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reactjs - Socket.io connection error react native expo

Expo app not connecting to socket server, socket.connected is always false I have tried to downgrade socket.io-client version ... ['websocket'], jsonp: false, forceNew: true, });...

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

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Numpy's filterwarning set to ignore doesn't turn warnings off and Python's warning filter still catches them

Since Numpy 1.19, creating a ragged array without explicitly calling dtype=object raises a ... w) # raises np.VisibleDeprecationWarning intead of UserWarning...

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

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c++ - Build Eclipse Makefile project from command line

I have created Eclipse Makefile c++ project with intention to build project also without Eclipse. But I got error while run make in ... ) -o $@ $< clean: rm -fr boiler $(OBJS)...

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

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r - "initial value in 'vmmin' is not finite" error in flexsurvspline call

When I run flexsurvspline, from the flexsurv package, on the attached dataset , I get the following error for ... inits function be determined? input_df.xlsx Thanks in advance!...

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

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elementui的table的合计老是超出表格定的高度，计算不及时，怎么办？

表格的height是 calc(100% - 32px) 去掉分页的高度，结果高度超了 height:100%的话，就超到外面了，看不见合计行有时候刷新下，他又好了。 f12调试，修改下表格高度，他也好了，开始计算了在mounted的时候，根据他外层高度，计算他的height，也没用。修改他的style，也没用，不会让table组件重新计算。...

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

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antd Popover 里面添加点击事件不能带参???

<Popover content={menu1} trigger="click"> <Button size="small"onClick={()=>this.onclikchangeGood(item)}>更改</Button> </Popover> 为什么不能传参?!怎么解决...

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

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python - Can't send Invoice in Telegram ("Bad Request: can't parse prices JSON object")

I'm trying to send an invoice message in the Telegram bot, but get an error {"ok":false,"error_code":400 ... ' response = requests.post(url, invoice) print(response.__dict__)...

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

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war - Can springdoc be used with spring webflux non boot application

We have a spring webflux reactive application that needs to be deployed as war on server. The spring boot ... ? Is springdoc compatible with non spring boot webflux application?...

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

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caching - Is there a way to set an expiration time for a Django cache lock?

I have a Django 3.1.3 server that uses Redis for its cache via django-redis 4.12.1. I know that cache locks can ... cache values (cache.set('some_key', 'Hello world', 3000))?...

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

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客户端开发怎么保存私钥比较安全？

客户端开发怎么保存私钥比较安全？...

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

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springboot controller中请求参数中文乱码

controller如下： @Controller @RequestMapping("/publish") class PublishController { @RequestMapping @ResponseBody public String publish(@RequestBody String ... 码在哪里设置吗？为什么默认的解码是GBK？...

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

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python - Tensorflow GPU memory allocation

I'm trying to train a custom object detection model using my GPU instead of CPU. I've followed all the ... : I tensorflow/core/platform/windows/subprocess.cc:308] SubProcess ended...

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

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php - Failure to release lock in Symfony (Redis store)

We have the following class: class MyClass { public function __construct($lockFactory) { $this->lockFactory = $lockFactory; } ... in Redis, allowing the lock to be acquired again...

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

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java - Upgrading Solr index from 6 to 8

I have a core which was created years ago, running correctly from a Solr 6.x. I've upgraded Solr to 7.7.3. I've launched ... 7 to 8? How can I get my index working with Solr 8?...

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

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How to add custom widget area to WooCommerce product category pages, just above the footer

I am trying to add a custom widget above the footer on all pages (except landing page). All has worked well except for ... theme is Astra. Any ideas of what else I can try? Thanks...

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

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linux mysql报错

0|rd | 0|rd | Error: connect ENOENT /tmp/mysql.sock 0|rd | at PipeConnectWrap.afterConnect [as oncomplete] (net.js:1141:16) 0 ... -compose/index.js:44:32) 0|rd | linux上mysql好像是连接不上...

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

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js 解析display错误？？

2万多个。。。。警告又没给出错误行？找了一圈没找到问题。这种怎么解决...

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

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electron桌面通知的图标出现滚动条

electron的桌面消息通知的图标设置的是60*60 但是出现了滚动条这个有人遇到过吗 if (args.icon) { args.icon = await electronImageResize({ url ... , width: 60, height: 60, }) } const notify = new Notification(args)...

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

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caching - Rate limiting load balanced environment using a distributed cache

My question is about a fundamental functionality of the distributed cache, my use case is a rate limiter ... Do distributed caches use any quorum based mechanisms? Thanks....

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

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pymongo - How to paginate on array of array with using $skip and $limit in mongodb?

The pagination works on "records" with the following query for the defined document in MongoDB by changing $skip and $limit ... "first_name33", "last_name": "last_name33" }] }] }...

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

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原生H5嵌入页面如何跳转

index.html和detall.html在同级目录,以下代码在PC调试可以跳转，嵌入之后却失效了，难道要window.location.href = url;吗 index.js var url = 'detall.html'; location.href = url;...

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

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javascript - Route changing issue

It is supposed to change the route to "home" when signed in and stay in it until the user logs out, but instead it changes ... ; } }) } When I console.log(data) it shows "success"...

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

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html - autoWidth Does not work in DataTable plugin Angular

My data table has 12 columns. These columns are set with the auto width to "true"; I think it is relatively small. and it shouldn't ... /tr> </tbody> </table> </div> </div> </div>...

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

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请教个正则问题，研究一天了没研究出来

"$islandPositions[D][0]" "$boatPosition[single][A][2]" 想把这样的字符串转化成对象，最后返回一个这样的数组 ['islandPositions', 'A, '0'] ['boatPosition', 'single', 'A', '2'] 希望能有人回答，在线等...

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

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leetcode33. 搜索旋转排序数组, 以下代码为什么会超时

题目描述假设按照升序排序的数组在预先未知的某个点上进行了旋转 ( 例如，数组?[0,1,2,4,5,6,7]?可能变为?[4,5,6,7,0,1,2]?) 搜索一个给定的目标值，如果数组中存在这个目标值，则返回它的索引， ... 用例为：search([4,5,6,7,0,1,2], 3) 时，代码会超时，无法正常运行实在找不出错误，麻烦大家了...

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

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gitlab相比git的优势在哪？有没有更好的替代品？

gitlab可以搭建在自己服务器，但他比自己搭建的原生git服务器有哪些优势？比如代码预览界面美观，还有其他吗？（自己搭建的gitlab不是在线那个gitlab） gitlab搭建太占用资源了，服务器吃不消，想自己搭建的话有没有其他好的替代品？...

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

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css如何做出区域平均划分为四列

将表单区域平均划分为四列，并且列与列之间留出固定的间隔。一般情况下，一个选项占据一列，当选项长度超过一列时，根据长度占据多列。如果选项本身超过一行，则折行进行展示，并且该选项的下N行，不放置其他选项...

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

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redux中间件的return是做什么的？

next是传递给后面的中间件，那中间件的return是做什么用的呢？...

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

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