2014/10/15 下午 10:11:23

iphone Programming Glossary: mile

UIImage imageNamed requires pathForResource?

http://stackoverflow.com/questions/10380842/uiimage-imagenamed-requires-pathforresource

imageNamed I see tutorial codes that just specifies the name of the image directly and then code that goes the extra mile to find the path first. In my experience I've always just used the name directly and it's always worked fine. I assumed..

How do I determine if a coordinate is in the currently visible map region?

http://stackoverflow.com/questions/1197398/how-do-i-determine-if-a-coordinate-is-in-the-currently-visible-map-region

for those locations currently on the screen. The screen starts with the user's current location with a 2 mile radius. Of course the user can scroll and zoom on the screen. Right now I wait for a map update event and then loop through..

SQL Query for Performing Radius Search based on Latitude Longitude

http://stackoverflow.com/questions/1727137/sql-query-for-performing-radius-search-based-on-latitude-longitude

each row. We need to write a query that performs a search to find all restaurants within the provided radius e.g. 1 mile 5 miles etc. We have the following query for this purpose Parameters Longitude 74.008680 Latitude 40.711676 Radius 1 mile.. row. We need to write a query that performs a search to find all restaurants within the provided radius e.g. 1 mile 5 miles etc. We have the following query for this purpose Parameters Longitude 74.008680 Latitude 40.711676 Radius 1 mile Query.. 5 miles etc. We have the following query for this purpose Parameters Longitude 74.008680 Latitude 40.711676 Radius 1 mile Query SELECT FROM restaurant WHERE POW 69.1 Longitude 74.008680 cos 40.711676 57.3 2 POW 69.1 Latitude 40.711676 2 1 1 The..

Measuring time the vehicle takes to accelerate in iPhone

http://stackoverflow.com/questions/4654864/measuring-time-the-vehicle-takes-to-accelerate-in-iphone

in iPhone How to measure time the vehicle takes to accelerate from 0 to 100 km h 0 60 mph in 400meters a quarter mile using iPhone accelerometer I have situation where i need to calculate the time the vehicle takes to accelerate from 0 to.. situation where i need to calculate the time the vehicle takes to accelerate from 0 to 100km h in a 400 meters quarter mile i need to implement this using iPhone accelerometer. iphone accelerometer distance share improve this question You..

how to make mapview zoom to 5 mile radius of current location

http://stackoverflow.com/questions/5025339/how-to-make-mapview-zoom-to-5-mile-radius-of-current-location

to make mapview zoom to 5 mile radius of current location I know its a very common issue but I am not getting the exact answer for this thing. How to.. common issue but I am not getting the exact answer for this thing. How to make MKMapView defaults to a zoom of a 5 mile radius of current location. Thanks in advance. iphone objective c mkmapview zoom share improve this question Use the.. objective c mkmapview zoom share improve this question Use the following code when ever you want to zoom to 5 miles radius double miles 5.0 double scalingFactor ABS cos 2 M_PI newLocation.coordinate.latitude 360.0 MKCoordinateSpan span..

iPhone CoreLocation: How to get the most accurate speed

http://stackoverflow.com/questions/582511/iphone-corelocation-how-to-get-the-most-accurate-speed

walking or running. So what I want to use GPS for is to show the speed that the person is moving in Mph and minute mile. How should I configure the CLLocationManager so I get the best possible results What should I set desiredAccuracy and distanceFilter..

Dispelling the UIImage imageNamed: FUD

http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud

to make a reasoned decision about where I can trust the system to cache my images and where I need to go the extra mile and do it myself. My current basic understanding is that it's a simple NSMutableDictionary of UIImages referenced by filename...