2014/10/15 下午 10:15:06

iphone Programming Glossary: treats

Is there something like Matlab's eval statement in Objective-C 2.0?

http://stackoverflow.com/questions/1116885/is-there-something-like-matlabs-eval-statement-in-objective-c-2-0

used in Matlab. If you are not familiar with this you can build a character string and then eval that string which treats it like it is a line of code. Here is a example where you would want to change the background color of one of a series of..

date formatting returns 12 hour format even when locale idenifier en_GB set

http://stackoverflow.com/questions/16521797/date-formatting-returns-12-hour-format-even-when-locale-idenifier-en-gb-set

the locale setting into account. You must consider the following points when using format strings NSDateFormatter treats the numbers in a string you parse as if they were in the user 䏭 chosen calendar. For example if the user selects the Buddhist..

Safari iphone/ipad “mouse hover” on new link after prior one is replaced with javascript

http://stackoverflow.com/questions/3120497/safari-iphone-ipad-mouse-hover-on-new-link-after-prior-one-is-replaced-with-ja

mouseevent share improve this question The problem is that when you replace the content in place Mobile Safari treats the new elements as if they were the old ones because they occupy the same position in the DOM. One workaround is to remove..

jpg images in iphone and 2x images

http://stackoverflow.com/questions/6595365/jpg-images-in-iphone-and-2x-images

said that I have converted all my images to png and I moved along. I just wanted some confirmation that imageNamed treats jpg and png files same way. Documentation certainly says it will unless Apple has written it somewhere other than UIImage..

SQLlite3 Update statment has no effect

http://stackoverflow.com/questions/6622582/sqllite3-update-statment-has-no-effect

from TEST where id 7 result ymmv select from TEST where id 1 result ymmv Depending on how the specific implementation treats an INT primary key the third select statement above select from TEST where id 7 may return one row or it may return nothing.. select statement above select from TEST where id 7 may return one row or it may return nothing If the implementation treats the INT PK as an alias for the row id well there is no row whose rowid 7 and so it will return nothing. If the implementation.. PK as an alias for the row id well there is no row whose rowid 7 and so it will return nothing. If the implementation treats the INT PK as a normal value it will find the row. Now if you were to insert more rows into table TEST you would eventually..

To ARC or not to ARC? What are the pros and cons?

http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons

complications in bridging to Core Foundation code. There are slightly more complications in dealing with anything that treats an id as a void . Things like C arrays of id can take a little more thinking about to do correctly. Fancy handling of ObjC..