Recent questions in Technique[技术]

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Can't query my bigQuery Error Unrecognized name

I need some help. I have this script to send pubsub messages to my topic: const topicName = "---"; const data = ... answer that works for me, anyone can help? Thanks in advance!...

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

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831 views

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有人了解旅游出行类APP的需求吗？

有人了解旅游出行类APP的需求吗？本人小白，对旅游类APP有一些想法，想搞一下。求指点...

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

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900 views

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statistics - How do I select specific coeficients in R when I am trying to find out a perfect fit in R

I am lookig for an opinion. I am new to R and for work I am trying to create a tarif pricing structure using the following: ... -0.16247 0.04202 -3.867 0.00011 *** Thank you!...

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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python 3.x - How to make Pandas dataframe run on multiple cores?

I have around 5 million rows being processed in pandas dataframe & its taking about 45 minutes.There are multiple ... all available nodes & reduce the total transformation time ?...

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

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2.0k views

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kafka java process consuming way large memory specially thread called org.springframework.kafka.KafkaListenerEndpointContainer#1-0-C-1

org.springframework.kafka.KafkaListenerEndpointContainer#1-0-C-1 consume large memory how to reduce it I'm using ... ))) userService.applicationExpire(kafkaEvent.getEventData()); }...

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

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2.0k views

1 answer

tp6多应用模式下路由设置

多应用已经创建好，并绑定了域名，直接在根目录的route下边新建了多应用名称的目录，下边创建了route.php文件。。但在访问的时候，提示：当前访问路由未定义或不匹配直接在应用下边创建route目录，并创建路由文件，可以正常访问，看教程里边说可以在根目录的route目录下边按应用名称创建目录的方式来设置路由。。。。请哪位大牛帮帮忙，，谢谢哈。。...

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

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2.2k views

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请问一下，做前端开发的，买一台什么配置的笔记本比较好

本人从事前端开发，主要做vue，小程序开发。还有uni_app混合开发。打算入手一台笔记本。有没有前端大佬推荐推荐...

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

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2.2k views

1 answer

ngOnChanges事件不触发，求解

一个子组件接受一个list数组对象进行渲染， <child [list]="list"></child> 数组对象是父组件通过http接口异步获取，然后在回调函数里面用list一个一个push进去像这样: temArr.forEach(res => { ... 里面的表现不一样，查了下资料好像也没看到很合理的解释，希望哪位大佬能解释一下，感谢!!...

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

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2.6k views

1 answer

requestImageDataAndOrientationForAsset 内存泄露崩溃

IOS 相册里图片很多比如2000多张内存飙升到1g多崩溃了 There are a lot of pictures in the IOS photo album. ... weakSelf dealImageWithIndex:index exactImage:result originImageData:imageData]; }]; } }];...

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

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2.5k views

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rollup设置output.exports为none报错

由于是cli工具所以不需要导出，在output.exports设置none时，打包却报错： [!] Error: "none" was specified for "output.exports", but ... isProduction && (await import('rollup-plugin-terser')).terser() ] })...

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

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3.3k views

1 answer

elementui ie11 分页组件报这个警告

报这个警告 "element-ui": "^2.4.4", "vue": "^2.5.17",...

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

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3.2k views

1 answer

js中如何实现this的深拷贝?

如果使用for循环深度遍历，会导致死循环；或许可以使用 loadsh库的deepclone来实现，还有什么方式吗，原因是什么？...

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

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3.6k views

1 answer

请教安卓照片私有云备份方案？

自己有台阿里服务器，我想用来做网盘用，类似百度网盘那样，可以传文件和备份手机文件，请问需要什么软件可以做到？...

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

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3.6k views

1 answer

Define leading counter for sequence in R

I am trying to create a numerical sequence in R that looks like this: ID|class|counter A| z| 1 A| z| 2 A| ... trying to count the inner class-Id combination. How does one do this?...

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

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3.5k views

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接口返回的HTTP状态码为201，这个是怎么实现的？

从一个网站上看到的聊天功能，当点击头像时，会调用events接口，之后会返回一个HTTP状态码为201的信息。它这样做的目的是什么？我如果想模仿他的做法，需要做什么？...

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

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3.6k views

1 answer

部分ios fixed定位导致dom元素不显示是怎么导致的呢？

正常情况下如下图，点击按钮第二个蓝色色块显示但在某些ios机型下点击按钮并不显示第二个色块具体定位方式为： body fixed定位，body下面有一个相对定位元素相对定位元素内有 ... = 'block'; document.body.style.position = 'fixed'; }) </script> </body> </html>...