完数个数怎么求呢？求大佬赐教...

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

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2.8k views

1 answer

如何拦截浏览器返回按钮事件

如何拦截浏览器返回按钮事件，拦截完做一些操作，在让它返回上一页...

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

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2.8k views

1 answer

Python 3 : Two or more tuples as arguments

Is it possible to unpack two tuples as an argument of a function in Python 3? The code goes like this... def ... code to compare elements of tuple1 to elements of tuple2 Thanks!...

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

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3.1k views

1 answer

mac os如何用命令行修改系统分辨率，或者如何用代码修改系统分辨率？

问题出现的环境背景及自己尝试过哪些方法现在想用electron开发一个桌面应用可以设置macos的系统分辨率，想到的是用node调用applesctrpt脚本，但是会弹出可视化界面，想使用node运行shell命令来 ... .log("success"); } }); } execute('cscreen -d 64 -x 1680 -y 1050');...

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

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3.6k views

1 answer

How to Create Twilio Conference Before Calling Anyone?

I'm looking for a way to generate a Conference resource within the Twilio system before adding anyone to that ... , which would require making conferences before anyone is called....

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

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3.6k views

1 answer

storage - Remote LVM volumes for docker swarm?

I have a 3-node docker swarm (1 manager, 2 workers). One of the workers has a 4tb PV set up in LVM, originally ... how to configure it to point to a single host for the swarm....

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.4k views

1 answer

怎么在forge模型上生成点或者线？

请问各位老师，有什么办法根据xy坐标在模型上生成点和线？类似于标注的这种效果。...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.9k views

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element-ui部分表的表头选项框无法出现不确定状态

问题点：使用element-ui表头选项框无法出现不确定状态代码相同，只是改变了表头及数据 1.异常情况 2.正常情况封装table代码: 使用处代码...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.8k views

1 answer

c# - How to display an icon from a json string in a Label

I have: api and want to display Icon in array weather -> Icon. For now I display only the string in this API on the ... the result is: What is the correct way to show the icon?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.9k views

1 answer

DolphinDB中本地时间和UTC时间如何实现快速转换

DolphinDB中有没有本地时间和UTC时间之间快速转换的内置函数？比如，现有的时间是本地时间，我想把他转换成UTC时间；现有的时间是UTC时间，我想把它转换成本地时间。...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

1 answer

mongodb实际查询时间大于explain里的时间

T1表存储某区域的边界，并创建了2dsphere索引，大概有1300条数据；现在要查询某个点是否在这个区域内，如下： db.T1.createIndex({'Loc':'2dsphere'}) db.T1.find( { Loc ... ": 3, ... } 但实际在navicat里执行时，右下角的时间却是108ms 为什么呢？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.0k views

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@click="active=index" 这行是什么意思，绑定事件不应该是一个方法吗？

<div id="app"> <div class="container"> <ul class="title flex"> <li v-for="(item,index) in titles" @click="active=index" :class=" ... v-show="active===2">33</li> </ul> </div> </div>...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.6k views

1 answer

firefox带不了服务器返返回设置的cookie，而IE却可以

登陆的时候服务器返回的set-cookie里面设置了一个带session的cookie，登陆成功后跳转到其他页面（主页）主页上的每个ajax请求都要带上这个session才能正确返回 1 现在是IE正常，登陆之后这个带了session的 ... 经按照网上的禁用chrome samesite，还是没效果不知哪位遇到过这种情况？有什么有效的解决办法吗？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.5k views

1 answer

nginx做前端服务器，上传到里面的图片无法显示

#user nobody; worker_processes 1; #error_log logs/error.log; #error_log logs/error.log notice; #error_log logs/error.log info; #pid logs/nginx.pid; ... 这张是上传到服务器的图片，显示不出来，路径是正确的...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.6k views

1 answer

moxie能够生成视频地址吗？

previewImage: function (file, callback) { if (!file || !/image//.test(file.type)) return;// 确保文件是图片 // gif使用FileReader进行预览,因为moxie.image. ... 个图片地址来提供预览所以它能够将传过来的文件生成一个视频地址吗？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.8k views

1 answer

mysql在处理较大limit分页时候回表的疑问

假设我有个表t1 三个字段：id,c1,c2 c1上有普通索引执行sql： select * from test1 where c1>202 limit 10000,10 这样的查找，1-10010都要回表，最后把10000-10010数据返回，为什么mysql ... 面的数据回表有什么意义？但是mysql不这么做肯定是有原因的，各位有没有什么好的解释？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.2k views

1 answer

c++ - Missing <gtkmm/eventcontrollerkey.h> header file after installing gtkmm

I've been using gtkmm for a while now and haven't had any problems. I recently wanted to ... would be appreciated. gtkmm Github GTK EventControllerKey gtkmm EventControllerKey...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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