Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Ask a Question
Welcome To Ask or Share your Answers For Others

Categories

Recent questions

0 votes
459 views
1 answer
页面刷新时，vue的:class="function"方法的自动加载？
    vuejs实战的组件篇有个练习，实现一个标签页； 组件模板中绑定了一个class属性，其值是由一个方法来控制的，这个方法写在了methods中，其他的方法都没有调用它，在页面刷新时，这个方法会自动进行加载； 这个是vue的什么加载机制吗？怎么会自动加载这个方法呢？...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
451 views
1 answer
html - PrimeNg Calendar not editable
    I have 2 instances of PrimeNg Calendar (startData & endDate) inside p-table on a form which is a component inside tabPanel of ... ? Using PrimeNG 6.1.7 and Angular 6. TIA, Oleg....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
951 views
1 answer
minikube - DNS error with MySQL integration with kubernetes cluster
    What happened: I am trying to create a service endpoint using the externalName spec to allow my microservices running inside ... (if this is a network-related bug): Others:...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
286 views
1 answer
Thunderbird: How to send a mail to all receivers of a folder
    does anybody know a way to copy all the the receivers of a specific (sent) folder in thunderbird? I want to send an email ... " is always me, this doens't work out for me. Thanks...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
220 views
1 answer
html - How can I convert long to int in JavaScript?
    This HTML file calculate the difference in days between the current date and a selected date as long as it is later than today ... ="Data non inserita"; } } </script> </html>...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
399 views
1 answer
如何查看es6的扩展运算符，谷歌各个版本的支持率？
    如何查看es6的扩展运算符，谷歌各个版本的支持率？...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
314 views
1 answer
webuploader上传mp3类型错误
    请问webuploader上传mp3文件 提示类型错误 该怎么解决啊? 只能上传图片......
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
391 views
1 answer
spine资源换肤错位
    问题,换肤错位 1是总体资源 2是总体资源去掉了bottoms，拿3换装到2上 3是从总体资源单独拆开来的bottoms 问题重复步骤 总体资源过滤出bottoms 得到bottoms 换肤错位 问题检查 发现在总体资源和 ... 就可以了 问题请教 单独导出botttoms时怎么保持与总体资源的bottoms相关的Vertices数据一样 上衣报错 网格...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
555 views
1 answer
package.json依赖之间有版本限制，怎样优雅应对
    package.json里的多个依赖之间，有版本限制，比如： A:1.0.1 B:2.1.1 有没有办法创建一个依赖C，引入C就相当于引入了： A:1.0.1 B:2.1.1 呢...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
575 views
1 answer
请问扫码夹娃娃机是用树莓派+连WIFI方式实现扫码投币功能吗?
    请问扫码夹娃娃机是用树莓派+连WIFI方式实现扫码投币功能吗? 以下是个人猜想的逻辑 : 每个机台都有自己的 UUID 并利用该UUID生成独立URL QRCode 使用者扫码后会发请求给服务器,服务器再发请求给微信或是支付宝 付款完后,服务 ... 哪种OS适合),接到确认指令并验证成功,投币增加 另外有疑问 : 如何保证网路环境的稳定,尤其是动态IP部分...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
206 views
1 answer
kafka新启动的cosumer是怎么获取到上次消费的offset的？
    kafka会提交offset到 __consumer_offsets 这个topic上，但是没想明白这个topic是怎么被利用上的 主要问题是： kafka新启动的cosumer是怎么获取到上次消费的offset的？是直接去消费 ... 息？ 新建立的broker在分配了partition之后，是怎么知道自己当前负责的partition的offset的？...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
936 views
1 answer
gnuplot: how to avoid viewing angle dependent semitransparent 3D surfaces?
    I stumbled accross the following. If I plot, e.g. a cube using pm3d and define the sides to be semitransparent, I ... view a,i replot } unset multiplot ### end of code Result:...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
197 views
1 answer
AutoHotKey - LShift and RShift with arrow key, not working as I expected
    >+Right:: Send % GetKeyState("LShift", "p") ? "+{End}" : "{End}" return code above is what I tried to ... but I wanted to make sure. Any elegant solution to implement first code?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
385 views
1 answer
python - Calculating a rolling window of 8 hour size, using half hour increments in pandas
    I have a data frame with the following date column: scheduled_departure_utc run_id 0 2021-01-11 13:07:00+00:00 13149 128 2021-01 ... 00:00 951201 4 2021-01-11 18:37:00+00:00 951802...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
215 views
1 answer
How to obtain GUID of interface passed as a generic parameter in Delphi?
