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2-SAT开坑
Reference:http://blog.csdn.net/jarjingx/article/details/8521690其中伍昱的ppt不错。2SAT最裸的模型:一国有n个党派,每个党派在议会中都有2个代表,现要组建和平委员会,要从每个党派在议会的代表中选出1人,一共n人组成和平委员会。已知有...
分类:其他好文   时间:2014-10-28 21:23:53    阅读次数:282
C# - as
?? You can use the as operator to perform certain types of conversions between compatible reference types or nullable types. The as operator is like a cast operation. However, if the conversion i...
分类:Windows程序   时间:2014-10-28 20:10:04    阅读次数:272
C# - ref
The ref keyword causes an argument to be passed by reference, not by value. The effect of passing by reference is that any change to the parameter in the called method is reflected in the calling me...
分类:Windows程序   时间:2014-10-28 17:58:56    阅读次数:268
C# - Passing Reference-Type Parameters
?? A variable of a reference type does not contain its data directly; it contains a reference to its data. When you pass a reference-type parameter by value, it is possible to change the data poin...
分类:Windows程序   时间:2014-10-28 17:55:49    阅读次数:227
make menuconfig 出错
运行 #make menuconfig1 HOSTLD scripts/kconfig/mconf2 scripts/kconfig/mconf.o: In function `main':3 mconf.c:(.text.startup+0x6a): undefined reference ...
分类:其他好文   时间:2014-10-28 17:35:01    阅读次数:229
mac terminal终端ls命令参数详解
原文:https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man1/ls.1.html-a 列出目录下的所有文件,包括以 . 开头的隐含文件。-b 把文件名中不可输出的字符用反斜杠加字符编号(...
分类:系统相关   时间:2014-10-28 15:05:44    阅读次数:317
pb9常见错误及含义
1. by zero发生被0除错误2. Null object reference空对象引用3. Array boundary exceeded数组越界4. Enumerated value is out of range for function枚举值超出函数的范围5. Negative valu...
分类:其他好文   时间:2014-10-28 11:52:20    阅读次数:582
undefined reference to `av_close_input_file' 原因分析
这是使用libdlna0.2.4与ffmpeg2.4.2搭配遇到的问题 解决方法是使用ffmpeg2.2.9版本(更久的版本没测试过), 或者坚持要使用ffmpeg2.4.2版本的话,只需将 …/ffmpeg-2.4.2/libavformat/version.h文件中一点点内容进行修改:...
分类:其他好文   时间:2014-10-27 11:01:02    阅读次数:375
Linux: How to delete a disk or LUN reference from /dev
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分类:系统相关   时间:2014-10-27 09:18:30    阅读次数:188
Android Bundle类
今天发现自己连Bundle类都没有搞清楚,于是花时间研究了一下。依据google官方的文档(http://developer.android.com/reference/android/os/Bundle.html)Bundle类是一个key-value对,“A mapping from Strin...
分类:移动开发   时间:2014-10-25 15:40:20    阅读次数:167
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