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[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...打印预览，本文介绍了这三个类的实现。打印及打印预览是编写应用程序经常要解决的问题，为了理解VC++对话框程序的打印及打印预览实现,要先掌握基于文档/视图的应用程序打印及打印预览的基本原理。所以分为两部分介绍。...
How to save/restore serializable object to/from file?
...eMyLegBiking
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answered May 24 '11 at 19:29
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How to escape a JSON string to have it in a URL?
...ndy in certain situations.
Rather than URL-encoding the data, you can base64-encode it. The benefit of this is the encoded data is very generic, consisting only of alpha characters and sometimes trailing ='s. Example:
JSON array-of-strings:
["option", "Fred's dog", "Bill & Trudy", "param=3"]...
地图组件（高德地图） · App Inventor 2 中文网
...，并允许使用多个 标记 元素来标识地图上的点。
原版是OpenStreet开源地图，国内无法访问，中文网已深度定制，默认接入国内的高德地图，如下：
地图 组件提供了三种实用程序，用于通过 App Inventor 操作其边界。
首先，它...
Intel SMID指令集编译错误: inlining failed in call to always_inline \'x...
...CPU指令集优化代码的时候，编译出错，报错如下： usr lib64 gcc x86_64-suse-linux 7 include avx2intrin h:252:1: error: inlining failed in call to always_i 最近在使用CPU指令集优化代码的时候，编译出错，报错如下：
/usr/lib64/gcc/x86_64-suse-linux/7/includ...
【持续更新】App Inventor 2 中文拓展一览 - App Inventor 2 中文网 - 清泛...
...像】TaifunImage 拓展：图片压缩剪裁处理
【图像】SimpleBase64 拓展：图像Base64编解码传输
【图像】KIO4_Base64 拓展：更强大的图像Base64编解码工具，解码后的图像可写入到文件
【图像】ImageUtil 拓展：图像组件的附加工具，提供图...
How can I make the computer beep in C#?
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I just tested in Win 7 x64 RC, and although the internal speaker didn't beep, there was a beep through speakers when I had them plugged in and on. I guess it's just the internal (mobo) speaker that won't beep. Thanks for the info @Lck.
...
What is the difference between Cygwin and MinGW?
...
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As a simplification, it's like this:
Compile something in Cygwin and you are compiling it fo...
Integrating MySQL with Python in Windows
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Download page for python-mysqldb. The page includes binaries for 32 and 64 bit versions of for Python 2.5, 2.6 and 2.7.
There's also discussion on getting rid of the deprecation warning.
UPDATE: This is an old answer. Currently, I would recommend using PyMySQL. It's pure python, so it supports...
How to convert An NSInteger to an int?
...r = 42;
int myInt = (int) myInteger;
NSInteger is nothing more than a 32/64 bit int. (it will use the appropriate size based on what OS/platform you're running)
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