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496 views

1 answer

java - why converting Protobuf record to parquet file takes so much time in version 1.11.0 in compare to 1.8.1 of org.apache.parquet.parquet-protobuf?

I have one simple protobuf schema like the following: protobuf: option java_outer_classname = "SimpleRecords"; message Record { ... but in version 1.11.0 it takes 2167 seconds?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

249 views

1 answer

Values not being defined when outputted in Python MySQL?

Aided by a previously asked question see (How to correctly convert SQL rows to columns?), I'm attempting to apply to a MySQL ... ('A4', None, None, None) [Finished in 1.2s]...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

284 views

1 answer

php - Merge an associative array with comma if one index is same and other is different

I have an array like this: Array ( [0] => Array ( [id] => 10 [field] => new [value] => pqr ) [1] => Array ( ... [value] => abc,xyz ) ) Can we do this with any php inbuilt function....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

242 views

1 answer

python - Api calls blocked from laptop to ElasticAppSearch engine

I am trying to make a post api request from my python code to ElasticAppSearch engine. I am using macOS Catalina (version ... known')) "" Any suggestions would be helpful. Thanks!...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

655 views

1 answer

为什么做Java游戏服务端不需要掌握ssm、ssh的

为什么做Java游戏服务端不需要掌握ssm、ssh的...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

428 views

1 answer

amazon web services - Pentaho S3 file output - Process taking too long

I'm trying to send some csv files from my local computer to a bucket on amazon using Pentaho. The problem is ... especific configuration that I have to do to solve this problem?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

382 views

1 answer

jQuery实现多个div实现滚动固定到顶部

有多个div叫gou的当滚动条向下滚动的时候每一个gou依次固定到顶部，但是当向上滚动的时候触发条件判断不对怎么回事？代码： $(document).ready(function(){ //获取定位元素距离浏览器顶部的距离 //var ... z-index","0"); //else if 里面的条件判断不对应该怎么改啊 } }) }); });...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

247 views

1 answer

Creating a Python list from a map using dictionary get() as a function vs creating a dictionary get() list with a for loop

I was very surprised that a seemingly easier and less taxing function was less efficient. I ran a test on two methods, ... when profiling the two? Why is a for loop so inefficient?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

405 views

1 answer

iphone中使用jquery事件委托出现的问题

$('body').on('click', '.mask', function () { ... }); 像上面这样将点击事件绑定在body或者document上在iphone中都是无效的，而绑定在body的子元素上就没有问题，想了解一下这个具体是什么原因？并且这个问题可以通过为元素加一个cursor: pointer来解决，请问这个又是什么原理？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

644 views

1 answer

python打包如何解决 UAC 权限问题？

写了一个pyqt的程序， win7下拖拽正常。但Win10下文件拖拽不进来。百度到的答案是权限过高，需要降低程序权限。我是用的管理员权限运行的。怎么才能降低权限？打包用的pyinstaller...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

304 views

1 answer

yii1.0框架在实例化类的时候报错？

所用框架是yii1.0的，我在controller里实例化类的时候，报错了. 代码如下：$model = new Message(); 报错如下：然后我把model里的Message.php文件复制了一份出来命名为Message2.php(只改了文件名字及类名) ... ();这次就没在报错了各位有遇到过这种情况吗，是什么原因引起的，为什么会这样啊？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

243 views

1 answer

linux挂载盘的问题

各位大虾好！小弟使用阿里云cnetos 7的虚拟服务器，目前在挂载上出了一点问题，请问这种mount system call failed，应该怎么办？如图。小弟在http://bbs.csdn.net/topics/39...里看到有人说" 修改/etc/sysconfig/nfs文件将版本3和4的注释放开，就可以了",请问版本3和版本4是哪部份呢？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

454 views

1 answer

jQuery实现多个div实现滚动固定到顶部

有多个div叫gou的当滚动条向下滚动的时候每一个gou依次固定到顶部，但是当向上滚动的时候触发条件判断不对怎么回事？代码： $(document).ready(function(){ //获取定位元素距离浏览器顶部的距离 //var ... z-index","0"); //else if 里面的条件判断不对应该怎么改啊 } }) }); });...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

850 views

1 answer

blender导出JSON文件的时候，文件过大导致blender死掉，请问有没有更好的解决办法？

如题，我从3DMAX导入一个很大的场景文件3ds(大概200多M, 导入的时候也卡死了一会儿)，然后把这个文件导入到blender里面，通过blender导出json，但是总是死掉。。。等了很久一直不成功求正确姿势.........

