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C++虚析构函数解析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...只析构基类而不析构派生类的状况发生。以下内容转自：http...为什么基类的析构函数是虚函数？
在实现多态时，当用基类操作派生类，在析构时防止只析构基类而不析构派生类的状况发生。
以下内容转自： http://blog.sina.com.cn/...
7款在线思维导图制作网址及相关介绍 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...团队创建，于2006年6月上线，只是网站很不稳定，网址：http://www.mindpin.com。
百度脑图：百度也推出了在线的思维导图，网址：naotu.baidu.com。
参考：
http://blog.sina.com.cn/s/blog_6542dd420100w5l9.html
在线 思维导图
Visual Assist X 关闭spell check的错误下划线 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...划线，看起来很不爽。解决：如下图步骤：补充：参考：http: blog.csdn....原因：
在vs中使用 Visual Assist X，在注释中有中文，经常会显示下划线，看起来很不爽。
解决：
如下图步骤：
补充：
参考：http://blog.csdn.NET/weiwang...
Sorting a tab delimited file
...u probably want
sort -k4nr file.txt
to sort file.txt by column 4 numerically in reverse order. (Though the data in the question has even 5 fields so the last field would be index 5.)
share
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impr...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...t;?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical" >
<LinearLayout
android:layout_width="wrap_...
Running V8 Javascript Engine Standalone
...ith code for building a console. Here is how to build this:
$> svn co http://v8.googlecode.com/svn/trunk v8-trunk
...
$> cd v8-trunk
$> scons
$> g++ ./samples/shell.cc -o v8-shell -I include libv8.a
Now, we have a standalone binary called v8-shell.
Running the console:
$> ./v8...
How can we programmatically detect which iOS version is device running on? [duplicate]
...j/CJAMacros/blob/master/CJAMacros/CJAMacros.h
Like this:
#define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersi...
Can an Option in a Select tag carry multiple values?
...
I was actually wondering this today, and I achieved it by using the php explode function, like this:
HTML Form (in a file I named 'doublevalue.php':
<form name="car_form" method="post" action="doublevalue_action.php">
...
How do I get a list of all the duplicate items using pandas in python?
...rt issues. I would like to get a list of the duplicate items so I can manually compare them. When I try to use pandas duplicated method , it only returns the first duplicate. Is there a a way to get all of the duplicates and not just the first one?
...
Error - Unable to access the IIS metabase
... are not running visual studio with administrator permissions. Look that:
http://bloggingabout.net/blogs/rick/archive/2012/10/04/unable-to-access-the-iis-metabase.aspx
To quote
The solution to this is simple: start your Visual Studio with "Run as
Administrator". You can do this by right clic...