When you have to build a web application, you are often asked to add search. The magnifying glass is something that we now add to wireframes without even knowing what we are going to search. Search...
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其他好文 时间:
2015-04-25 00:28:52
阅读次数:
331
PostgreSQL 9.2 added a native?JSON?data type, but didn’t add much else. You’ve got three options if you actually want to do something with it: Wait for PostgreSQL 9.3 (or use the beta) Use the?...
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数据库 时间:
2015-04-24 21:17:57
阅读次数:
193
Something’s Wrong!Indications that something’s not rightmessage: A generic notification/diagnostic message produced by the message function;execution ...
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其他好文 时间:
2015-04-23 21:29:07
阅读次数:
122
Reference: http://www.programcreek.com/2013/10/efficient-counter-in-java/You may often need a counter to understand the frequency of something (e.g., ...
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编程语言 时间:
2015-04-23 19:17:02
阅读次数:
206
Dima, Inna and Seryozha have gathered in a room. That’s right, someone’s got to go. To cheer Seryozha up and inspire him to have a walk, Inna decided to cook something.Dima and Seryozha have n fruits i...
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其他好文 时间:
2015-04-21 22:52:16
阅读次数:
137
看下面的两个类的声明代码:class B{public: void mf(); //something to do};class D : public B{public: void mf();}; 如果有下面的调用:D x;//第一种调用B *pB = &x;pB->mf();//调用B::m...
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其他好文 时间:
2015-04-21 21:59:19
阅读次数:
189
先说明一个常见问题,文件打开:try:
f = open('xxx')
do something
except:
do something
finally:
f.close()其实我个人不止一次在网上看到有这么写的了,这个是错的。
首先正确的如下:try:
f = open('xxx')
except:
print 'fail to open'...
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编程语言 时间:
2015-04-21 20:45:33
阅读次数:
148
Stringis something we are familiar with. So I only tried some of its functions.Let's see in detail.---Compare()---(codes)(output)The method compares t...
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其他好文 时间:
2015-04-19 21:12:16
阅读次数:
110
原文出处:点击我:)1.第一段代码#includeusing namespace std;class ClxBase{public:ClxBase() {};~ClxBase() {cout DoSomething();delete p;return 0;}运行结果:Do something in ...
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其他好文 时间:
2015-04-19 11:24:55
阅读次数:
111
一、计时器setTimeout():注册在指定时间后单次调用的函数setInterval():注册在指定时间后重复调用的函数都会返回一个值,可以传递给clearInterval()用来取消函数的执行。function fun(){ // do something here.} // 第一个方法...
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编程语言 时间:
2015-04-18 12:57:11
阅读次数:
177