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How is Racket different from Scheme?
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Racket is ultimately based on R5RS, and not R6RS and not a strict superset of either. I don't think it can be called 'Scheme' because it's not backwards compatible with any Scheme standard.
Most implementations offer extensions, but are otherwise backwards compatible, of course, the compiler th...
What's the point of malloc(0)?
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Personally, I think setting to NULL is a better cross-platform strategy, since free() is guaranteed (by spec) to work fine on NULL as input.
– Reed Copsey
Jan 7 '10 at 17:50
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How do I tell CPAN to install all dependencies?
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Try setting PERL_MM_USE_DEFAULT like so:
PERL_MM_USE_DEFAULT=1 perl -MCPAN -e 'install My::Module'
It should make CPAN answer the default to all prompts.
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What is the (function() { } )() construct in JavaScript?
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It’s an Immediately-Invoked Function Expression, or IIFE for short. It executes immediately after it’s created.
It has nothing to do with any event-handler for any events (such as document.onload).
Consider the part within the first pair of parenthes...
How to remove elements from a generic list while iterating over it?
I am looking for a better pattern for working with a list of elements which each need processed and then depending on the outcome are removed from the list.
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hash function for string
...unction; they've been optimized heavily for common use-cases.
If your dataset is static, however, your best solution is probably to use a perfect hash. gperf will generate a perfect hash for you for a given dataset.
share
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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...系统映像及恢复删除的数据（FAT文件系统格式描述）Getting-the-File-System-Image-and-Deleted-Data-RecoveryFAT 文件格式 数据恢复大多数的 flash驱动器的文件系统都采用 FAT 格式。下面介绍下这种系统格式， FAT 系统由三个主要部分构成：保...
获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...系统映像及恢复删除的数据（FAT文件系统格式描述）Getting-the-File-System-Image-and-Deleted-Data-RecoveryFAT 文件格式 数据恢复大多数的 flash驱动器的文件系统都采用 FAT 格式。下面介绍下这种系统格式， FAT 系统由三个主要部分构成：保...
获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...系统映像及恢复删除的数据（FAT文件系统格式描述）Getting-the-File-System-Image-and-Deleted-Data-RecoveryFAT 文件格式 数据恢复大多数的 flash驱动器的文件系统都采用 FAT 格式。下面介绍下这种系统格式， FAT 系统由三个主要部分构成：保...
获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...系统映像及恢复删除的数据（FAT文件系统格式描述）Getting-the-File-System-Image-and-Deleted-Data-RecoveryFAT 文件格式 数据恢复大多数的 flash驱动器的文件系统都采用 FAT 格式。下面介绍下这种系统格式， FAT 系统由三个主要部分构成：保...