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Dec
15
Scheme 002:Calculate
Published 12:12 Dec 15, 2013 by @ezra.
#Programming# 2.1 简介
让我们把Scheme解释器当作计算器来使用。
2.2 将Scheme作为一个计算器
点击 开始 → 所有程序 → MIT Scheme → Scheme 来启动Scheme解释器以及如下...
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Dec
14
Scheme 001:Install MIT-Scheme
Published 12:12 Dec 14, 2013 by @ezra.
#Programming# 1.1 为什么使用Scheme
使用Scheme,你可以:
编写漂亮的程序。
享受编程的乐趣。
这些就是为什么要学习Scheme的原因。在你用Scheme编写一些实用程序的时候会遇到一些困...
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Dec
09
Renaming Variables in Xcode
Published 12:12 Dec 09, 2013 by @ezra.
#Programming# For both persons and programming variables, a good name is an invitation to a prosperous life.
Lucki...
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Dec
02
Pebble Smart-watch, Xcode 5 and OS X Mavericks
Published 12:12 Dec 02, 2013 by @ezra.
#Programming# After stumbling a few times while setting up my development environment for the Pebble Smart-watch,...
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Nov
22
Command that Terminal
Published 12:11 Nov 22, 2013 by @ezra.
#Programming# In case somebody else is using the left and right arrows to navigate through typed commands, I've co...
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Nov
05
UNIX/Linux : 让 man 手册变为彩色
Published 12:11 Nov 05, 2013 by @ezra.
#Technology# 用过 Unix/Linux 的朋友一定知道 man 指令,但是黑白的 man 手册看起来还是蛮费劲的。那就让我们来把它变为彩色吧。
首先,你当然要知道自己所使用的 shell 是什么,你可以使用 ec...
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Nov
03
The data beyond the JPEG
Published 12:11 Nov 03, 2013 by @ezra.
#Programming# JPEG files from a digital camera include lots of information beyond the actual picture. Camera setti...
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Oct
13
RegEx: Syntax
Published 12:10 Oct 13, 2013 by @ezra.
#Technology# 正则表达式是一种文本模式,包括普通字符 (例如,a 到 z 之间的字母) 和特殊字符 (称为"元字符) 。模式描述在搜索文本时要匹配的一个或多个字符串。
正则表达式示例
表达式
匹配
...
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Oct
10
OS X: Terminal Cheatsheet
Published 12:10 Oct 10, 2013 by @ezra.
#Programming# Terminal Cheatsheet for Mac
快捷键
按键/命令
描述
Ctrl + A
移动光标至行首
Ctrl + E
移动光标至行尾
Ctrl + L
清屏
...
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Sep
19
grep 基础
Published 12:09 Sep 19, 2013 by @ezra.
#Technology# grep 基本概念
grep: global search regular expression and print out the line.
作用
文本过滤器,用于文本搜索,用指定“模式”逐行匹配...
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Sep
19
Java 与 RegEx 浅析 002: 小试 java.util.regex
Published 12:09 Sep 19, 2013 by @ezra.
#Programming# 正则表达式包 java.util.regex 的使用十分简单,它的功能由下列内容组成:
类 java.util.regex.Pattern
Pattern 对象就是编译好的正则表达式,它可以应用...