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nsis安装之前备份程序，便于回滚 - 脚本技术 - 清泛IT社区，为创新赋能！
...：仅备份最近一次)
RMDir /r "$INSTDIR\..\${SHORTCUT_NAME}_bak"
CopyFiles "$INSTDIR\*" "$INSTDIR\..\${SHORTCUT_NAME}_bak"
Delete "$INSTDIR\..\${SHORTCUT_NAME}_bak\uninst.exe"
;备份结束
SetO...
_access头文件 - c++1y / stl - 清泛IT社区，为创新赋能！
#include <io.h>
error LNK2019: 无法解析的外部符号 _Netbios@4,该符号在函数 中被引用 - c...
解决方法如下：Cpp文件include语句之后加上如下代码：#pragma comment(lib,"netapi32.lib")
调研结论：File组件写log文件大小有上限吗？会无限增长吗？（附日志轮转方...
...案1：按日期分文件（最简单，推荐）
文件名带日期：log_20260922.txt。每天一个新文件，天然有上限，历史日志好定位。用 Clock 组件取当前日期拼进文件名即可。
方案2：按行数/条数轮转
App里维护一个计数器变量，每写一条+1...
What is Haskell used for in the real world? [closed]
... to be able to
easily roll back every change if some object deep in the call
hierarchy decided the message is flawed? How about having a history of
different states?
Many housekeeping tasks made for you: deconstructing data structures (PatternMatching), storing variable bindings (LexicalScop...
Using link_to with embedded HTML
...want a link in rails that uses that same icon class from twitter bootstrap all you need to do is something like this.
<%= link_to "Do it@", user_path(@user), :class => "btn icon-ok icon-white" %>
share
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PHP 5.4 Call-time pass-by-reference - Easy fix available?
Is there any way to easily fix this issue or do I really need to rewrite all the legacy code?
3 Answers
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Why does CSS work with fake elements?
... Why doesn't my professor want me to use made-up elements?
They are not allowed by the HTML specification
They might conflict with future standard elements with the same name
There is probably an existing HTML element that is better suited to the task
Also; why didn't he know that made-up el...
What does (function($) {})(jQuery); mean?
I am just starting out with writing jQuery plugins. I wrote three small plugins but I have been simply copying the line into all my plugins without actually knowing what it means. Can someone tell me a little more about these? Perhaps an explanation will come in handy someday when writing a framewor...
How do I execute any command editing its file (argument) “in place” using bash?
...
This is an answer. I was actually wondering if there is a generic solution to this problem. For example if I want to find all UNIQ lines in a file "in place", I can't do -o
– jm.
Sep 28 '08 at 21:45
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