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1 answer

react native - useState array not updated when invoking function from another screen

I'm trying to add items to an array saved as a local state (using useState) through a function that is sent to ... added before returning to ScreenA is really added to the array....

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

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579 views

1 answer

如何将使用 json-server 的React项目迁移到阿里云服务器，通过公网浏览项目?

请问如何将使用 json-server 的React项目迁移到阿里云服务器，通过公网浏览项目? 需要如何设置，才能使云服务器上json-server的数据成功请求到...

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

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444 views

1 answer

how to get id from sting using mysql function?

I want to write a function which return plan code when I give input plan title But my function not working ... = Actvi_SubPln_Title; RETURN ATY_CODE; END //; DELIMITER ;...

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

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232 views

1 answer

python - Int object is not subscriptable problem with array?

Still new to this place and python so if I am doing something wrong, please tell. Have looked at previous questions, none seem to fix it ... min = terrain[j,k+1] + fillL[j, k + 1]...

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

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426 views

1 answer

sentry接入钉钉消息无法收到报错信息

sentry V9.1.2 接入了gitHub 这个https://github.com/anshengme/... Test 可以收到，项目报错一直出现错误求助万分感谢...

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

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535 views

1 answer

How to extend TileLayer component in react-leaflet v3?

I am trying to extend the TileLayer component in 'react-leaflet' v3. It is necessary to override this function to ... Or something else I would be grateful for any explanations....

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

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560 views

1 answer

apache - The connection has timed out -Virtual host error

I have wordpress file which is download from server and set up to localhost.I have change home url and site url.I ... too long to respond. Any help would be highly appreciated ....

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

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396 views

1 answer

python - import order for sys.path for regular and namespace packages

As official doc says (The Module Search Path): When a module named spam is imported, the interpreter first searches for a built ... it ? if so, what cause could make this happen ?...

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

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449 views

1 answer

cookie:a=b;c=d;e=f这种格式与cookie:a=b cookie:c=d cookie e=f这种有什么区别吗

抓包的时候发现发送的cookie是这种个格式但是正常来说我之前见过的都是这种所以想问一下，这两种cookie的发送有什么区别吗？如果没有区别的话，为什么会发送上面这种格式的呀？...

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

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229 views

1 answer

Stream转换为byte[]时，使用Length属性出错是怎么回事

用下图中的方式将stream转换成byte[]时，调试到第一步就报错“Specified?method?is?not?supported.”，我看大家博客都是这么用的，为什么我用就出错了，我的项目环境是52abp框架，是框架的问题吗...

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

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320 views

1 answer

java - What are the connections and differences between Observables in JavaFX and RxJava

Generally, an observable is something whose changes can be observed. In JavaFX, an Observable is used to represent a state ... lists by order instead of by current state or time....

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

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491 views

1 answer

吴恩达老师的作业问题关于SVM向量机采用核函数计算出结果怎样才能用

问题大概是有两个特征的数据去预测结果样本数量863，用X1,X2去预测Y【x1,x2】=>【y】如果是线性分类这个里面有参数coef [1.40718563,213398052] 和 ... 包侠主要不理解核函数意思不会使用svc1对象里面的dual_coef ，intercept,support,support_vectors 参数求教...

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

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644 views

1 answer

char array initialize with string and int variable (c)

i would like to initialize a char array like this: char msg[] = "something 12"; This works so far, but to ... a smart way use a flexible initialization? Thanks for your help....

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

0 votes

522 views

1 answer

axios自定义请求头问题

axios.interceptors.request.use( config=>{ config.baseURL = "http://www.xxx.com"; config.headers['aaa'] = 'sss'; return ... 被放在了Access-Control-Request-Header里面，不是应该是 aaa:sss这样吗...

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

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495 views

1 answer

api - Error to update a broadcast : "Id is required"

enter code hereI want to update a broadcast. I tried with the explorer on youtube's live site and it ... ":{"enableMonitorStream":true,"broadcastStreamDelayMs":5}}}' }...

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

0 votes

688 views

1 answer

SQL server错误：不允许启动新事务,因为有其他线程正在该会话中运行

因为项目需要用到sql server数据库刚上手使用事务的时候就遇到这个错误网上好像找不到相关的资料有朋友知道怎么排查问题吗？用的是tp5+sql server Db::startTrans();// 启动事务 try{ if( ... ['code' => 100, 'data' => '', 'msg' => $msg . '失败']; } }...

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

0 votes

406 views

1 answer

ios - SMS OTP verification with UITextField without setting .oneTimeCode?

I know that in order to be able to automatically fill a text field with a SMS code, I should set its textContentType ... however of why and how this works. Thank you for your help...

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

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628 views

1 answer

IOS打包提示:Team is not enrolled in the Apple Developer Program

个人账号 product->archive 打包无论选择 AD HOC 还是列表的任意一个都提示： Team "** (Personal Team)" is not enrolled in the Apple Developer Program. 请问未付费个人账号可以打包IPA吗？相关问题： https://ostack.cn/q/10......

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

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229 views

1 answer

请问OPENGL怎么绘制环形？

请问各位大佬，OPENGL怎么绘制环形，并且能够在上面着色呢？请多指点，不胜感激！...

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

0 votes

411 views

1 answer

conditional statements - Conditionally predicting daily amount of observations from individual dates (depending on rainfall) in R

I have a data frame like this called "fulldata" with over 12000 observations: Station_id Date Prec_daily 44 2019-04-30 0. ... level... Thanks a lot in advance for any advice!...

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

0 votes

609 views

1 answer

nuxtjs 子组件如何刷新父组件传来的props?

现在在写一个名为comment的评论组件，评论的内容是页面初始化时通过asyncData从后端获取的data，再传入comment的props。在评论提交后希望能刷新评论数据。目前是用自定义事件，但是评论并不能正常刷新。求指教...

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

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481 views

1 answer

svg图标突然间不显示,框架为若依框架,急需帮助

...

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

0 votes

511 views

1 answer

objective c - UIView not centered after pushing UIViewController

I'm using objective-c in my project. I want to show a new UIViewController (for example A) with navigation bar this ... device, why this is happening and how to resolve my problem?...

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

0 votes

473 views

1 answer

python 3.x - ValueError: invalid literal for int() after reading input into a tuple

I am writing a code that takes some numbers as tuple and then verify if there are numbers divisible by 3. ... directly on tuples without converting them to list first. Thanks...

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

0 votes

401 views

1 answer

javascript - long duration post request by axios get empty response and network error

I'm using react js for the frontend, and node js for backend. I have few many post service in express and can get ... =await axios.post("/api/damage",object,{timeout: 5000000});...

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

0 votes

227 views

1 answer

javascript - Multiple match of items that follows a string with one regex

I need to get multiple matches (that's the easy part) only if there's certain text at the beginning It has to be done on the ... role.+?full":"(.+?)" will only match the first one...

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

0 votes

334 views

1 answer

python - My telegram bot answers in personal chats but don't in group chats. Why?

My telegram bot answers in personal chats but don't in group chats. I could not find the problem. A snippet from my code ... in heroku for text.split(), but only from group chats....

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

0 votes

693 views

1 answer

python - How to modify pydantic field when another one is changed?

I have a pydantic class such as: from pydantic import BaseModel class Programmer(BaseModel): python_skill: float ... total_score to automatically update. Any solutions? TNX!!...

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

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