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.2k views

1 answer

vue -router 跳转不刷新怎么解决（不刷新 window.onload中渲染画布的函数就不执行）

切换标签不显示但如果刷新页面就能显示出来切换的时候元素也都出来了 proSkill.vue <template> <div class="wrapper"> <span class="title">前端技 ... overflow: hidden; } ol{ color: aliceblue; font-size: .9rem; } </style>...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

965 views

1 answer

研究小程序，有在线选座的功能，没找到实现办法；现在看到猫眼的实现了在线选座功能（如图），麻烦谁能给指点一下呢？

...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

328 views

1 answer

3dmax 导出 json 给 three.js 使用

使用 three.js 官方提供的 3DMAX 导出脚本导出的 json 文件太大什么都不选都7M 左右，我看 blender 导出是数据（同一个球体模型）只有2.7M 不知道3DMAX要怎么导出 json 才控制数据较小 ... 不知道从3dmax 导出给 blender 用什么格式较好，然后再用 three.js 插件导出给 three.js 使用 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

427 views

1 answer

windows下sublime怎么配linux c的代码补全

想在windows下写linux系统c...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

419 views

1 answer

scala - Escaping command in CMD Dockerfile

To execute sbt to execute a specific Main method I use: sbt "run-main tickdata.Main" How should the command sbt "run- ... Expected key [error] "run-main tickdata.Main" [error] ^...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

495 views

1 answer

spring boot 中配置https 证书类型为pem文件时，ssl.keyStoreType填什么

spring boot application.yml 中配置https 证书类型为pem文件时，ssl.keyStoreType填什么 ssl.key-store: classpath:xxxxx.pem ssl.key-store-password: ssl.keyStoreType: 这里填什么 ssl.keyAlias: tomcat...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

272 views

1 answer

Python-Google cloud function deployment failure

I'm trying to upload some python code but I get this: Deployment failure: Build failed: found incompatible ... lot of experience coding, so would appreciate some help....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

515 views

1 answer

celery 如何解决worker和client代码同步问题

我的celery worker在A机器, client在B机器, 这样每次代码更新我都必须同时更新A和B,并且依次停掉client, celery worker, 再依次开启celery worker和client, 这样不就非常麻烦吗? 有什么好的解决方案?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

cannot read property 'call' of undefined

1.webpack1X cannot read property 'call' of undefined打完包浏览器就是这个错误 2. 3. 4.总是提示我call of undefined是什么意思 5.听说网上说typeof改成-- ... .2 extract-text-webpack-plugin用的是1.0.1 一直没找到问题怎么解决！谢谢...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

360 views

1 answer

elasticsearch - Index life cycle policy

I would like to create a Hot-warm policy , and the index should rollover when the index is 20Gb of size or max_age ... trying to do is possible with ILM ? Thanks for your help...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

495 views

1 answer

Flask内如何跳转至其他页面。

为了能从当前的路由跳转至其他路由，我如下写的： @app.route('/',methods=['POST','GET']) def index(): if request.args.get('data',type=int)==1: #判断是否前往 return ... ') 然后依然没用，页面都不会跳转（肯定进了if的）现在很茫然，不知道怎么办求教...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

320 views

1 answer

amazon web services - API documentation for API Gateway with Lambda proxy integration

I defined a SAM app with few Lambdas behind an API Gateway" MyApi: Type: AWS::Serverless::Api Properties: ... Similar question here -> Aws lambda proxy Swagger template integration...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.5k views

1 answer

关于 Go 语言中 const 的问题

本问题来自《Go语言圣经》中 GIF 动画中的代码，作用是生成一个利萨如图形 GIF 代码如下： // Lissajous generates GIF animations of random Lissajous figures. package main ... 运行问题为什么用 const 声明的 int 与 var 声明的 int 会有差别？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

861 views

1 answer

reactjs - Warning: isInitialValid has been deprecated and will be removed in future versions of Formik

Warning: isInitialValid has been deprecated and will be removed in future versions of Formik. Please use initialErrors ... instead of isInitialValid:false but it has error....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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