2014/10/15 下午 10:04:40

iphone Programming Glossary: booleans

http://stackoverflow.com/questions/1938921/expand-collapse-section-in-uitableview

didSelectRowAtIndexPath to expand or collapse the section it is within manually. If I were you I'd store an array of booleans corresponding the the expended value of each of your sections. You could then have the tableView didSelectRowAtIndexPath.. row of any section so it would be your custom section header put in your code to toggle your boolean value here mybooleans indexPath.section mybooleans indexPath.section reload this section self.tableView reloadSections NSIndexSet indexSetWithIndex.. would be your custom section header put in your code to toggle your boolean value here mybooleans indexPath.section mybooleans indexPath.section reload this section self.tableView reloadSections NSIndexSet indexSetWithIndex indexPath.section withRowAnimation..

How to reduce the size of an sqlite3 database for iphone?

http://stackoverflow.com/questions/401467/how-to-reduce-the-size-of-an-sqlite3-database-for-iphone

so far Switching to sorting the characters and run length encoding new DB size 42M Dropping the indexes on the booleans new DB size 33M The really nice part is this hasn't required any changes in the iphone code I have an iphone application.. The last field represents the letter frequencies for anagram retrieval each position is in the range 0..9 . The two booleans represent sub dictionaries. I need to do queries such as select signature from words where word 'foo' select word from words..

What is the use of -[NSUserDefaults registerDefaults:]?

http://stackoverflow.com/questions/4931167/what-is-the-use-of-nsuserdefaults-registerdefaults

implies. The first time you access the property with some key name the value will be either nil for objects false for booleans or 0 for numbers. Instead of doing a lot of tests and so on to so if the values is not set in the program and then do something..

Can you make the settings in Settings.bundle default even if you don't open the Settings App

http://stackoverflow.com/questions/510216/can-you-make-the-settings-in-settings-bundle-default-even-if-you-dont-open-the

@ name NSLog @ name before is @ name Note this will not work for boolean values as noted by bpapa below. If you use booleans you should use objectForKey above and check for null if name self registerDefaultsFromSettingsBundle name NSUserDefaults..

filtering single and double taps

http://stackoverflow.com/questions/6587453/filtering-single-and-double-taps

it introduce bugs in my logic. I can't use UIGestureRecognizer because i need to keep track of the points. I try some booleans but no chance. I also tried the cancel perfomSelector delay technique but it does not work that's strange because other..

Delete all keys from a NSUserDefaults dictionary iPhone

http://stackoverflow.com/questions/6797096/delete-all-keys-from-a-nsuserdefaults-dictionary-iphone

@ highScore anyways the point is that I store a lot of other things because the NSUserDefaults enable you to store booleans integers objects etc. what method would I have to execute to delete all keys so that NSUserDefaults becomes like the fist..