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用Javascript获取页面元素的位置（全） - 更多技术 - 清泛网 - 专注C/C++及内核技术
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首先，要明确两个基本概念。
一张网页的全部面积，就是它的大小。通常情况下，网页的大小由内容和CSS样式表决定。
浏览器窗口的大小，则是指在浏览器窗口中看到的那部分网页面积，又叫做viewport（视口）。
很显然，如...
How to maintain aspect ratio using HTML IMG tag
...hoto in our application. I have set both its height and width attribute to 64. I need to show any image resolution (e.g. 256x256, 1024x768, 500x400, 205x246, etc.) as 64x64. But by setting the height and width attributes of an img tag to 64, it's not maintaining the aspect ratio, so the image looks ...
Converting Secret Key into a String and Vice Versa
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You can convert the SecretKey to a byte array (byte[]), then Base64 encode that to a String. To convert back to a SecretKey, Base64 decode the String and use it in a SecretKeySpec to rebuild your original SecretKey.
For Java 8
SecretKey to String:
// create new key
SecretKey secretKey ...
Can't start Eclipse - Java was started but returned exit code=13
...ing combinations of OS, JDK and Eclipse bitness. In my case, I was using a 64-bit JDK with a 32-bit Eclipse on a 64-bit OS. After downgrading the JDK to 32-bit, Eclipse started working.
Use one of the following combinations.
32-bit OS, 32-bit JDK, 32-bit Eclipse (32-bit only)
64-bit OS, 32-bit JD...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC的多国语言界面的实现目前很多软件都是要出口到多个国家，因此，为软件提供多国语言支持就成为了一个基本条件。为软件提供多国语言的支持的具体实现方法有很多，...目前很多软件都是要出口到多个国家，因此，为软件...
How to display Base64 images in HTML?
I'm having trouble displaying a Base64 image inline.
11 Answers
11
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Why does Windows64 use a different calling convention from all other OSes on x86-64?
...s an ABI specification that describes the calling convention to use on x86-64. All OSes follow it, except for Windows which has it's own x86-64 calling convention. Why?
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VIP会员中心 · App Inventor 2 中文网，少儿编程陪伴者
... 我家孩子在学校里学习编程已经有一段时间了，但是在App Inventor 2 中文网的少儿编程课程中，他真正掌握了如何将自己的创意变成实际的App。平台提供非常好的启蒙教育资源，非常适合孩子们。 ...
fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
...le it, I get the error message "fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'".
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VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...gle大神一搜，原来这条路已经有很多先行者试过了，结论是VS2005不能用内嵌汇编的方式build ARM汇编代码！
俗话说的好啊，机器是死的，人是活的！
google大神给我指出了一条通向光明的道路： VS2005中是可以对纯粹的arm汇编文...