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How to select the nth row in a SQL database table?
..., but a lot of databases support their own way of doing it.
A really good site that talks about this and other things is http://troels.arvin.dk/db/rdbms/#select-limit.
Basically, PostgreSQL and MySQL supports the non-standard:
SELECT...
LIMIT y OFFSET x
Oracle, DB2 and MSSQL supports the stand...
Using wget to recursively fetch a directory with arbitrary files in it
...of course), otherwise it will follow the link in the directory index on my site to the parent directory. So the command would look like this:
wget --recursive --no-parent http://example.com/configs/.vim/
To avoid downloading the auto-generated index.html files, use the -R/--reject option:
wget -...
Should I call Close() or Dispose() for stream objects?
...YI here's an article on the MSDN blogs that explains the Close and Dispose fun. blogs.msdn.com/b/kimhamil/archive/2008/03/15/…
– JamieSee
Apr 16 '15 at 23:17
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How to split data into training/testing sets using sample function
...row(mtcars))
## set the seed to make your partition reproducible
set.seed(123)
train_ind <- sample(seq_len(nrow(mtcars)), size = smp_size)
train <- mtcars[train_ind, ]
test <- mtcars[-train_ind, ]
share
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Test PHP headers with PHPUnit
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The issue is that PHPUnit will print a header to the screen and at that point you can't add mo...
How to prevent logback from outputting its own status at the start of every log when using a layout
...t;
<appender-ref ref="STDOUT" />
</root>
<logger name="fun.n.games" level="DEBUG" />
This is running with the following entry in the pom.xml
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</art...
Can you delete multiple branches in one command with Git?
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You can use git branch --list to list the eligible branches, and use git branch -D/-d to remov...
Could not load file or assembly 'System.Data.SQLite'
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System.Data.SQLite.dll is a mixed assembly, i.e. it contains both managed code and native code...
X-Frame-Options Allow-From multiple domains
I have an ASP.NET 4.0 IIS7.5 site which I need secured using the X-Frame-Options header.
11 Answers
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How to evaluate http response codes from bash/shell script?
...v/null www.bbc.co.uk/news)
if [[ "$status_code" -ne 200 ]] ; then
echo "Site status changed to $status_code" | mail -s "SITE STATUS CHECKER" "my_email@email.com" -r "STATUS_CHECKER"
else
exit 0
fi
This will send an email alert on every state change from 200, so it's dumb and potentially greed...