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316 views

1 answer

java - Java泛型实践的挑战[关闭](Challenges for java generics practice [closed])

Closed.) 关闭 )) This question is off-topic . 这个问题是题外话 ) It is not currently accepting answers. 它当前不接受答案 ) Want to improve ... 请在此处写下一些有趣的挑战-非常感谢！) ask by DmitriyS translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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423 views

1 answer

django - 如何过滤外键项？(How to filter foreign key item?)

I am not sure if I put correct title for what I need but here is the thing. (我不确定我是否需要正确的标题，但这就是问题 ) ... Motion Device 1 2019-11-30 17:13:05.987487 ask by erondem translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

350 views

1 answer

c# - 在C＃中样式化列表框项目，而无需更改项目本身(Style listbox items in c# without changing the item itself)

I need to style a listbox item when creating it like so: (我需要在创建列表框项目时设置其样式，如下所示：) if (CheckOnline(item)) { listBox.Items.Add ... 向用户发送信号，表明该商品目前无法使用 ) ask by ZCT translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

402 views

1 answer

linux - Chmod 777到一个文件夹和所有内容[重复](Chmod 777 to a folder and all contents [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) How do I change permissions for a folder and all of its ... .htaccess. (我猜是通过.htaccess ) ask by RSM translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

847 views

1 answer

visual-studio - 错误消息“未找到与约束合同名称匹配的导出”(Error message “No exports were found that match the constraint contract name”)

This morning I faced a problem while opening my Visual Studio solution, and when I tried to run it, it said: (今天早上我在打开Visual ... 该如何解决这个问题？) ask by Simon B.Robert translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

503 views

1 answer

python - 在Cython中包装一个返回复杂类型的Vector的函数(Wrapping a function returning a Vector of Complex types in Cython)

I'm currently trying to wrap a C++ class I have created. (我目前正在尝试包装我创建的C ++类 )One of the functions returns a vector of ... 有更好的解决方法，请也让我知道-谢谢！) ask by Nunnsy translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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301 views

1 answer

hadoop - Hive中的序列号UDF(Sequence Number UDF in Hive)

i have tried this UDF in hive : UDFRowSequence . (我已经在蜂巢中尝试了这个UDF： UDFRowSequence ) But its not generating unique value ie ... 便为每个记录生成唯一的编号) ask by Elvish_Blade translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

807 views

1 answer

google-chrome - Safari上的网格区域似乎不起作用(Grid areas on safari does not appear to work)

I have been developing a largish single page application that will be running on a local lan - ie not open to the public ... section> </body> </html> ask by akc42 translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

396 views

1 answer

asp.net-core - 发展的秘密(Secrets in development)

In development is there a good way to store secrets in environment variables and not to have them in git? (在开发中，有什么好方法可以将机密存储在 ... 于开发和生产的相同的秘密加载代码 ) ask by Jonas translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

534 views

1 answer

json - 最好以JSON形式将文件和关联数据发布到RESTful WebService(Posting a File and Associated Data to a RESTful WebService preferably as JSON)

This is probably going to be a stupid question but I'm having one of those nights. (这可能是一个愚蠢的问题，但是我有一个夜晚 )In an application ... ）可以访问这些服务（如果有区别的话） ) ask by Gregg translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

358 views

1 answer

jquery - 获取所选元素的外部HTML(Get selected element's outer HTML)

I'm trying to get the HTML of a selected object with jQuery. (我正在尝试使用jQuery获取选定对象的HTML )I am aware of the .html( ... jQuery（1.4.2）提供了任何一种outerHtml功能？) ask by Ryan translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

485 views

1 answer

c++ - 为什么我们需要C ++中的虚函数？(Why do we need virtual functions in C++?)

I'm learning C++ and I'm just getting into virtual functions. (我正在学习C ++，并且刚开始使用虚函数 ) From what I've read (in the book ... . (我只是无法在网上找到直接的答案 ) ask by Jake Wilson translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

290 views

1 answer

javascript - 滚动到div的底部？(Scroll to bottom of div?)

I am creating a chat using ajax requests in rails and I'm trying to get a div to scroll to the bottom without much luck. (我正在 ... 有办法在ajax请求后将其滚动到底部？) ask by dMix translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

673 views

1 answer

git - 从GitHub下载单个文件(Download single files from GitHub)

I guess most of you, developers, use any VCS , and I hope some of you use Git. (我想你们中的大多数开发人员都使用任何VCS ，并且希望你们中的 ... ? (还是为开源项目提供免费的托管和VCS？) ask by Radek Simko translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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322 views

1 answer

java - Double上的数学运算结果是否完全可重复？(Are results from math operations on Double exactly repeatable?)

