Bill is developing a new mathematical theory for human emotions. His recent investigations are dedicated to studying how good or bad days influent people's memories about some period of life.
A new i...
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其他好文 时间:
2014-10-17 21:59:29
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229
Launch XcodeSelect File->Open Recent->Clear MenuRight-click the Xcode icon and select Show All Windows. You should now see only your current document ...
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其他好文 时间:
2014-10-17 18:20:25
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189
我们知道苹果电脑MacOSX操作系统的Dock栏是有2个区域的,前半边显示单独图标,后半边存放文件夹。如果我们能把最近启动过的软件自动集中到Dock栏的一个文件夹,既能随时查看又可以快速点击启动(每天常用的也就那么几个软件),该多方便。但这和直接把“下载”之类的文件夹拖过去不同,因为要自动获取最.....
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移动开发 时间:
2014-10-16 22:59:03
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285
1.File recoding recent activities: ~/.local/share/recently-used.xbel直接删了就可以清除Dash Home里的最近记录2.设置图形界面的开机启动项: 在startup application里直接设置,或者想折腾的,写个 XXX.d....
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系统相关 时间:
2014-10-13 16:36:19
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244
CF:Carry Flag.The most recent operation generated a carry out of the most significant bit.Used to detect overflow for unsigned operations.ZF:Zero Flag...
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其他好文 时间:
2014-10-11 11:28:15
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158
Technorati Tags:wpf,thumbnails,image,performance,slow,BitmapImageDuring a recent WPF session I needed to build a ListBox that showed a bunch of images...
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其他好文 时间:
2014-10-10 00:05:33
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299
Eclipse Kepler?4.3.2 SR2?is the most recent release from the Eclipse top-level project. It contains what you need to build applications based on Eclipse technology, including integrated developm...
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系统相关 时间:
2014-10-08 15:10:55
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457
在os x下,安装完python爬虫框架scrapy后,使用scrapy startproject tutorial新建scrapy项目时,出现以下问题:Traceback (most recent call last): File "/usr/local/bin/scrapy", line 5,....
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其他好文 时间:
2014-10-06 12:32:50
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412
打开文件
open(name[mode[,buffing])
name: 是强制选项,模式和缓冲是可选的
#如果文件不在,会报下面错误:
[python] view plaincopyprint?
>>> f = open(r'D:\text.txt','r')
Traceback (most recent call last):
File "", line 1, in
IOError: [Errno 2] No such file or direc...
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编程语言 时间:
2014-10-01 03:25:00
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516
第10章 | 充电时刻
本章主要介绍模块及其工作机制
------
模块
>>> import math
>>> math.sin(0)
0.0
模块是程序
一个简单的模块
#hello.py
print ("Hello,World!")
>>> import hello
Traceback (most recent call last):
File "", line 1, in
import hello
ImportError: No module n...
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编程语言 时间:
2014-09-28 23:11:56
阅读次数:
485