simulator in useXcode The Simulator can't be launched because it is already in use .今天使用模拟器，测试时，突然间， 模拟器起不来了。前几次必须重启机子，后来实在受不了了，就搜罗下大神们的解答！ 提示信息：The S...
分类：
其他好文 时间：
2015-05-12 01:32:56
阅读次数：
117
//: Playground - noun: a place where people can playimport UIKitvar str = "Hello, playground"println("－－－－字符－－－－");/*字符:Swift和OC字符不一样, Swift是用双引号.Swif...
分类：
编程语言 时间：
2015-05-11 23:40:58
阅读次数：
245
//: Playground - noun: a place where people can playimport UIKitvar str = "Hello, playground"/*数组: 存储一组有序的数据数组定义:>OC:有值数组NSArray *arr0 = @[@1, @2, @3]...
分类：
编程语言 时间：
2015-05-11 23:37:08
阅读次数：
174
//: Playground - noun: a place where people can playimport UIKitvar str = "Hello, playground"/*字典: 存储一组无序数据格式:OC:NSDictionary *dict = [NSDictionary di...
分类：
编程语言 时间：
2015-05-11 23:28:49
阅读次数：
188
Problem:
Given an array and a value, remove all instances of that value in place and return the new length.
The order of elements can be changed. It doesn't matter what you leave beyond the ne...
分类：
编程语言 时间：
2015-05-11 21:57:21
阅读次数：
167
报错：UnicodeDecodeError: ‘ascii‘ codec can‘t decode byte 0xb1 in position 34: ordinal not in range(128) 解决方式： 在python安装目录下Python26\Lib\site-packages新建一个文件，文件名为：sitecustomize...
We can run graphical programs on Linux/Solaris machines on campus remotely and display them on your desktop computer running Windows. We can do this by using running two applications together on your W...
分类：
其他好文 时间：
2015-05-11 17:54:32
阅读次数：
539
Problem DescriptionA simple mathematical formula for e iswhere n is allowed to go to infinity. This can actually yield very accurate approximations o....
分类：
其他好文 时间：
2015-05-11 17:42:01
阅读次数：
100
执行Maven Install打包的时候，出现以下错误信息：[ERROR] Failed to execute goal com.github.wvengen:proguard-maven-plugin:2.0.10:proguard (default) on project core: Can't find file F:\Workspaces\base-core\core\target\core...
分类：
其他好文 时间：
2015-05-11 13:00:16
阅读次数：
674
