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Algorithm to find top 10 search terms
... above:
Manku, Motwani - "Approximate Frequency Counts over Data Streams" [pdf]
By the way, Motwani, of Stanford, (edit) was an author of the very important "Randomized Algorithms" book. The 11th chapter of this book deals with this problem. Edit: Sorry, bad reference, that particular chapter is on...
What are some (concrete) use-cases for metaclasses?
...umber()
Some other techniques: Ingredients for Building a DSL in Python (pdf).
Edit (by Ali): An example of doing this using collections and instances is what I would prefer. The important fact is the instances, which give you more power, and eliminate reason to use metaclasses. Further worth no...
How to get client's IP address using JavaScript?
..., {
"code" : "zh",
"name" : "Chinese",
"native" : "中文"
} ],
"tld" : ".sg"
},
"region" : {
"code" : null,
"name" : "Singapore"
},
"city" : "Singapore",
"postal" : "96534",
"latitude" : 1.28967,
"longitude" : 103.85007,
...
TCP 的那些事儿(上) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...处理正常的大负载的连接的情况。因为,synccookies是妥协版的TCP协议,并不严谨。对于正常的请求,你应该调整三个TCP参数可供你选择,第一个是:tcp_synack_retries 可以用他来减少重试次数;第二个是:tcp_max_syn_backlog,可以增大SY...
What and where are the stack and heap?
...language standard (available at open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf ), requires a "stack". In fact, the word 'stack' does not even appear in the standard. This answers statements wrt/ to C's stack usage are true in general, but is in no way required by the language. See knosof.co.uk/cbo...
How do we control web page caching, across all browsers?
...and answer are targeted on "web pages" (HTML pages), not "file downloads" (PDF, zip, Excel, etc). You'd better have them cached and make use of some file version identifier somewhere in URI path or querystring to force a redownload on a changed file. When applying those no-cache headers on file down...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...分别是Alfred Aho、Brian Kernighan、Peter Weinberger。gawk是awk的GNU版本,它提供了Bell实验室和GNU的一些扩展。下面介绍的awk是以GUN的gawk为例的,在linux系统中已把awk链接到gawk,所以下面全部以awk进行介绍。
2. awk命令格式和选项
...
Getting the closest string match
...information and links to primary research papers. The ELAND link goes to a PDF with useful figures illustrating the concepts involved, and shows how to deal with insertions and deletions.
Finally, while these algorithms have basically solved the problem of (re)sequencing single human genomes (a bil...
What does multicore assembly language look like?
...om/help/topic/com.arm.doc.dht0008a/DHT0008A_arm_synchronization_primitives.pdf
Tested on Ubuntu 18.10, GCC 8.2.0, Binutils 2.31.1, QEMU 2.12.0.
Next steps for more convenient programmability
The previous examples wake up secondary CPU and do basic memory synchronization with dedicated instruction...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...等等。至此,一个RTD Server的生命周期就结束了。
一 C#版实例
来源:http://www.cnblogs.com/makemelaugh/archive/2008/11/06/1327960.html
创建一个项目ExcelRTD,添加Microsoft.Office.Interop.Excel引用。创建一个类MarketData.cs,这个类继承IRtdServer接口...