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How do I Convert DateTime.now to UTC in Ruby?
...nclude everything you need:
irb(main):016:0> Time.now
=> Thu Apr 16 12:40:44 +0100 2009
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Eclipse and Windows newlines
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edited Sep 24 '12 at 9:41
answered Dec 11 '09 at 12:01
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Why sizeof int is wrong, while sizeof(int) is right?
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edited Oct 29 '12 at 17:49
answered Oct 29 '12 at 11:17
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How to retrieve Request Payload
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answered Mar 7 '12 at 7:00
IkkeIkke
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Do browsers send “\r\n” or “\n” or does it depend on the browser?
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answered Jun 12 '11 at 19:38
Ted HoppTed Hopp
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Convert unix time to readable date in pandas dataframe
...int64(1)
In [23]: df.head()
Out[23]:
date price
0 1349720105 12.08
1 1349806505 12.35
2 1349892905 12.15
3 1349979305 12.19
4 1350065705 12.15
In [25]: df['date'] = pd.to_datetime(df['date'],unit='s')
In [26]: df.head()
Out[26]:
date price
0 2012-10-08 18:15...
How to get awaitable Thread.Sleep?
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answered Nov 17 '12 at 11:28
Jon SkeetJon Skeet
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Difference between .keystore file and .jks file
...format, but the API can also be used with other file types, typically PKCS#12. When you want to load a keystore, you must specify its keystore type. The conventional extensions would be:
.jks for type "JKS",
.p12 or .pfx for type "PKCS12" (the specification name is PKCS#12, but the # is not used i...
Which rows are returned when using LIMIT with OFFSET in MySQL?
...e query. Then you limit by 18. Which means you consider records 9, 10, 11, 12, 13, 14, 15, 16....24, 25, 26 which are a total of 18 records.
Check this out.
And also the official documentation.
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R - Concatenate two dataframes?
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a b c
1 0 3 6
2 1 4 7
3 2 5 8
> b <- data.frame(a=c(9,10,11), c=c(12,13,14))
> b
a c
1 9 12
2 10 13
3 11 14
> b$b <- NA
> b
a c b
1 9 12 NA
2 10 13 NA
3 11 14 NA
> new <- rbind(a,b)
> new
a b c
1 0 3 6
2 1 4 7
3 2 5 8
4 9 NA 12
5 10 NA 13
6 11 ...