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Commenting multiple lines in DOS batch file
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answered Dec 15 '11 at 21:39
pdubspdubs
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List all of the possible goals in Maven 2?
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120
The goal you indicate in the command line is linked to the lifecycle of Maven. For example, the...
How to sum a variable by group
...quency, by=list(Category=x$Category), FUN=sum)
Category x
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2 Second 5
3 Third 34
In the example above, multiple dimensions can be specified in the list. Multiple aggregated metrics of the same data type can be incorporated via cbind:
aggregate(cbind(x$Frequency, x$Metric2,...
python dataframe pandas drop column using int
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172
You can delete column on i index like this:
df.drop(df.columns[i], axis=1)
It could work stra...
How to downgrade or install an older version of Cocoapods
... of cocoa pods via the following command:
sudo gem install cocoapods -v 0.25.0
You can use older installed versions with following command:
pod _0.25.0_ setup
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Difference between declaring variables before or in loop?
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int a[] = {1,2,}; Weird comma allowed. Any particular reason?
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Hidden Features of JavaScript? [closed]
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set date in input type date
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Fiddle link : http://jsfiddle.net/7LXPq/93/
Two problems in this:
Date control in HTML 5 acce...