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apache poi - Adopt OpenJDK 11 support for running programs built with POI 3.15 and oracle JDK1.8

I have some queries on compatibility: We intend to compile build our code with Oracle JDK 1.8 on a development machine. However ... POI 3.9 and 3.15 compatible with MS Excel 2019?...

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

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Rasa not installing on Digital Ocean

I am trying to install rasa 2.0.0 on digital ocean. I created a directory for the bot and created a virtual ... having websites. Can you please suggest how can I proceed ??...

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

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c# - OnCollisionExit() Not Working on my script unity?

I Am Working With Unity 3d and know little scripting and unity well. I Came To a point where I don't know what to do. My ... dec") { freeze = false; Debug.Log("oh"); } } }...

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

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相当于分组数据的合并，两个列表生成dataframe，但长度不同

举个例子 ntest=['a','b'] ltest=[[1,2],[4,5,6]] 最后我想得到下面这种结果： a 1 a 2 b 4 b 5 b 6 这种该怎么做呢？...

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

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python - Numpy multiplication much slower after reversal

I was multiplying two numpy arrays: import numpy as np X = np.random.randn(4500,3500) v = np.random. ... False Why the reversion operation slows down multiplication so badly ?...

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

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怎么用fetch+async模拟jQuery.when

单个fetch+async (async() => { try { var response = await fetch(url); var data = await response.json(); console.log( ... ..reqArr).done(function (...data) { } 类似 requestByFetch(urls)...

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

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小程序如何点击获取下标

<view class="buy-course-box"> <view class="buy-selects buy-card"> <label class="course-label" wx:for="{{cardName}}" bindtap="setCard"> < ... > </view> </view> 我想点击取下标但是没有成功，应该怎么做...

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

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服务器端使用json返回数据，请问大小的极限是多少？

我们想在后端查了服务器之后，返回数据量未知的json对象（每一条就是一个笔记数据）给前端。有可能上万条。请问这样靠一个请求返回可以吗？有没有字符长度限制？多谢...

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

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Not all Information is appearing in Kibana (Serilog)

When I run my AspNetCore V5 app I only see logging appear in Kibana up to the point I call CreateHostBuilder(args). So, in ... ); throw; } finally { Log.CloseAndFlush(); } } } }...

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

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使用angular js+ionic +cordova开发手机APP扫描二维码时报错怎么解决？

controller代码： .controller('saomaController',function ($scope,$cordovaBarcodeScanner) { $scope.scanStart = function () { ... .android.SCAN cat=[android.intent.category.DEFAULT]pkg}...

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

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mysql - Create a table and check for an attribute if it already exists in another table. Only then Save it

I want to create a table with the values ?name and ?immobilien-id . Both are the primary key. But there should be a ... id) ); How can i put a IF EXIST into this Statement?...

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

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file_put_contents permission denied

题主的环境是vmware+ubuntu+laravel+nginx+mysql 设置了vm的共享文件夹在ubuntu下的地址/mnt/hgfs/htdocs/data_web htdocs的权限如下 laravel项目的权限如下 nginx的权限如下代码 ... //segmentfault.com/a/11...这个问题下的解决思路，但是不知该如何添加？...

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

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服务器的路由配置问题

现在需要实现如下的目录结构每个页面都有单独的文件夹，并且包含私有的图片样式等资源，页面的引用使用相对目录比如：<img src="images/logo.png"> 静 ... pages（页面文件目录） index index.css index.js index.html login login.css login.js login.html...

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

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PHP请求http post 页面，报错该如何解决？

代码： <?php /** * PHP发送Json对象数据 * * @param $url 请求url * @param $jsonStr 发送的json字符串 * @return array */ function http_post_json($url, $jsonStr) ... 一个错误码，但是这个502是连返回错误码的机会都不给了求大神帮忙解决 ...

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

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html标签以外的空白

...

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

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java 文件路径问题

问题 windows下路径分割符'',java程序可识别的是''或'/',通过用户输入的路径进行转换，变成程序可识别的，但是转化后的路径程序不识别程序 import java.io.FileNotFoundException; ... { // TODO 自动生成的 catch 块 System.out.println("文件未找到"); } } }...

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

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weex-toolkit(v1.0.5)初始化工程后无法正常preview，一个难受的小问题麻烦尽快看看

一直在关注Weex的发展，也在不停的研究今天更新了weex-toolkit(v1.0.5)，重新初始化前端工程，启动服务后发现页面无法正常显示（以前的版本不会）操作步骤如下：查看版本： yulongshengdeMacBook-Pro:Downloads ... 都属于框架层面的小问题吧为啥每次更新总有些地方让开发者难受呢？？容易打击到开发者的信心～...

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

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523 views

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excel file wont transfer to sqlite via python

I am using python to download and save an xlsx file from the web using a url. Next, I am using python code ... .to_sql(filename_response, con=con, if_exists="replace") con.close()...

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

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$(this).innerHTML取出的是undefined,为什么

<!DOCTYPE html> <html> <head> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script> </head> <body> < ... "preview()">dghfh</td> </tr> </tbody> </table> </html>...

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

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问一个关于python json的问题？

想知道为什么这段代码运行的结果不是想象中的'["123"]' In [1]: import json In [2]: t = '[]' In [3]: t = json.dumps(json.loads(t).append('123 ... 17]: t1 = json.dumps(t1) In [18]: t1 Out[18]: '["123"]' 请指教...

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

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swiper.js在内容高度小于屏幕高度的时候设置autoHeight不好用

使用swiper.js实现选卡项切换切换但是各个选卡项的高度是不一样的数据也是异步加载进去的为了swiper-container自适应高度设置了autoHeight：true 但是发现当内容高度<屏幕高度的时候这个属性就不起作用了通过js设置改变了但是仍能向下滑动空白区域请问怎么解决...

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

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js如何实现指定深度的嵌套方法

今天遇见一个面试题，用js实现算法时发现一个问题，如何用js实现这样一个方法，给定一个函数和嵌套深度(int类型)，返回如下所示的一个嵌套的结构？给定参数：fn，deepLength 返回结构(以deepLength=3为例)： for (var ... 的实现方法呢？总结了一下大家的方法，放到了一个demo页面里，供大家参考附带链接面试题：分饼干...

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

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使用mongoose.createConnection连接数据库，当以post方式提交表单时，页面不跳转

使用mongoose.createConnection连接数据库，当以post方式提交表单时，页面无反应，比如登陆功能，当我输入用户名密码后，界面一直不跳转，但是后台已经正常的读取到用户的相关数据了 //此处是属性 ... req.session.msg = err; res.redirect('/login'); }); } }); }; 具体画面如下：...

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

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559 views

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function - SFML/C++ cells won't move

I am currently trying to make a cellular automata. I am just getting the basics of direction, movement and rendering. ... just refuse to move. Any help would be appreciated :)...

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

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c++ - Convert Text with spaces to Camel Case

i want to take a film name from user and change that to camel case , my code work if there is no numbers or spaces ... ; } i tried other topic solutions but i cant do it correctly....

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

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Android View形状变化动画

请教android View形状变化动画怎么实现，比如ImageView从圆的变成方的。有没有可供参考的库或者API？...

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

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angular解决动画问题

...

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

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apache spark - PySpark Stream - Check if the combination of columns exists in another dataframe

I have a data frame with the following schema: Name Timestamp Value A 2020-04-01T11:50:46.2470092Z 3.0 B 2020-04-01T11:50: ... 50:48.2470092Z 2.7 C 2020-04-01T11:50:48.2470092Z 2.5...

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

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