2014/10/15 下午 10:03:51

iphone Programming Glossary: approx

Not sure why UIView is being nudged up by around 10px

http://stackoverflow.com/questions/1054539/not-sure-why-uiview-is-being-nudged-up-by-around-10px

bar of around 10 pixels when I run the app for both views. I also notice that the buttons are offset by 10 pixels approx. . So I get the impression that the view is being displayed from 10 pixels off the screen and ending short. Any idea why..

Detect touches only on non-transparent pixels of UIImageView, efficiently

http://stackoverflow.com/questions/13291919/detect-touches-only-on-non-transparent-pixels-of-uiimageview-efficiently

may have to convert the point before checking the pixel data. Appears to work pretty quickly to me. I was measuring approx. 0.1 0.4 ms for this method call. It doesn't do the interior space and is probably not optimal. share improve this answer..

Boundry detect paper sheet opencv

http://stackoverflow.com/questions/13493035/boundry-detect-paper-sheet-opencv

and store them in a list findContours gray contours CV_RETR_LIST CV_CHAIN_APPROX_SIMPLE Test contours vector cv Point approx for size_t i 0 i contours.size i approximate contour with accuracy proportional to the contour perimeter approxPolyDP.. contours CV_RETR_LIST CV_CHAIN_APPROX_SIMPLE Test contours vector cv Point approx for size_t i 0 i contours.size i approximate contour with accuracy proportional to the contour perimeter approxPolyDP Mat contours i approx arcLength Mat contours.. approx for size_t i 0 i contours.size i approximate contour with accuracy proportional to the contour perimeter approxPolyDP Mat contours i approx arcLength Mat contours i true 0.02 true Note absolute value of an area is used because area..

How big is an Objective-C iPhone app vs. a MonoTouch app?

http://stackoverflow.com/questions/1444777/how-big-is-an-objective-c-iphone-app-vs-a-monotouch-app

the size of an Objective C Hello World app be compared to a MonoTouch Hello World app More specifically what is the approx. number of bytes that need to be downloaded and what is the approx. number of bytes used once installed iphone objective.. Hello World app More specifically what is the approx. number of bytes that need to be downloaded and what is the approx. number of bytes used once installed iphone objective c mono monotouch share improve this question A Hello world program..

Get specific Value between Javascript Function by NSRegularExpression?

http://stackoverflow.com/questions/15128700/get-specific-value-between-javascript-function-by-nsregularexpression

Gujarat India' link_jsaction '' ss edit true detailseditable true deleted false rapenabled true mmenabled true b_s 2 approx true elms 4 1 6 2 12 1 9 1 5 2 11 Here in above code I want to get value of lat and lon from latlng lat 21.747064 lng 72.169678..

iPhone - Showing video as a splash screen

http://stackoverflow.com/questions/4575273/iphone-showing-video-as-a-splash-screen

But the player view is not starting at x 0 y 0 location. What's the reason and how to fix it. Its starting x 100 y 100 approx . iphone video splash screen share improve this question you are setting the information which affects the position..

Convert decimal to fraction in Objective-C?

http://stackoverflow.com/questions/5552537/convert-decimal-to-fraction-in-objective-c

function wrapper of said algorithm typedef struct long nominator long denominator double error Fraction Find rational approximation to given real number David Eppstein UC Irvine 8 Aug 1993 With corrections from Arno Formella May 2008 Function wrapper.. by Regexident April 2011 usage fractionFromReal double realNumber long maxDenominator realNumber is real number to approx maxDenominator is the maximum denominator allowed based on the theory of continued fractions if x a1 1 a2 1 a3 1 a4 ..... is the maximum denominator allowed based on the theory of continued fractions if x a1 1 a2 1 a3 1 a4 ... then best approximation is found by truncating this series with some adjustments in the last term . Note the fraction can be recovered as..

Requesting iPhone location whilst in background?

http://stackoverflow.com/questions/5807560/requesting-iphone-location-whilst-in-background

run all the time using UIBackgroundModes location . Not recommended drains battery. Regularity upon request Accuracy approx. 10 65m. Might just be the only realistic option. Option_002 SLC I could use Significant Location Change but the frequency.. application is running in a rural or wilderness area with limited numbers of cell towers. Regularity unknown Accuracy approx. 500m Option_003 Hybrid I could use Significant Location Change SLC in the background as an indicator of significant movement.. are not going to arrive at anywhere near 30second intervals particularly when walking . Regularity unknown Accuracy approx. 10 50m. Option_004 Something else any ideas would be much appreciated. NOTE I thought I had this working because when you..

How to rotate a Direction Arrow to particular location

http://stackoverflow.com/questions/7173925/how-to-rotate-a-direction-arrow-to-particular-location

CGAffineTransformMakeRotation degrees newHeading.trueHeading M_PI 180 but the code above will always rotate arrow to approx. 2 3 degree north for every location. My question looks similar to this Stack Overflow question .but using code from this..