    In the following, the method Obtain() works, but the GetAs() method would be neater for callers. However, I can't ... type-safe, and simple Intf := IntfReg.GetAs<IMyIntf>();...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
377 views
1 answer
有啥办法把EG1、 EG2、 EG3 这些字段，都合并到一个EG字段
    一个表有ID、EG1、EG3、EG3共4个字段，想变成ID、EG2个字段，使得行数变成原来三倍，列数从4列变成2列，请问在DolphinDB有什么办法？...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
236 views
1 answer
amazon s3 - Write the final dataset output for spark Java into s3
    I am not able to find the correct way to write data to s3 from dataset spark. What should be some more ... .mode("overwrite").save("s3n://druids3migration/data.csv");...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
621 views
1 answer
optimization - Is there a way to modify a Gurobi parameter (MIPFOCUS) in a Pyomo environment?
    I'm relatively new in Pyomo and Gurobi. I'm trying to solve a Non-Convex quadratic programming but the solver output ... for gurobipy" Tanks a lot for your time and consideration!...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
467 views
1 answer
serialization - ONNX a OneVsRest with CatBoost estimator
    I made a OneVsRest classifier, that uses a CatBoost as estimator. I'd like to serialize the whole model. I tried ... hybrid model. Did anyone manage to do this before? Thanks!...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
441 views
1 answer
android - How to change the Provider name in Huawei AppGallery?
    I uploaded an app to Huawei AppGallery. In about section of the app there are two fields called Developer & Provider. I was ... it didn't work for me. Can anyone help me please?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
172 views
1 answer
c# - How do Sagas get deleted in MassTransit?
    With Sagas in MassTransit, I can add a persistence provider, so that their state is persisted. However, can I somehow ... And if this is done automatically, when is it done?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
270 views
1 answer
python直方图（频数密度）-深入浅出统计学
    最近再看《深入浅出统计学》，想把里面的例子都用python画出来，才看几页就遇到问题了 - - 例子如下图： 画出上面的直方图，错误的表示如下图： 这个画出来了，实现代码如下： data_rand1 = np.concatenate ... = data7 / bins1_with 求大神指导同样的数据怎么画出上面第二个直方图那样 最后不知道表达的清楚不...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
516 views
1 answer
octave - Why my loop print every results even though im not using printf
    Why my loop print every results even though im not using printf. this is my coding. the result is print as matrix for every loop ... phi3c=acos((r1*cos(phi1)+r2*cos(phi2)-r4)/r3);...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
220 views
1 answer
reactjs - useState, setting icon active and inactive
    Hi all I have following code : my code I have two useStates, they checking if first one is true then they ... something as checkbox Please help me to resolve this issue, thanks....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
197 views
1 answer
vue使用函数式组件，render函数里context参数为什么是undefined
    图1是创建了1个函数式组件， 图二是通过extend()和$mount()生成图1的组件实例，使用时通过vue.$_{name}生成并挂载实例。 图3是在运行本地项目时打印的内容，发现render函数的第二个参数context为undefined。 求教这是为啥。...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
247 views
1 answer
使用useReducer 和 useContext，非首次dispatch会触发两次reducer，这是为什么？
    这个项目的目的是想实现使用useReducer 和 useContext 管理全局状态和跨组件传递数据， 类似Redux; 但是，对于非首次触发的dispatch，每次action都会触发两次reducer，这是为什呢？ reducers.ts 代码如下： context.tsx代码如下： 用法如下：...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
447 views
1 answer
openstreetmap - Access set's bounds in multiple requests - overpass API
    I have 2 overpass requests sent in a signle call to overpass server as follows : [out:json]; ( way["highway"~"."](around ... without any success. Is there a way to do it? Thank's....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
Page:
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

Just Browsing Browsing

2.1m questions

2.1m answers

60 comments

56.9k users

Most popular tags

Recent questions
Powered by Question2Answer
Donate
Theme by Q2A Market&&OStack.cn
...