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New transaction is not allowed because there are other threads running in the session LINQ To Entity
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The pp variable isn't a collection of objects, it's an enumerator that can return objects. While you use the enumerator, the source has to remain open.
Use the ToList method to realise the enumerator into a collection. That will...
How can I add reflection to a C++ application?
...ng native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this information?
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携程遭超长宕机：内部数据管理恐存严重漏洞 - 资讯 - 清泛网 - 专注C/C++及内核技术
...会进行破坏性操作”。
腾讯安全专家分析称，根据目前官方透露的信息判断，携程网站数据层、网络层均没问题，那么问题就在应用层或存储逻辑层。很可能关键性的系统部署和配置数据已被删除或篡改了。
不过，前支付宝...
Flattening a shallow list in Python [duplicate]
...hat's iterable, which should include Django's iterable QuerySets, which it appears that you're using in the question.
Edit: This is probably as good as a reduce anyway, because reduce will have the same overhead copying the items into the list that's being extended. chain will only incur this (same...
Evenly distributing n points on a sphere
....cos(theta) * radius
z = math.sin(theta) * radius
points.append((x, y, z))
return points
1000 samples gives you this:
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App Inventor 2 Personal Image Classifier (PIC) 拓展：自行训练AI图像识...
...绍
开发步骤
在线训练AI模型，生成模型数据，下载给PIC拓展使用
App Inventor 2 使用拓展及AI模型数据，对图像进行识别和分类
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PersonalImageClassifier (PIC) 拓展
.aix 拓展下载：
PersonalImageClassifier.ai...
iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...kenerl破解补丁，否则升级后坏死，得重装。升级采用自己下载Combo升级文件（如MacOSXUpdCombo10.6.7.dmg）；（4）升级完成，再用darwin_snow_legacy.iso已无法引导系统，换成Rebel EFI.iso。至此大概完成Mac OSX系统的安装。下面是要用到的各种...
【免费下载】Alibaba Sans Font字体 - App应用开发 - 清泛IT论坛，有思想、有深度
阿里巴巴Sans系列字体下载，设计师必备字体。
源英文网站可以免费下载字体：
[hide]https://fontmeme.com/fonts/alibaba-sans-font/[/hide]
Rails 3: “field-with-errors” wrapper changes the page appearance. How to avoid this?
...}</div>".html_safe
}
You can override it by putting this in your application's class inside config/application.rb:
config.action_view.field_error_proc = Proc.new { |html_tag, instance|
html_tag
}
Restart rails server for this change to take effect.
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App Inventor 2 怎么在模拟器里面安装/更新最新版AI伴侣？ - App Inventor ...
问：请问怎么在mu模拟器里面下载ai伴侣呀？它又更新了，我不知道怎么更新
答：
步骤如下：
1、电脑上安装网易mumu模拟器，请自行下载安装。2、下载最新版AI伴侣 apk安装包到电脑上：
最新版AI伴侣下载地址：https://www.fun12...