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How to initialize std::vector from C-style array?
...: w_(w, w + len) { }
Otherwise use assign as previously suggested:
void set_data(double* w, int len)
{
w_.assign(w, w + len);
}
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How do I check if there are duplicates in a flat list?
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Use set() to remove duplicates if all values are hashable:
>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True
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常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...gout,shutdown,reboot,useradd,passwd,ls,ll,cd,mkdir,vi,cp,rm,mv,chmod,chown,find,grep,tail,tar,gzip,fdisk,kill,netstat等。一、注销，关机，重启，新建用户、删除用户
1. 注销系统的命令
logout 、exit
这两个命令都可以用来退出当前所登录的服务器，若想...
Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
.../
增大闪回日志文件的最大大小为50G
SQL> alter system set db_recovery_file_dest_size=50g;
系统已更改。
现在空间使用率为11.1%
SQL> select * from V$FLASH_RECOVERY_AREA_USAGE;
FILE_TYPE PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE
------------...
Multi-gradient shapes
...PEAT);
return lg;
}
};
PaintDrawable p=new PaintDrawable();
p.setShape(new RectShape());
p.setShaderFactory(sf);
Basically, the int array allows you to select multiple color stops, and the following float array defines where those stops are positioned (from 0 to 1). You can then, as s...
File name? Path name? Base name? Naming standard for pieces of a path
...riving with one example from my side:
Consider the path C:\Documents and Settings\All Users\Application Data\s.sql.
C:\Documents and Settings\All Users\Application Data\s.sql is the full path (which is a file name)
C:\Documents and Settings\All Users\Application Data\ is the directory name.
No...
How to automatically indent source code?
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Set Options > C/C++ > Formatting > Automatic Indentation on Tab to True and press TAB.
– Steve Pitchers
Oct 21 '13 at 13:29
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How to search for file names in Visual Studio?
In Eclipse you can search for a file in the project by pressing CTRL - SHIFT - R .
20 Answers
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
...ing some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used?
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Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...erywhere. I even see large companies switching over to JSON . Even Microsoft has integrated support for JSON. What is all the hype over JSON?
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