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swift 2.0 语法 循环
//: Playground - noun: a place where people can playimport UIKit/*:for循环* 基本用法和OC一致* 条件表达式必须是bool类型的值* 条件表达式的()可以省略* 在OC中如果{}中只有一条语句, 那么{}可以省略, 而Swift...
分类:编程语言   时间:2015-11-06 20:52:02    阅读次数:252
swift 2.0 语法 函数
//: Playground - noun: a place where people can playimport UIKit/*:函数* 格式func 函数名称(形参名称1: 形参类型, ...) -> 返回值类型{ // 逻辑代码}* 没有参数没有返回值* 没有参数有返回值* 有参数没有返回....
分类:编程语言   时间:2015-11-06 20:49:38    阅读次数:216
swift 2.0 语法 字典
//: Playground - noun: a place where people can playimport UIKit/*:字典* 和OC的区别* 1. {} 替换为 []* 2. 去掉所有@* 可变字典 var* 不可变字典 let*/var dict = ["name": "lnj"....
分类:编程语言   时间:2015-11-06 20:47:44    阅读次数:266
一个字符串是否每个字符都不一样
原题:Implement an algorithm to determine if a string has all unique characters What if you can not use additional data structures?解题思路:1把所有字符的asc2 码转化为数...
分类:其他好文   时间:2015-11-06 19:21:49    阅读次数:197
Android studio 配置SVN 报错问题解决
电脑重装,环境重配遇到了下边提示的问题,Studio 和?TortoiseSVN ?均使用最新版本发现报如下错误: Can‘t use Subversion command line client: E:\Program Files\TortoiseSVN\bin\svn.exe ? ? ? ? ?Sub...
分类:移动开发   时间:2015-11-06 18:08:52    阅读次数:213
autoprefixer 和 cssnext
Autoprefixer根据 Can I use 的 数据,按需给无前缀代码自动加厂商前缀。输入:a { display: flex;}输出:a { display: -webkit-box; display: -webkit-flex; display: -ms-flexb...
分类:Web程序   时间:2015-11-06 17:39:42    阅读次数:259
Operating System: Three Easy Pieces --- Why It Gets Worse: Shared Data (Note)
The simple thread example we showed above was useful in showing how threads arecreated and how they can run in different orders depending on how the s...
分类:其他好文   时间:2015-11-06 14:37:32    阅读次数:222
解决ubuntu svn checkout https问题
up vote20down voteacceptedYou can specify a username usingsvn co --username your_name https://svn.server.com/repository/trunkand the password should b...
分类:Web程序   时间:2015-11-06 10:53:16    阅读次数:155
Caused by: java.sql.SQLException: Couldn't perform the operation commit
1、错误描述Caused by: java.sql.SQLException: Couldn't perform the operation commit: You can't perform any operations on this connection. It has been automatically closed by Proxool for some reason (see l...
分类:数据库   时间:2015-11-06 09:45:32    阅读次数:478
Caused by: java.io.EOFException: Can not read response from server.
1、错误描述The last packet successfully received from the server was 76,997 milliseconds ago. The last packet sent successfully to the server was 78,995 milliseconds ago. at sun.reflect.NativeConstruct...
分类:编程语言   时间:2015-11-06 09:45:00    阅读次数:371
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