I have a complex data processing algorithm implemented using Java 8 and using Double as data type. (我有一个使用Java 8并使用 ... ，我们需要Java级别的Double ) ask by MoZZoZoZZo translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

349 views

1 answer

php - 是否有人将$ wpdb转换为独立的通用数据库处理类？(Has anyone converted $wpdb to a standalone generic database handling class?)

After using Wordpress and $wpdb for a while, I've come to really appreciate the clean and simple way they handle database queries. ... 搜索未返回任何结果 ) ask by Mikepote translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

490 views

1 answer

git - 如何丢弃Git中未进行的变更？(How do I discard unstaged changes in Git?)

如何丢弃工作副本中未包含在索引中的更改？ ask by Readonly translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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992 views

1 answer

sqlalchemy - Flask-SQLAlchemy导入错误。 “进口但未使用”(Flask-SQLAlchemy import error. “Imported but unused”)

I used sqlacodegen to extract the a .py file containing classes of my db tables. (我使用sqlacodegen提取了一个.py文件，其中包含我的数据库表 ... ? (我在这里做错什么吗？) ask by Gourab Chakraborty translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

596 views

1 answer

amazon-web-services - 如何在AWS Whm服务器上托管多个域？(How to Host multiple domain at aws whm server?)

Please help me with this, I have an ec2-instance in aws and i have used centos to install WHM & Cpanel in it. (请帮助我 ... help me. (请帮助我 ) ask by Rishi Kashyap translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

485 views

1 answer

java - 跳棋游戏捕获逻辑的实现(Implementation of Capture Logic For Checkers Game)

I need help with the capture logic for my Android Application. (我需要有关Android应用程序捕获逻辑的帮助 ) I have implemented movement where ... . (请帮助我解决此问题 ) ask by PandaMan108 translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

465 views

1 answer

javascript - TypeORM nestjs-选择使用相同存储库的联接表中的用户(TypeORM nestjs - Select user that is in a join table using the same repository)

This is more of an architecture problem. (这更多是架构问题 )I can solve this issue by accessing two repositories (you will ... given user ids ... } ask by Ben Beri translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

381 views

1 answer

javascript - 如何在散点图中选择数据点并使用所选的数据点更新条形图(How to make a selection of datapoints in the scatterplot and update barchart with those datapoints selected)

I have plotted a scatterplot and a barchart. (我已经绘制了一个散点图和一个条形图 )I want to link them and update the data in the ... charts. (在这个jsfiddle中，我有两个图表 ) ask by gty1996 translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

559 views

1 answer

python - 在运行eval而不删除空字节的情况下如何解决“源代码字符串不能包含空字节”(How to get around “source code string cannot contain null bytes” when eval is run without removing the null bytes)

I have a program where I encrypt class.__dict__ and save it to a file in an array so the file looks something like ... )Please help. (请帮忙 ) ask by Stemboy4002 translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

538 views

1 answer

networking - K8s：将流量通过Pod路由到子网(K8s: routing traffic to a subnet through a pod)

I'm running an app on Kubernetes / GKE. (我正在Kubernetes / GKE上运行一个应用程序 ) I have a bunch of devices without a public IP. (我有 ... 惯用的解决方案从其他Pod访问Pod专用网络？) ask by amq translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

391 views

1 answer

android - Android-Google Play结算：在应用内订阅更新中添加通知(Android - Google Play Billing : Adding notifications on In-App Subscription updates)

What I have accomplished : (我完成了什么：) Google Play billing works and I am able to purchase a subscription successfully. ... Cloud Pub / Sub) ask by Expo Speta translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

568 views

1 answer

sql - 使用GO，“ CREATE VIEW”必须是查询批处理中的第一个语句”错误('CREATE VIEW' must be the first statement in a query batch' error using GO)

I have the following query: (我有以下查询：) CREATE VIEW VIEW#1 AS SELECT * FROM rota go --view#02 - apresentar os voos ... why? (有人知道为什么吗？) ask by miguel__frtt translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

347 views

1 answer

python - 构建树：如何在python中格式化父级和子级列表(Build tree : how to format a parent and children list in python)

I need to change the format of a list following a tree structure where a parent can have multiple children (not a binary ... . (先感谢您 ) ask by Sourou Cerulean translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

362 views

1 answer

java - 从http请求android获取内容，内容格式错误(Getting content from http request android, conent ill-formed)

I am trying to connect to the twitter API using OAuth2 method toget the bearer token. (我正在尝试使用OAuth2方法连接到twitter API以获取承载令牌 ) ... 索为什么我会收到这样的答复？) ask by M. Boutin translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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