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2014/10/15 ¤U¤È 10:05:20

iphone Programming Glossary: comparison

Comparing two NSDates and ignoring the time component

http://stackoverflow.com/questions/1854890/comparing-two-nsdates-and-ignoring-the-time-component

iphone objective c nsdate share improve this question You set the time in the date to 00 00 00 before doing the comparison unsigned int flags NSYearCalendarUnit NSMonthCalendarUnit NSDayCalendarUnit NSCalendar calendar NSCalendar currentCalendar..

get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables

http://stackoverflow.com/questions/1889164/get-nsdate-today-yesterday-this-week-last-week-this-month-last-month-var

I am trying to do is to get NSDate today yesterday this Week last Week this Month last Month variables ready for comparison for headers to be added on UITableView's titleForHeaderInSection What I want is done manually in the code below for date.. @ 2009 12 01 00 00 00 0000 NSDate lastMonth NSDate dateWithString @ 2009 11 01 00 00 00 0000 iphone time comparison nsdate share improve this question Might be a better way to write this but here what i came up on Ben's NSCalendar suggestion..

Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)

http://stackoverflow.com/questions/2256625/comparison-of-json-parser-for-objective-c-json-framework-yajl-touchjson-etc

is widely used. Touch JSON parses NSData instead of NSString. In addition as far as I tested the result of performance comparison is as follows fast YAJL JSON Framework Touch JSON slow . If you know pros and cons of these JSON parsers could you tell..

How to set the width of a cell in a UITableView in grouped style

http://stackoverflow.com/questions/2539021/how-to-set-the-width-of-a-cell-in-a-uitableview-in-grouped-style

images with horizontal margins and you have to layout subviews of cells yourself to accommodate the margins. In comparison if you simply adjust the width of the whole cell autoresizing will do all the works for you. share improve this answer..

iPhone Development - XMLParser vs. libxml2 vs. TouchXML

http://stackoverflow.com/questions/406811/iphone-development-xmlparser-vs-libxml2-vs-touchxml

Development XMLParser vs. libxml2 vs. TouchXML I cannot find comparison of these parsing technique. Which one is most commonly used Regards. Mustafa iphone libxml2 xml parsing touchxml share..

Choosing the right IOS XML parser

http://stackoverflow.com/questions/4181690/choosing-the-right-ios-xml-parser

And know whether it is the blog author a comment author. iphone xml parsing sdk share improve this question Best comparison I've seen on the subject http www.raywenderlich.com 553 how to chose the best xml parser for your iphone project The difference..

Comparing float and double data types in objective C

http://stackoverflow.com/questions/5024913/comparing-float-and-double-data-types-in-objective-c

data types in objective C When using double or float data type in an iPhone app I am running into problems with and comparisons because when a variable is assigned a number entered with one decimal place such as 4.2 the float or double used in the.. when a variable is assigned a number entered with one decimal place such as 4.2 the float or double used in the comparison actually may have a value such as 4.1999998092651367. Because of this difference a comparison such as 4.2 is false instead.. or double used in the comparison actually may have a value such as 4.1999998092651367. Because of this difference a comparison such as 4.2 is false instead of true. How can I avoid this problem iphone objective c c floating point double share improve..

Drawing waveform with AVAssetReader

http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader

added a logarithmic version of the averaging and render methods see the end of this message for the alternate version comparison outputs. I personally prefer the original linear version but have decided to post it in case someone can improve on the.. 2 channelCount 2 imageHeight 100 finalData imageToData test fullSongData release reader release return finalData comparison outputs Linear plot for start of Warm It Up by Acme Swing Company Logarithmic plot for start of Warm It Up by Acme Swing..

Xcode 4 Tips and Tricks for Xcode 3 users [closed]

http://stackoverflow.com/questions/5260877/xcode-4-tips-and-tricks-for-xcode-3-users

How to compare two NSDates: Which is more recent?

http://stackoverflow.com/questions/5965044/how-to-compare-two-nsdates-which-is-more-recent

cocoa touch nsdate share improve this question Let's assume two dates NSDate date1 NSDate date2 Then the following comparison will tell which is earlier later same if date1 compare date2 NSOrderedDescending NSLog @ date1 is later than date2 else..

Are the Core Image filters in iOS 5.0 fast enough for realtime video processing?

http://stackoverflow.com/questions/6625888/are-the-core-image-filters-in-ios-5-0-fast-enough-for-realtime-video-processing

from my original which was too critical of Core Image's performance. The sepia tone filter I was using as a basis of comparison was not performing the same operation as my own so it was a poor benchmark. The performance of Core Image filters also improved..

Moving a Stick figure, anchorpoints, animation, or something else…?

http://stackoverflow.com/questions/7808981/moving-a-stick-figure-anchorpoints-animation-or-something-else

its texture. The position remains the same screen width screen height 2 . __________. ._______. ° ° ° Just for comparison if you wanted to right align this image menu button or label without modifying the anchorPoint you would have to set its..

Why is this code not recognising the NSString as being equal?

http://stackoverflow.com/questions/8625936/why-is-this-code-not-recognising-the-nsstring-as-being-equal

Will my iPhone app take a performance hit if I use Objective-C for low level code?

http://stackoverflow.com/questions/926728/will-my-iphone-app-take-a-performance-hit-if-i-use-objective-c-for-low-level-cod

various test code I want to know if anybody has already done this and what the results where. This type of testing and comparison is a project in and of itself and can take a considerable amount of time. Maybe this isn't one project but two and only..