How can you add a UIGestureRecognizer to a UIBarButtonItem as in the common undo/redo UIPopoverController scheme on iPad apps?

Problem In my iPad app, I cannot attach a popover to a button bar item only after press-and-hold events.But this seems to be standard for undo/redo.How do other apps do this?

lol全英雄多少精粹？

初见季节__ 开发者_StackOverflow社区 2022-03-26 05:36 至少需要496200精粹光是6300和4800的英雄加起来就要30多万下木木木

How to represent formatted text for display on IPhone/Android/WP7/PC

I am working on a multi-platform app (Mono) that will store text in a centralized location on the web and synchronize this text across clients that could potentially be IPhone/Android/WP7/OSX/Windows(

北美第一盲山听什么歌？

Filling own template files

What is the best way to fill a template file with variables, which are collected from a Windows Form or Web Page. I want to create a wizard program that collects some data from user, for instance, rep

find contiguous stretches of equal data in a vector

I have a numeric vector, it contains开发者_运维知识库 patches of elements that are repeating, something like:

Why there is no open source framework (like Java) for C# application development? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing

《临水坐》第一句是什么？

打的赶紧滚 2开发者_StackOverflow中文版022-04-01 21:43 《临水坐》第一句是：“昔为东掖垣中客”，这是出自于 唐朝 白居易 所著的《临水坐》。附《临水坐》全文赏析临水坐作者：白居易朝代：唐朝昔为东掖垣中

麻子多少钱一斤啊？现在市场上麻子多少钱一斤？？

陈晨789456123 开发者_开发知识库 2022-04-06 05:24 那要看你怎么买了 泖甸的麻子比较便宜~求采纳

电视剧天龙八部新版全集钟汉良版那里可以看？

qkoufu3838 开发者_StackOverflow 2022-04-05 07:00 新天龙八部电视剧全集观看地址http://www.pptv521.comPPs抢先看，官方影院！已验证我是在这个答案看完的。