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SimpleDateFormat是线程不安全的,切忌切忌!
多线程方法中使用了共享变量SimpleDateFormat,报如下错误:java.lang.NumberFormatException: multiple points at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal....
分类:编程语言   时间:2014-07-10 11:54:28    阅读次数:243
Coursera公开课机器学习:Linear Regression with multiple variables
## 多特征-------实际上我们真正买过房子的都知道,在选择房子的时候,需要考虑的不仅仅是面积,地段、结构、房龄、邻里关系之类的都应该是考虑对象,所以前面几讲谈论的,单纯用面积来谈房价,不免失之偏颇。### 多考虑些特性我们加入一些特性来考虑房价问题:![](http://images.cnit...
分类:其他好文   时间:2014-07-07 21:39:32    阅读次数:315
C#listbox使用方法
1. 属性列表: SelectionMode 组件中条目的选择类型,即多选(Multiple)、单选(Single) Rows 列表框中显示总共多少行 Selected 检測条目是否被选中 SelectedItem 返回的类型是ListItem,获得列表框中被选择的条目 Count 列表框中条目的总...
分类:其他好文   时间:2014-07-02 14:14:41    阅读次数:183
YII insert multiple records into a table
$values = array(array(1,2),array(3,4),array(5,6),);$nbValues = count($values);$sql = 'INSERT INTO table_name (col_name1, col_name2) VALUES ';for ($i=0...
分类:其他好文   时间:2014-07-01 21:28:51    阅读次数:226
Use xrandr for multiple screen display
Gnome 3 does not have good support for multiple screen display. It is therefore necessary to use xrandr for such purpose. It can be used as follows.Di...
分类:其他好文   时间:2014-06-30 13:22:02    阅读次数:268
C/C++:多个.cpp文件包含同一个.h头文件定义方法
本文解决Description Resource Path Location Type multiple definition of `deal_word(std::string)' Myfunc.h /Vector_Test/src/Headers line 30 C/C++ Problem...
分类:编程语言   时间:2014-06-29 23:51:07    阅读次数:436
PatentTips - Enhanced I/O Performance in a Multi-Processor System Via Interrupt Affinity Schemes
BACKGROUND OF THE INVENTIONThis relates to Input/Output (I/O) performance in a host system having multiple processors, and more particularly, to effic...
分类:其他好文   时间:2014-06-27 21:05:13    阅读次数:337
hdu4294 Multiple 数学结论 bfs
#include #include #include #include #include #include #include #include #include #define inf 0x3f3f3f3f #define ll __int64 #define mod 1000000007 using namespace std; int n,k,cnt,num[2],len[...
分类:其他好文   时间:2014-06-27 07:49:09    阅读次数:248
leetcode--Reverse Nodes in k-Group
Given a linked list, reverse the nodes of a linked listkat a time and return its modified list.If the number of nodes is not a multiple ofkthen left-o...
分类:其他好文   时间:2014-06-25 11:10:16    阅读次数:163
LeetCode: Best Time to Buy and Sell Stock II [122]
【题目】 Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may complete as many transactions as you like (ie, buy one and sell one share of the stock multiple times). H...
分类:其他好文   时间:2014-06-24 19:40:53    阅读次数:240
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