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528 views

1 answer

react native 中如何让组件正好在 status bar 的下面？

如题怎么让我的组件正好在状态栏的下面现在我的组件紧挨着上边，谢谢...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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195 views

1 answer

c# - Request threads being blocked using .Net Core 3.1 web application

I'm using dotnet 3.1 on Ubuntu 20.10. I run "dotnet new web" command at the terminal and it creates a Project ... await context.Response.WriteAsync("Slow running request"); } } } }...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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224 views

1 answer

python - A value that need to be extended in time

people. I need to sum values of a data frame in different columns. OUT with the amount invested IN with the amount received DRAW with ... 11 2020-04-10 - 10 12 2020-05-10 - - 20...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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139 views

1 answer

Terminate shell pipe from interactive go cli

I have a Go program that consumes "live" input from a shell pipe, eg: tail -f some/file | my-program my- ... the above process group signaling on interrupt. Any issues with that?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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370 views

1 answer

项目怎么上传到网上用链接打开？

项目怎么上传到网上用链接打开？(不用新浪云)...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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242 views

1 answer

mysql怎么查询上一周的数据

百度出来的sql是： SELECT time FROM atkg WHERE YEARWEEK(date_format(time,'%Y-%m-%d')) = YEARWEEK(now())-1 可是mysql查出来的是周日到周六的时间，我想要周一到周日的时间啊，sql怎么写,求教...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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345 views

1 answer

WebGL立方体数组含义求解

创建颜色对象数组 var textureCoordinates = [ // Front 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, // Back 0.0, 0.0, 1.0, 0.0, 1.0, 1.0 ... 23 // left ]; 这个索引里的0, 1, 2, 0, 2, 3, 应该不是坐标吧····这是什么呢...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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315 views

1 answer

bootstrap 模式框启动问题？

1 通过a标签，触发一个bootstrap的模式框 <a data-toggle="modal" href="modifyShield.jsp?shield_id=<%=u.getRoom()%>" data-target="#modal"> ... " value="操作" onclick="shield()" /> </div> </form>...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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403 views

1 answer

timezone - Change time from UTC to local time in C

I would like to output in local time, America/Los_Angeles to the log file. Currently, I'm getting times in ... xdebug_log_prefix[log_level], message ); fflush(XG_LIB(log_file)); }...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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225 views

1 answer

PHP怎么实现nodejs vm模块的功能

PHP怎么实现nodejs vm模块的功能...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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304 views

1 answer

redis的HyperLogLog有什么用？

如果是单纯计算基数的话，使用HyperLogLog之前还得先一个一个PFADD，我在业务代码（php，java）中调用PFADD的时候换成用increment给一个string类型的专门用于统计基数的键来计算不就好了嘛？所以说是我的用法不正确吗？HyperLogLog应该是在哪种场景下使用？如何正确科学的使用？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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201 views

1 answer

关于php.ini的问题？

环境：centos6.5 从下图可以看见php.ini的位置但问题来了，这个目录下的php.ini的extension都是隐掉的为什么还能出现这些，截图只是一部分，包括Reflection，seesion,SimpleXML，soap等请问这是怎么回事？ ps:我在本机win8下面就是正确的。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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135 views

1 answer

c# - Updating the existing row in a table with session data

I have an entire class object stored in my session. I want to update an existing row in a table with ... PhoneNumber; dbContext.SaveChanges(); any help will be highly appreciated....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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364 views

1 answer

ios - Can I use CKRecord’s field content as localization key when using CKSubscription to send notifications?

From alertLocalizationKey - Apple Developer Documentation: Set this property's value to have the system display a localized ... I don't want to store localizations in CKRecord....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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568 views

1 answer

gulp如何读取文件内容并匹配出符合规则的字符串呢。

如题，求大神赐教～...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

441 views

1 answer

php - Laravel 8 CRUD: "POST" Method not Working Despite Proper Routing and HTML Configuration

When I submit my user form, nothing happens: I don't understand why nothing is happening. If I change the "POST" method to "PUT", ... btn btn-primary"> </td> </tr> </table> </form>...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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365 views

1 answer

怎么防止nginx破解跨域

刚刚接触到nginx,了解到可以通过nginx做反向代理修改http_header实现跨域。感觉这个功能过于逆天，想问一下。服务端有没有方法防范nginx破解跨域？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

420 views

1 answer

matlab comet ,能改变颜色吗

comet函数能不能改变其轨迹颜色？我有输入过help comet，但是里面并没有与颜色有关的参数求赐教...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

407 views

1 answer

如何在浏览器的安全设置下获取文件的后缀名？

系统对文档类文件都会默认隐藏后缀名，浏览器也因为安全原因屏蔽了具体路径，在这种情况下该如何获取文件的后缀名？头信息中也没有该文件的后缀名 Content-Disposition: form-data; name="myfile"; filename="无标题文档" Content-Type: application/octet-stream...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

325 views

1 answer

python2.7版本，opencv2.4.9版本，如何写能调用我的这个文件显示出我图片中的大象？

python2.7版本，opencv2.4.9版本，我做了一个自己的分类器，最后生成了一个data.xml文件（识别大象）,请问python代码如何写能调用我的这个文件显示出我图片中的大象？下面这段代码是识 ... .waitKey(0) cv2.destroyAllWindows() 请问python代码如何写能调用我的这个文件显示出我图片中的大象？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

191 views

1 answer

java - How to do login using volley?

I am new in Java (android studio). I tried to use Volley to do Post http request. My objective is to make ... }; mRequestQueue.add(request); } } The Post Request using Postman...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

220 views

1 answer

sql - Using LAG() to dynamically look at the whole entire window

I have a peice of SQL that I am using to generate this table - patient status lag_start_date thru_dt group 10000 30 ... Notice that the last record is also given the same group....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

661 views

1 answer

composer 自定义开发包无法使用

最近学习开发composer 扩展包;根据网上的教程，开发完成后，上传到github; 然后发布到： https://packagist.org/package... 使用composer require ckryo/ ... .. packagist地址： https://packagist.org/package... 请大神们指导一下 ...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

210 views

1 answer

node.js - JavaScript: Simple Perceptron fails to train

I tried to make simple perceptron for predicting true or false, where 1 means true and false means -1. but my ... // re adjust the weights } } } export default Perceptron;...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

869 views

1 answer

codeblocks - Do I need something else for using code blocks for Fortran?

I want to learn Fortran, and I heard that code blocks is great for beginners. I also heard that it has a compiler and gnu ... I need to install some other thing for it? If so what?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

406 views

1 answer

webpack引入css报错

module: { loaders: [ {test: /.css$/, loader: 'style!css'} ] } 上面是配置 require('./index.css'); 这里是引入css文件 ERROR in ./entry ... loader' instead of 'style'. @ ./entry.js 3:0-22 这里是报错求助...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

568 views

1 answer

ruby on rails 5 - rspec NameError: uninitialized constant DoctorMetric # ./doctor_metric_spec.rb:3:in `<top (required)>'

bundle exec rspec doctor_metric_spec.rb An error occurred while loading ./doctor_metric_spec.rb. Failure/Error: describe ... 0 failures, 1 error occurred outside of examples...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

465 views

1 answer

Vue transition js钩子设置过渡动画动画执行时间在哪写

用Vue transition钩子写一个过渡动画，执行的时候直接到了最后状态。 transition js钩子的写法动画执行时间怎么设置...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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