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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 ...
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Should I use Python 32bit or Python 64bit

I have a win7 64bit installation. Must I use Python 64bit? What are the differences between the 32bit and 64bit Python versions anyway? Do different Python packages (such as south, django, mysqldb etc) support only 32bit/64bit? ...
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an

...int $0x80 http://www.int80h.org/bsdasm/#default-calling-convention x86-64 Linux System Call convention: x86-64 Mac OS X is similar but different. TODO: check what *BSD does. Refer to section: "A.2 AMD64 Linux Kernel Conventions" of System V Application Binary Interface AMD64 Architecture Proc...
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Encoding an image file with base64

I want to encode an image into a string using the base64 module. I've ran into a problem though. How do I specify the image I want to be encoded? I tried using the directory to the image, but that simply leads to the directory being encoded. I want the actual image file to be encoded. ...
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Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... 它的函数只能返回字串,无法返回数组 它不支持面向对象,你无法实现一些优雅的设计模式 它是解释型的,一边解释一边执行,连PHP那种预编译都不是,如果你的脚本包含错误(例如调用了不存在的函数),只要没执行到这...
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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...
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What's the difference between using CGFloat and float?

...e introduced to make it easier to write code that works on both 32-bit and 64-bit without modification. However, if all you need is float precision within your own code, you can still use float if you like — it will reduce your memory footprint somewhat. Same goes for integer values. I suggest y...
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ArrayBuffer to base64 encoded string

I need an efficient (read native) way to convert an ArrayBuffer to a base64 string which needs to be used on a multipart post. ...
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What does the Visual Studio “Any CPU” target mean?

... An AnyCPU assembly will JIT to 64-bit code when loaded into a 64-bit process and 32 bit when loaded into a 32-bit process. By limiting the CPU you would be saying: There is something being used by the assembly (something likely unmanaged) that requires 3...
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Why does base64 encoding require padding if the input length is not divisible by 3?

What is the purpose of padding in base64 encoding. The following is the extract from wikipedia: 3 Answers ...