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chr in Perl |
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chr NUMBER
chr Returns the character represented by that NUMBER in the character set. For example, chr(65) is "A" in either ASCII or Unicode, and chr(0x263a) is a Unicode smiley face. Note that characters from 128 to 255 (inclusive) are by default not encoded in UTF-8 Unicode for backward compatibility reasons (but see encoding). Negative values give the Unicode replacement character (chr(0xfffd)), except under the bytes pragma, where low eight bits of the value (truncated to an integer) are used. If NUMBER is omitted, uses $_. For the reverse, use "ord". Note that under the bytes pragma the NUMBER is masked to the low eight bits. Add by Pancho You can edit it here |
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| From the Heart: How Cells Divide to Form Different but Related Muscle Groups
Using the model organism Ciona intestinalis, commonly known as the sea squirt, researchers at the University of California, Berkeley, have uncovered the origins of the second heart field in vertebrates. Sea squirts are bag-like gelatinous creatures whose full genome has been sequenced--one that shares 80 percent of its genes with humans. Though its body is clearly more primitive than creatures with backbones and spinal columns, the sea squirt nevertheless offers a valuable ...
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