There are several ways to delete elements from a list. If you know the index of the element you want, you can use pop: pop modifies the list...
                            
                            
                                分类:
其他好文   时间:
2014-07-16 19:26:12   
                                阅读次数:
189
                             
                    
                        
                            
                            
                                在你解析一个Document之后可能想修改其中的某些属性值,然后再保存到磁盘或都输出到前台页面。可以使用属性设置方法Element.attr(String key, String value), 和Elements.attr(String key, String value).假如你需要修改一个元素...
                            
                            
                                分类:
Web程序   时间:
2014-07-16 17:47:50   
                                阅读次数:
307
                             
                    
                        
                            
                            
                                原SQL如下:SQL的主要问题是红色部分居然通过标量查询,反复的查找与SQL相同的基表,很显然这个可以用case when来简化。select a.TRAN_ID,a.AMOUNT,a.BALANCE,a.INVAMT,a.PROMISED,a.INVNO,a.RCLNUM,b.PROBLEM_ID...
                            
                            
                                分类:
数据库   时间:
2014-07-16 17:12:14   
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332
                             
                    
                        
                            
                            
                                Partition an array of integers around a value such taht all elements less than x come before elements greater than or equal to x.Idea: Just use of sub...
                            
                            
                                分类:
其他好文   时间:
2014-07-15 22:52:15   
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239
                             
                    
                        
                            
                            
                                Matrix
Time Limit: 3000MS
 
Memory Limit: 65536K
Total Submissions: 17766
 
Accepted: 6674
Description
Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] ...
                            
                            
                                分类:
其他好文   时间:
2014-07-15 12:24:44   
                                阅读次数:
319
                             
                    
                        
                            
                            
                                Given an array arr[] of n integers, construct a Product Array prod[] (of same size) such that prod[i] is equal to the product of all the elements of a...
                            
                            
                                分类:
其他好文   时间:
2014-07-15 10:03:20   
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216
                             
                    
                        
                            
                            
                                gcc -shared -o hack.so hack.c/usr/bin/ld: /tmp/ccUZREwA.o: relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object...
                            
                            
                                分类:
其他好文   时间:
2014-07-14 19:26:29   
                                阅读次数:
1539
                             
                    
                        
                            
                            
                                The most common way to traverse the elements of a list is with a for loop. The syntax is the same as for strings: This works well if you onl...
                            
                            
                                分类:
其他好文   时间:
2014-07-13 19:38:51   
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324
                             
                    
                        
                            
                            
                                Given an integer n, generate a square matrix filled with elements from 1 to n2 in
 spiral order.
For example,
Given n = 3,
You should return the following matrix:
[
 [ 1, 2, 3 ],
 [ 8, 9, 4 ],
 [...
                            
                            
                                分类:
其他好文   时间:
2014-07-13 16:37:16   
                                阅读次数:
199