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数据结构、算法复杂度一览表 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
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图G(V,E), V为顶点集, E为边集
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BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...）：此时即不发送数据，也不接收数据，对设备来所也是最节能的状态；通告状态（Advertising State）：通告状态下的设备一般也被称为“通告者”（Advertiser），它会通过advertising channel（广播通道）周期性发送数据，广播的数据...
stop all instances of node.js server
...kill a specific node process , you can go to command line route and type:
ps aux | grep node
to get a list of all node process ids. now you can get your process id(pid), then
do:
kill -9 PID
and if you want to kill all node processes then do:
killall -9 node
-9 switch is like end task on wi...
Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
...dont deprecate this it will still happen - feel free to coment in the year 2025 and on ;-)
– Mauricio Gracia Gutierrez
Oct 8 '19 at 14:39
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How to split long commands over multiple lines in PowerShell
... If you're running powershell 3 or higher, see github.com/lzybkr/psreadline - history traversal is fixed for multiline statements.
– x0n
Oct 6 '13 at 23:06
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use
...he following error when I try to run a simple JSP program on Tomcat in Eclipse.
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写出高质量代码的10个Tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...学甚至都没有了解过重构的概念。
5. 技术债务
知乎上最近有个热门问题《为什么有些大公司技术弱爆了?》，其实里面提到的很多归根结底都是技术债务问题，这在一些大公司尤为常见。技术债务话题太大，但就代码质量而言...
Git in Powershell saying 'Could not find ssh-agent'
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C:\Users\Haacked\Documents\WindowsPowerShell\Microsoft.Powershell_profile.ps1
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How to programmatically determine the current checked out Git branch [duplicate]
...contrib/completions/git-completion.bash does that for bash prompt in __git_ps1. Removing all extras like selecting how to describe detached HEAD situation, i.e. when we are on unnamed branch, it is:
branch_name="$(git symbolic-ref HEAD 2>/dev/null)" ||
branch_name="(unnamed branch)" # detac...
从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...法计算相似性（标准差为0，做除数）。
该相似度并不是最好的选择，也不是最坏的选择，只是因为其容易理解，在早期研究中经常被提起。使用Pearson线性相关系数必须假设数据是成对地从正态 分布中取得的，并且数据至少在...