关于刷新TabelView的方法1、尽量不要用[self.tableView
reloadData];因为这个会全部刷新,会很费资源,只需要刷新需要刷新的某行或者多行就行了代码: // 刷新指定行 NSIndexPath *path =
[NSIndexPath indexPathForRow...
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其他好文 时间:
2014-06-07 03:42:59
阅读次数:
199
Given amxngrid filled with non-negative
numbers, find a path from top left to bottom right whichminimizesthe sum of all
numbers along its path.Note:Yo...
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其他好文 时间:
2014-06-04 20:57:08
阅读次数:
360
方法一:-(void) viewDidLoad{[self
performSelectorInBackground:@selector(call1) withObject:nil];}-(void)
call1{timer1 = [NSTimer scheduledTimerWithTimeInte...
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其他好文 时间:
2014-06-04 20:23:05
阅读次数:
228
Given two numbers represented as strings,
return multiplication of the numbers as a string.Note: The numbers can be
arbitrarily large and are non-nega...
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其他好文 时间:
2014-06-04 20:19:04
阅读次数:
313
1. / – RootEvery single file and directory
starts from the root directory.Only root user has write privilege under this
directory.Please note that /ro...
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系统相关 时间:
2014-06-04 20:04:22
阅读次数:
416
Given a set of distinct integers,S, return all
possible subsets.Note: Elements in a subset must be in non-descending order. The
solution set m...
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其他好文 时间:
2014-06-04 20:01:32
阅读次数:
340
Given an array of strings, return all groups of
strings that are anagrams.Note: All inputs will be in
lower-case.classSolution{public:vectoranagrams(v...
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其他好文 时间:
2014-06-04 19:29:39
阅读次数:
247
1.当导入第三方库出现不支持ARC模式,可以在项目-》Build
Phases中对第三方类文件添加Compiler Flags(-fno-objc-arc)2.获取UITableViewCell中所有子控件//
获取当前tableView中的所有cellNSArray *array = [self....
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移动开发 时间:
2014-06-04 19:04:15
阅读次数:
239
原题地址:https://oj.leetcode.com/problems/subsets-ii/题意:Given
a collection of integers that might contain duplicates,S, return all possible
subsets.Note:E...
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编程语言 时间:
2014-05-29 19:10:53
阅读次数:
278
The tricky thing is how to decide the key for a
hashmap. Especially when you intend to use self-defined objects as key.The
simple rule is you have to ...
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编程语言 时间:
2014-05-29 09:08:40
阅读次数:
362