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How does the HyperLogLog algorithm work?
...e final value by taking the mean value of each substream.
That's the main idea of this algorithm. There are some missing details (the correction for low estimate values, for example), but it's all well written in the paper. Sorry for the terrible english.
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How can I disable the UITableView selection?
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@Tony It's bad idea if you have a UITextField inside the cell.
– Aniruddh
Sep 18 '11 at 13:53
73
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Unsupported major.minor version 52.0 [duplicate]
...ys better to have the JDK and JRE pointed to the same version.
In IntelliJ IDEA,
Go to Maven Settings → Maven → Importing. Set the JDK for importer to 1.8.
Go to Maven Settings → Maven → Runner. Set the JRE to 1.8.
Go to menu File* → Project Structure → SDKs. Make sure the JDK home path...
Why does PHP 5.2+ disallow abstract static class methods?
... just stupid since PHP has "late static binding", which naturally provides idea of using static methods as if class itself had been an object (like, say, in ruby). Which leads to static method overloading and abstract static may be useful in this case.
– dmitry
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Event Signature in .NET — Using a Strong Typed 'Sender'? [closed]
...ng does not follow the .NET guidelines, and, therefore, is probably a poor idea for this reason alone. However, I would like to consider this from two possible perspectives:
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How do I turn off the unlimited whitespace in IntelliJ editor?
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Note that for Intellij IDEA 11 for mac, settings are placed under the IntelliJ IDEA menu and called preferences. (Maybe some sort of mac default ?)
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【Mixly×AI2系列·第5讲】手机发指令控制LED/舵机：蓝牙双向通信实战① - ...
...块 → 舵机跟随转动
七、常见问题
• 连接失败 → 未在系统蓝牙中配对，先配对再进 App
• 上传程序失败 → HC-05 占用串口，上传时拔掉 TX/RX
• 指令无反应 → 波特率不一致，确认双方都是 9600
• iPhone 连不上 → iOS 不支...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
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A Very Bad Idea for a multitude of reasons.
– Adam Lassek
Jan 5 '09 at 22:25
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自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
...可以查看下Makefile，代码很长很复杂。当然我们可以直接在Makefile文件中写编译规则，只是这样复杂度很高，且修改起来不灵活。
为了解决这个难题，GNU推出了automake，根据简单的规则自动生成复杂的Makefile，automake help文档如下...
Can't choose class as main class in IntelliJ
... your source and test roots and it should work.
https://www.jetbrains.com/idea/webhelp/configuring-content-roots.html
Since you stated that these are tests you should probably go with them marked as Test Source Root instead of Source Root.
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