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, the Haversine formula is still used here.which R is the radius of the earth, the desirable mean 6371km; Φ1, φ2 represents the latitude of two points; Δλ represents the difference between two points of longitude. Distance calculation function based on 2 latitude and longitude coordinatesThe Below is a function that calculates the distance between spherical two points (LAT1, Lon1)-(LAT2, Lon2). Using system;using system.collections.generic;using system.linq;using system.te

Play Lol 3000 yuan dual-core dedicated display play League of Legends game configuration recommendations Accessory name Brand Model Reference Price Processor Intel Core G4500 (boxed) ￥549 Radiator Boxed built-in -- Graphics card Galaxy GTX750 Ti GAMER ￥869 Motherboard

The following is a detailed computer Configuration list. Learning online games are all 3000 yuan four core display students online Computer Configuration recommendation Accessory Name Brand model Reference price Processor AMD Fast Dragon II X4 870K (box) ￥369 Radiator Boxed Self-tape —— Graphics Ying Zhong gtx750ti Black Gold Extreme 2G GD5 ￥739 Motherboard Gigabyte F2A88XM-DS2 f

been here, I must give a suggestion: I must lay the foundation well. This is like Zhang Wuji practiced jiuyang's power, and then practiced everything quickly. internal strength is a basic skill and internal strength is good, it's up to you to be tempted, changing, but you can't leave it alone;Computer Configuration in the IDC (high score) 1: General professional data centerProcessor: amd x 2 64 4600 + AM2 (box) $405.Motherboard: Elite AMD690GM-M2 $370.Hard drive: Hitachi 160G/7200 RPM/8 M/seria

and status of an interfaceShow IP interface lists the state and global parameters of the interfaceShow IP protocols displays the parameters and current status of the active routing protocol processShow IP route displays the current status of the routing tableShow ip router displays IP routing table informationShow IPX interface shows the status of the IPX interface set by Cisco IOS software and the parameters in each interfaceShow IPX route displays the contents of the IPX routing tableShow IPX

Today in Ubuntu work suddenly appeared on the screen up and down a roughly 2 centimeters of black bar, feeling the screen was stretched horizontally, inexplicably, began to think that the simple adjustment of the resolution is good, in the system settings display found only two optional parameters, and the object is unknown, because previously did not notice here, Not aware of anything unusual. Change the inside of the various resolutions and other parameters, the screen is not back to normal st

consumption to choose. Brand, the first line of power brands are: Aviation Jia, the Great Wall, titanium grams, Taiwan Tatsu, Zhenhua and so on, followed by Goldenfield, Horse, Xin Valley, game titans and so on. 　　8, display brand Display brand Many brands, the first line of brands are: Dell, Samsung, LG, AOC and so on, in addition, Philips, ASUS, Acer, HP and other brands are also good. Monitor brand There are a lot of follow-up we will give you

: AOC e941s (LED screen) 699 Button Mouse Pack: Leibo N1800 wired Mouse Set 70 Total: 2805 CNY Computer Hardware Reviews: On the processor side, Intel Pentium G620 processor is an entry-level dual-core processor with a high naming rate. G620 's main frequency up to 2.8Ghz, with 3MB L3 cache, more importantly, it is based on Sandybridge architecture, the performance of the same. Because the heat of the G620 is very low, the normal fan can finish th

2 sets of 2000-Price AMD APU Configuration program, interested computer enthusiasts together to see, welcome to Pat Bricks. 2000 Yuan to buy what computer Configuration good? 2 sets of cost-effective APU Computer Configuration recommended accessories name brand model reference price processor amd APU a10-7890k (box) ￥899 heatsink boxed auto -- video card > Now the strongest

, the student party is short of money with ordinary a card should be able to do. With the power of the self is the rhythm of death Some of the chassis may have a self-contained power supply design, in order to low power integration platform and users do not need to buy power, but the general power of these power is around 250W, used to bring 8 cores and intermediate graphics card is to die, a careless boom is very likely to damage the hard drive, graphics and other hardware, strongly recommend

Nvidia introduced the G-sync technology at the end of last year, which can avoid the defects of traditional vertical synchronization technology by controlling the display's refresh rate, but G-sync technology needs hardware support and can only wait for the display of G-SNYC technology, this year the Q2 quarter began Asus, AOC, Philips Hanging Company's G-sync display will be listed in succession. Interested players also need to pay attention to some