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2014/10/15 ¤U¤È 10:14:39
iphone Programming Glossary: subtractString length with given font to fit UITextView 2 - The Return http://stackoverflow.com/questions/1095545/string-length-with-given-font-to-fit-uitextview-2-the-return up writing the recursive method below only called by the following public method . However this doesn't work unless I subtract a fudge factor of 15 kFudgeFactor from the field width when calculating the string's height. If I don't do that the string..
How does one subtract hours from an NSDate? http://stackoverflow.com/questions/1160977/how-does-one-subtract-hours-from-an-nsdate does one subtract hours from an NSDate I would like to subtract 4 hours from a date. I read the date string into an NSDate object use the.. does one subtract hours from an NSDate I would like to subtract 4 hours from a date. I read the date string into an NSDate object use the following code NSDateFormatter dateFormatter NSDateFormatter..
Detecting noise via mic while playing a song on iPhone http://stackoverflow.com/questions/11993844/detecting-noise-via-mic-while-playing-a-song-on-iphone But since this is a natural problem I guess every algorithm will have this problem. Another solution would be to subtract the original signal from the recorded signal and then you should get the noise as the difference of both signals. Then you..
How do I break down an NSTimeInterval into year, months, days, hours, minutes and seconds on iPhone? http://stackoverflow.com/questions/1237778/how-do-i-break-down-an-nstimeinterval-into-year-months-days-hours-minutes-an components from year down to seconds. My first thought is to integer divide the time interval by seconds in a year subtract that from a running total of seconds divide that by seconds in a month subtract that from the running total and so on. That.. the time interval by seconds in a year subtract that from a running total of seconds divide that by seconds in a month subtract that from the running total and so on. That just seems convoluted and I've read that whenever you are doing something that..
finding a coordinate at some distance from the source http://stackoverflow.com/questions/14398378/finding-a-coordinate-at-some-distance-from-the-source d C cos latitude degrees to the east. So if Earth's circumference is 40075.04 km to move 5 km to the south you would subtract 0.0449 from the latitude and use the same longitude. To move 5 km to the east you would use the same latitude and add 0.0449..
NSDate expressed in different time zones, i.e. local time zone (GMT-400) to PST http://stackoverflow.com/questions/2503397/nsdate-expressed-in-different-time-zones-i-e-local-time-zone-gmt-400-to-pst with the proper time zone information i.e. I take the current time where I am in EST and using NSTimeZone end up subtracting the 3 hours necessary to represent the time in PST. But all I've done is subtract 3 hours from the time which is still.. EST and using NSTimeZone end up subtracting the 3 hours necessary to represent the time in PST. But all I've done is subtract 3 hours from the time which is still represented relative to my time zone. How do I get NSDateFormatter to spit out the..
How to calculate how many business days are between two dates? http://stackoverflow.com/questions/2576239/how-to-calculate-how-many-business-days-are-between-two-dates days between that date and some arbitrary date. Then to find the number of business days between two dates just subtract those lookup values. As for day of week calculations... remember that not all weekdays are business days so you'd need to..
Detecting Acceleration in a car (iPhone Accelerometer) http://stackoverflow.com/questions/2733249/detecting-acceleration-in-a-car-iphone-accelerometer the consequences. During the calibration stage I took the average force on the phone and during running I just subtracted the average force from the current force to get the current acceleration this frame. The problem with this is that the.. as a vector instead of a size. Store that vector. 2 When the car initially moves forward take the vector of motion and subtract gravity. Use this as the forward momentum. Ignore for now the user cases where this will be difficult and let's concentrate.. of the forward vector. I am selecting vectors whose magnitude exceeds gravity and from there averaging them and subtracting gravity. I am doing some error checking to make sure that I am not using a force just because the iPhone accelerometer..
http://stackoverflow.com/questions/3295000/uitabbar-unresponsive-on-ipad UITabBarController is created inside a XIB I also create its tabs view controllers inside the XIB as well. If I add or subtract tabs that seems to update the UITabBar fine. But still none of the actual tabs are tappable. Does anyone have any ideas..
How does - (CGRect)convertRect:(CGRect)rect toView:(UIView *)view work http://stackoverflow.com/questions/3382316/how-does-cgrectconvertrectcgrectrect-toviewuiview-view-work subview's coordinates We start with the rect 75 50 50 50 The frame of the second subview is 50 50 200 200 . Now we subtract the origin of the second subview to the rect to do our translation. So we end up with a translated rect of 25 0 50 50 ..
Convert GPS coordinates to coordinate plane http://stackoverflow.com/questions/3588653/convert-gps-coordinates-to-coordinate-plane that it won't change appreciably between the north and south ends of the building. Then for any nearby lat long point subtract off the coordinates of the southwest corner of the building and apply the vertical and horizontal scales in the obvious..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer CGContextAddPath context visiblePath CGContextFillPath context Now create a larger rectangle which we're going to subtract the visible path from and apply a shadow CGMutablePathRef path CGPathCreateMutable when drawing the shadow for a path whichs.. 42 cuould just be any offset 0 CGPathAddRect path NULL CGRectInset bounds 42 42 Add the visible path so that it gets subtracted for the shadow CGPathAddPath path NULL visiblePath CGPathCloseSubpath path Add the visible paths as the clipping path.. Before closing this path add the visible path. Then close the path so that you create a shape with the visible path subtracted from it. You might want to investigate the fill methods non zero winding of even odd depending on how you created these..
http://stackoverflow.com/questions/5890499/pcm-audio-amplitude-values is often an unsigned data type with the range from 0..255 with a value of 128 indicating silence . So you have to add subtract this bias as well as scale by about 256 to convert between 8 bit and 16 bit audio PCM waveforms. share improve this answer..
Subtracting two NSDate objects [duplicate] http://stackoverflow.com/questions/6306661/subtracting-two-nsdate-objects the date I´m getting from the feed and today´s date and time. Any suggestions how I can do this I know I need to subtract the current date with the date I get from the feed but I don´t know how to do it. Ex Date from feed Date 2011 06 10 15 00..
http://stackoverflow.com/questions/8859285/uibezierpath-subtract-path bezierPathWithRoundedRect byRoundingCorners cornerRadii I am able to create a rounded view such as this How could I subtract another path from this one or some other way to create a path like this Is there any way I can do something like this Psudocode.. fromPath bigMaskPath iphone objective c uibezierpath share improve this question If you want to stroke the subtracted path you are on your own. Apple doesn't provide an API that returns or just strokes the subtraction of one path from another... want to stroke the subtracted path you are on your own. Apple doesn't provide an API that returns or just strokes the subtraction of one path from another. If you just want to fill the subtracted path as in your example image you can do it using the..
Adding pause functionality for NSTimer http://stackoverflow.com/questions/8922269/adding-pause-functionality-for-nstimer it working. So what is the best approach to implement this function in my code I already tried to use a pause date and subtract it from my NSTimeInterval but got negative values ... Thanks so far So I did this use timer to update the ui only store..
Is there any way to remove the small bias along the gravity axis in the accelerometer data http://stackoverflow.com/questions/9074947/is-there-any-way-to-remove-the-small-bias-along-the-gravity-axis-in-the-accelero my phone is not moving a bit. Is there any known way to remove this bias from the accelerometer data I cannot simply subtract the bias from z component because it seems that the bias spreads over x y and z along the gravity axis if the device is..
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