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Any reason why scala does not explicitly support dependent types?

...a type constructor - a value for that is here: github.com/scala/scala/blob/v2.10.3/src/library/scala/…, and doesn't seem particularly different than a witness for an equality proposition in dependently-typed languages like Agda and Idris: refl. (See www2.tcs.ifi.lmu.de/~abel/Equality.pdf section 2...
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Verifying signed git commits?

...ication codepaths for signed tags and signed commits in mid 2015 at around v2.6.0-rc0~114, we accidentally loosened the GPG signature verification. Before that change, signed commits were verified by looking for "G"ood signature from GPG, while ignoring the exit status of "gpg --verify" process...
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When should I use OWIN Katana?

... In asp.net WebApi v2, the OWIN pipeline becomes the default. It is eventually going to be the standard pipeline under any asp.net project. I cannot put it better than what is written here : http://www.asp.net/aspnet/overview/owin-and-katana/a...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

...ens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking. How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (in the case that the mutex...
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MQTT物联网协议完全实践指南 · App Inventor 2 中文网

... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
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How can I prevent SQL injection in PHP?

...ions (for example there was a view template injection hole in F3 framework v2) if you have a ready old website or app is suffering from injection defects , one solution is to reassign the values of your supperglobal predefined vars like $_POST with escaped values at bootstrap. By PDO, still it is po...
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Why does struct alignment depend on whether a field type is primitive or user-defined?

In Noda Time v2, we're moving to nanosecond resolution. That means we can no longer use an 8-byte integer to represent the whole range of time we're interested in. That has prompted me to investigate the memory usage of the (many) structs of Noda Time, which has in turn led me to uncover a slight ...
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What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?

...Using machine configuration file from C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\machine.config. LOG: Post-policy reference: Rhino.Mocks, Version=3.5.0.1336, Culture=neutral, PublicKeyToken=0b3305902db7183f LOG: Attempting download of new URL [...]. WRN: Comparing the assembly name resul...
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App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网

... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 低功耗蓝牙 BlueToothLE ...
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What is the difference between Bower and npm?

...dep A v1.0 dep B v1.0 dep A v1.0 (uses root version) dep C v1.0 dep A v2.0 (this version is different from the root version, so it will be an nested installation) For more information, I suggest reading the docs of npm 3 ...