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Undefined method 'task' using Rake 0.9.0
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119
I had the same exception when running the 0.9.0.beta.4 version of Rake.
It looks like the new ...
Why array implements IList?
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edited May 11 '11 at 18:45
answered May 11 '11 at 18:22
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Most efficient way to store thousand telephone numbers
...etera, up to the count of phone numbers for which the first m bits are 1...11 - this last count is 1000(decimal). There are 2^m such counts and each count is at most 1000. If we omit the last one (because we know it is 1000 anyway), we can store all of these numbers in a contiguous block of (2^m - 1...
Split column at delimiter in data frame [duplicate]
....frame.
I added a "x|y" line to avoid ambiguities:
df <- data.frame(ID=11:13, FOO=c('a|b','b|c','x|y'))
foo <- data.frame(do.call('rbind', strsplit(as.character(df$FOO),'|',fixed=TRUE)))
Or, if you want to replace the columns in the existing data.frame:
within(df, FOO<-data.frame(do.cal...
Using jQuery to replace one tag with another
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edited Aug 23 '11 at 0:26
answered Aug 17 '11 at 13:13
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2024年11月11日签到记录贴 - 签到区 - 清泛IT社区，为创新赋能！
...成的,如果您还未签到,请点此进行签到的操作. 我在 2024-11-11 07:37 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 8,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2024-11-11 11:32 完...
How to find the extension of a file in C#?
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11 Answers
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Why is a boolean 1 byte and not 1 bit of size?
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answered Jan 7 '11 at 15:03
Paul TomblinPaul Tomblin
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Why is “int i = 2147483647 + 1;” OK, but “byte b = 127 + 1;” is not compilable?
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answered Jul 31 '11 at 11:34
MByDMByD
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