var ivar = [:]ivar.className // __NSDictionaryIvar i = 1i.className // error: 'Int' does not have a member named 'className'If you want to get the typ...
分类:
编程语言 时间:
2015-10-18 11:20:17
阅读次数:
144
IPython是一个更好的交互环境,是程序员做数据挖掘的好帮手,但是在Windows下运行IPython可能会出现ImportError: No module named pickleshareImportError: No module named simplegenericImportError...
分类:
编程语言 时间:
2015-10-13 12:04:24
阅读次数:
355
今天的内容十分重要,在Esper的应用中是十分常用的功能之一。它是一种事件集合,我们可以对这个集合进行增删查改,所以在复杂的业务场景中我们肯定不会缺少它。它就是Named Window。 由于本篇篇幅较长,希望各位童鞋慢慢阅读,并仔细研究文档中或者我给出的例子。1.Create Named Win....
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其他好文 时间:
2015-10-12 21:03:19
阅读次数:
285
将c++ 封装成lua调用时,显示一下错误:PYTHON_BIN not defined, use current python.generating userconf.ini...Generating bindings for cocos2dx_TextLoader...Traceback (mo...
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其他好文 时间:
2015-10-12 00:43:08
阅读次数:
2026
The file named errorlog is too largeThe file named errorlog is too large1 ProblemOne day, when I install android-sdk, I found that one error "NO space...
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其他好文 时间:
2015-10-11 14:10:17
阅读次数:
153
QUESTION NO: 291
Which of these are valid Flashback Database recovery point parameters? (Choose all that apply.)
A. SCN
B. Timestamp
C. Named recovery point
D. Transaction ID
E. Session ID
Answ...
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其他好文 时间:
2015-10-11 11:37:26
阅读次数:
155
报错现象 安装了 python 的 requests 模块,使用中报错,如下 [root@payun?~]#?echo?$PYTHONPATH
[root@payun?~]#?
[root@payun?~]#?python27
Python?2.7.10?(default,?Oct??8?2015,?15:46:46)?
...
分类:
编程语言 时间:
2015-10-08 20:13:42
阅读次数:
489
最近学习juniper的防火墙,在网上找的模拟器。根据http://bbs.hh010.com/thread-377313-1-1.html的设置,但virtualbox启动时一直报错NamedPipe#0 failed to connect to named pipe \\.\pipe\com_1...
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其他好文 时间:
2015-10-07 23:00:59
阅读次数:
354
QUESTION NO: 135
To reference existing ASM files, you need to use a fully qualified ASM filename. Your development
database has a disk group named DG2A, the database name is DEV19, and the ASM file t...
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其他好文 时间:
2015-10-05 13:01:07
阅读次数:
144
"Couple Trees" are two trees, a husband tree and a wife tree. They are named because they look like a couple leaning on each other. They share a sam.....
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其他好文 时间:
2015-10-05 00:43:20
阅读次数:
472