被问到如何手动获取当前的调用栈,之前碰到过一时没记起来,现在回头整理一下。其原理是:使用backtrace()从栈中获取当前调用各层函数调用的返回地址,backtrace_symbols()将对应地址翻译成对应的符号信息,这两个函数在execinfo.h中声明。详细用法见后面的example。这里强...
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系统相关 时间:
2014-07-07 15:10:37
阅读次数:
412
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],...
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其他好文 时间:
2014-07-07 14:22:37
阅读次数:
210
Givens1,s2,s3, find whethers3is formed by the interleaving ofs1ands2.For example,Given:s1="aabcc",s2="dbbca",Whens3="aadbbcbcac", return true.Whens3="...
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其他好文 时间:
2014-07-07 14:12:24
阅读次数:
204
Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100". 1 class Solution 2 { 3 public: 4 ...
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其他好文 时间:
2014-07-03 11:23:54
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164
RadioGroup 有时候比較实用.主要特征是给用户提供多选一机制。MainActivity.javapackage com.example.lesson16_radio;import android.app.Activity;import android.os.Bundle;import and...
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移动开发 时间:
2014-07-01 21:40:58
阅读次数:
283
题目:Remove Nth Node From End of ListGiven a linked list, remove thenthnode from the end of list and return its head.For example, Given linked list: 1.....
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其他好文 时间:
2014-07-01 20:34:50
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232
Swift’s API includes many functions and instance methods that reflect its functional programming heritage. A prime example is calledreduce.You can red...
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移动开发 时间:
2014-07-01 00:27:22
阅读次数:
329
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [?2,1,?3,4,?1,2,1...
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其他好文 时间:
2014-07-01 00:23:01
阅读次数:
248
以下内容摘自:http://baike.baidu.com/view/8552073.htm?fr=aladdinFor example: 1 void TestErrorInfo(void) 2 { 3 //进行出错。 4 if (!CreateDirectory(_T("c:\\"),0)) 5...
题目
Given a binary tree, flatten it to a linked list in-place.
For example,
Given
1
/ 2 5
/ \ 3 4 6
The flattened tree should look lik...
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其他好文 时间:
2014-06-30 18:13:31
阅读次数:
229