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Simple calculations for working with lat/lon and km distance?
...d the conversion factor is just the Earth's polar circumference divided by 360 degrees. But it's different for east-west measurements, because (except for the equator) you're not measuring along a "great circle", so the "circumference" at a given latitude is smaller. And the correction factor turn...
HTTP vs HTTPS performance
...d time over unsecure HTTP and encrypted HTTPS connections. Both pages load 360 unique, non-cached images (2.04 MB total).”
The results may surprise you.
It's important to have an up to date knowledge about the HTTPS performance because the Let’s Encrypt Certificate Authority will start issuing...
How do you create a dropdownlist from an enum in ASP.NET MVC?
... that in newer ASP.NET MVC there is a native way: stackoverflow.com/a/22295360/1361084
– Ofiris
Jan 28 '15 at 16:22
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show 6 more comments
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What are POD types in C++?
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360
Very informally:
A POD is a type (including classes) where the C++ compiler guarantees that th...
Exotic architectures the standards committees care about
...TMS32F28xx has CHAR_BIT=16. GCC 3.2 for PDP-10 has CHAR_BIT=9. I think, S/360 may have a not-8bit char too.
– osgx
Aug 7 '11 at 9:52
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Best way to store time (hh:mm) in a database
...count daylight saving or countrywide).
E.g.
TimeOffset=(±Longitude.24)/360
...where ± refers to east or west direction.
It is therefore worth considering if it would be worth storing longitude, latitude and altitude along with the data. This will vary in application.
ISO8601 is an interna...
if, elif, else statement issues in Bash
...not it became a canonical way to fix this error, which looks quite useful (360K views and counting).
– fedorqui 'SO stop harming'
Nov 16 '18 at 15:02
3
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Cost of len() function
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360
It's O(1) (constant time, not depending of actual length of the element - very fast) on every ...
推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...序来推荐给用户。
这种算法的优点是简单，适用于刚注册的新用户。缺点也很明显，它无法针对用户提供个性化的推荐。基于这种算法也可做一些优化，比如加入用户分群的流行度排序，例如把热榜上的体育内容优先推荐给...