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Calculate distance between 2 GPS coordinates
How do I calculate distance between two GPS coordinates (using latitude and longitude)?
29 Answers
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Strings as Primary Keys in SQL Database [closed]
I am not very familiar with databases and the theories behind how they work. Is it any slower from a performance standpoint (inserting/updating/querying) to use Strings for Primary Keys than integers?
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Disable HttpClient logging
...egration test suite. The default logging for HttpClient is extremely noisy and I can't seem to turn it off. I've tried following the instructions here but none of them make any difference.
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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。本文源码来自互联网、由清泛网编译整理。
http://blog.csdn.net/otherhill/article/details/18716559
http://www.cnblogs.com/xianyunhe/archive/2011/09/25/2190485.html
http://blog.sina.com.cn/s/blog_6e51df7f01015cci.html
感谢原作者的无私奉献。
通过VC实现对Excel...
MongoDB aggregation framework match OR
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Your answer is not correct, and as you can see, I already commented explaining where and how the answer is incorrect.
– Paul Shapiro
Jun 28 '16 at 23:34
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Mark parameters as NOT nullable in C#/.NET?
...pile time to make sure the literal null isn't being used anywhere for it and at run-time throw ArgumentNullException .
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What is the difference between MySQL Server and MySQL Client
...tu I normally install both but what are the differences between the client and server for MySQL.
3 Answers
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Conversion of a datetime2 data type to a datetime data type results out-of-range value
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I changed my datacolumns and used typeof now... Further I found my problem. there was 1 datarow that contained a wrong date, which triggered the error
– Gerbrand
Aug 26 '09 at 5:46
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Preferred Java way to ping an HTTP URL for availability
...ve to somehow close the connection?
No, you don't explicitly need. It's handled and pooled under the hoods.
I suppose this is a GET request. Is there a way to send HEAD instead?
You can cast the obtained URLConnection to HttpURLConnection and then use setRequestMethod() to set the request ...
Error “gnu/stubs-32.h: No such file or directory” while compiling Nachos source code
I am trying to install Nachos on my laptop and I have Ubuntu 11.04 on the laptop.
11 Answers
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