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How to parse a CSV file in Bash?
...ized tool which can handle quoted fields with internal commas, among other issues that Bash can't handle by itself. Examples of such tools are cvstool and csvkit.
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Run R script from command line
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If you want the output to print to the terminal it is best to use Rscript
Rscript a.R
Note that when using R CMD BATCH a.R that instead of redirecting output to standard out and displaying on the terminal a new file called a.Rout will be created.
R CMD BATCH a.R
# Check t...
Fastest way to remove first char in a String
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The second option really isn't the same as the others - if the string is "///foo" it will become "foo" instead of "//foo".
The first option needs a bit more work to understand than the third - I would view the Substring option as the most common and...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
It is possible to create a primary key or unique index within a SQL Server CREATE TABLE statement. Is it possible to create a non-unique index within a CREATE TABLE statement?
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Efficiently convert rows to columns in sql server
...efficient way to convert rows to columns in SQL server, I heard that PIVOT is not very fast, and I need to deal with lot of records.
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ApartmentState for dummies
I just corrected a bug using this:
1 Answer
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Twitter Bootstrap - how to center elements horizontally or vertically
is there any way to center html elements vertically or horizontally inside the main parents?
12 Answers
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How to compare two dates?
How would I compare two dates to see which is later, using Python?
5 Answers
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Find all storage devices attached to a Linux machine [closed]
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/proc/partitions will list all the block devices and partitions that the system recognizes. You can then try using file -s <device> to determine what kind of filesystem is present on the partition, if any.
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Delete commits from a branch in Git
...NGES. Be sure to stash any local changes you want to keep before running this command.
Assuming you are sitting on that commit, then this command will wack it...
git reset --hard HEAD~1
The HEAD~1 means the commit before head.
Or, you could look at the output of git log, find the commit id of t...