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Changes in import statement python3
...equires you to use explicit imports which explicitly specify location of a module on a path-alike basis. Your derived.py would look like:
from .base import BaseThing
The leading . says 'import base from module directory'; in other words, .base maps to ./base.py.
Similarly, there is .. prefix whi...
Can anyone explain python's relative imports?
....py is located is in your python path. parent.py lives there as a separate module.
You can also safely delete the top level __init__.py, if you don't import anything into a script further up the directory tree.
share
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Update Git submodule to latest commit on origin
I have a project with a Git submodule. It is from an ssh://... URL, and is on commit A. Commit B has been pushed to that URL, and I want the submodule to retrieve the commit, and change to it.
...
C++读写EXCEL文件方式比较 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++读写EXCEL文件方式比较C++读取Excel的XLS文件的方法有很多,但是也许就是因为方法太多,大家在选择的时候会很疑惑。由于前两天要做导表工具,比较了常用的方法, C++读取Excel的XLS文件的方法有很多,但是也许就是因为方法...
VS工程“生成事件”之文件拷贝 - C/C++ - 清泛网 - 专注C/C++及内核技术
...$(ProjectDir)lib\P*APID.dll" "$(SolutionDir)$(ConfigurationName)\"
拷文件夹:
xcopy /D /Y /E "$(ProjectDir)conf" "$(SolutionDir)$(ConfigurationName)\conf\"
(/D 只复制时间戳最新的文件,/Y 不提示覆盖,/E 递归子目录)
实际上就是执行copy、xcopy等Dos命...
[完整实例源码]C&C++修改文件只读属性 - C/C++ - 清泛网 - 专注C/C++及内核技术
[完整实例源码]C&C++修改文件只读属性先使用GetFileAttributes获取文件属性,判断该文件是否是只读,然后SetFileAttributes修改文件属性。代码如下:#include "stdafx.h"int _...先使用GetFileAttributes获取文件属性,判断该文件是否是只读,然...
linux内存cached释放 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...时候cached非常大,基本上接近等于total了,这个时候打开文件或者传输文件的时候可用内存很小,程序可能就会用到交换分区swap了,所以会发现机器速度变慢的情况
cached主要负责缓存文件使用, 日志文件过大造成cached区内存增...
how to use “AND”, “OR” for RewriteCond on Apache?
...y in the documentation I'll answer this by going through the sourcecode of mod_rewrite; demonstrating a big benefit of open-source.
In the top section you'll quickly spot the defines used to name these flags:
#define CONDFLAG_NONE 1<<0
#define CONDFLAG_NOCASE 1<&...
项目管理实践【五】自动编译和发布网站【Using Visual Studio with Source ...
...!--使用Robocopy复制编译后的文件到指定位置 /XD是要忽略的文件夹,/XF要忽略的文件类型-->
<Exec Command="Robocopy Debug c:\inetpub\StartKit /MIR /XD Fckeditor attachments .svn obj doc Test /XF *.zip *.wdproj *.user *.cs *.csproj" IgnoreExitCode="true" />
<!--启动IIS...
Linux chmod命令用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Linux chmod命令用法chmod----改变一个或多个文件的存取模式(mode)chmod [options] mode files只能文件属主或特权用户才能使用该功能来改变文件存取模式。mo...chmod----改变一个或多个文件的存取模式(mode)
chmod [options] mode files
只能文...