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How to resolve symbolic links in a shell script
Given an absolute or relative path (in a Unix-like system), I would like to determine the full path of the target after resolving any intermediate symlinks. Bonus points for also resolving ~username notation at the same time.
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Check for installed packages before running install.packages() [duplicate]
I have an R script that is shared with several users on different computers. One of its lines contains the install.packages("xtable") command.
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Extract file basename without path and extension in bash [duplicate]
...basename command. Instead, you could use the following commands:
$ s=/the/path/foo.txt
$ echo "${s##*/}"
foo.txt
$ s=${s##*/}
$ echo "${s%.txt}"
foo
$ echo "${s%.*}"
foo
Note that this solution should work in all recent (post 2004) POSIX compliant shells, (e.g. bash, dash, ksh, etc.).
Source: Sh...
How to assign bean's property an Enum value in Spring config file?
I have a standalone enum type defined, something like this:
9 Answers
9
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Decimal precision and scale in EF Code First
I'm experimenting with this code-first approach, but I'm find out now that a property of type System.Decimal gets mapped to a sql column of type decimal(18, 0).
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how to iterate through dictionary in a dictionary in django template?
...the data.items() method to get the dictionary elements. Note, in django templates we do NOT put (). Also some users mentioned values[0] does not work, if that is the case then try values.items.
<table>
<tr>
<td>a</td>
<td>b</td>
<td...
Export specific rows from a PostgreSQL table as INSERT SQL script
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Create a table with the set you want to export and then use the command line utility pg_dump to export to a file:
create table export_table as
select id, name, city
from nyummy.cimory
where city = 'tokyo'
$ pg_dump --table=export_table --data-only --column-insert...
Why does HTML think “chucknorris” is a color?
How come certain random strings produce colors when entered as background colors in HTML? For example:
9 Answers
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Detect iPad users using jQuery?
Is there a way to detect if the current user is using an iPad using jQuery/JavaScript?
4 Answers
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Optimal way to concatenate/aggregate strings
...different rows into a single row. I'm looking to do this in many different places, so having a function to facilitate this would be nice. I've tried solutions using COALESCE and FOR XML , but they just don't cut it for me.
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