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Simple calculations for working with lat/lon and km distance?
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The approximate conversions are:
Latitude: 1 deg = 110.574 km
Longitude: 1 deg = 111.320*cos(latitude) km
This doesn't fully correct for the Earth's polar flattening - for that you'd probably want a more complicated formula using the WGS84 reference ellipsoid (the model use...
How to select date without time in SQL
...people come looking for solutions to their problem, not the authors. So if 110 people found this worked for them I think it's fair that it has 110 upvotes.
– James
Jun 18 '15 at 11:37
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Why does Java switch on contiguous ints appear to run faster with added cases?
... ; - javaapplication4.Test1::multiplyByPowerOfTen@110 (line 64)
; {section_word}
0x000000000287fef8: jmp 0x000000000287ff16
0x000000000287fefa: mulsd xmm0,QWORD PTR [rip+0xfffffffffffffe5e] # 0x000000000287fd60...
How to remove an item for a OR'd enum?
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What about xor(^)?
Given that the FLAG you are trying to remove is there, it will work.. if not, you will have to use an &.
public enum Colour
{
None = 0, // default value
RED = 2,
BLUE = 4,
GREEN = 8,
YELLOW ...
How to get the Power of some Integer in Swift language?
...\(2 ^^ 3)") // Prints 2³ = 8
I used two carets so you can still use the XOR operator.
Update for Swift 3
In Swift 3 the "magic number" precedence is replaced by precedencegroups:
precedencegroup PowerPrecedence { higherThan: MultiplicationPrecedence }
infix operator ^^ : PowerPrecedence
func ^...
Move all files except one
...iano Very cool command! Are there more mathematical operations like OR and XOR? I assume a pipe is for AND.
– Léo Léopold Hertz 준영
Mar 22 '09 at 3:39
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Getting key with maximum value in dictionary?
... 33: 27, 34: 14, 35: 14, 36: 22, 4102: 39, 38: 22,
39: 35, 40: 9, 41: 110, 42: 9, 43: 30, 44: 17, 45: 17, 46: 17, 47: 105, 48: 12,
49: 25, 50: 25, 51: 25, 52: 12, 53: 12, 54: 113, 1079: 50, 56: 20, 57: 33,
58: 20, 59: 33, 60: 20, 61: 20, 62: 108, 63: 108, 64: 7, 65: 28, 66: 28, 67: 28...
海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...距离为3。对于二进制字符串的a和b，海明距离为等于在a XOR b运算结果中1的个数（普遍算法）。
为了高效比较，我们预先加载了库里存在文本并转换为simhash code 存储在内存空间。来一条文本先转换为 simhash code，然后和内存里的...
Git: Show all of the various changes to a single line in a specified file over the entire git histor
...4, there is a more direct way to answer your question.
Assuming that line 110 is the line saying var identifier = "SOME_IDENTIFIER";, then do this:
git log -L110,110:/lib/client.js
This will return every commit which touched that line of code.
[Git Documentation (see the "-L" command line param...
Need a good hex editor for Linux [closed]
...y ~10 MegaBytes while opened multiple > ~8GB files.
Could operate thru XOR encryption.
Written with C++/wxWidgets GUI libs and can be used with other OSes such as Mac OS, Windows as native application.
You can copy/edit your Disks, HDD Sectors with it.( Usefull for rescue files/partitions by han...