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MySQL, update multiple tables with one query
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456
Take the case of two tables, Books and Orders. In case, we increase the number of books in a p...
Saving images in Python at a very high quality
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154
If you are using matplotlib and trying to get good figures in a latex document, save as an eps. ...
How to git-svn clone the last n revisions from a Subversion repository?
...to start your clone at ( -r$REV:HEAD).
For example: git svn clone -s -r1450:HEAD some/svn/repo
Git's data structure is based on pointers in a directed acyclic graph (DAG), which makes it trivial to walk back n commits. But in SVN ( and therefore in Git-SVN) you will have to find the revision n...
Adding code to a javascript function programmatically
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driangledriangle
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Force drop mysql bypassing foreign key constraint
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-44
Since you are not interested in keeping any data, drop the entire database and create a new one...
How do I Moq a method that has an optional argument in its signature without explicitly specifying i
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answered Oct 19 '12 at 16:41
Chris MantleChris Mantle
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Relative frequencies / proportions with dplyr
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mutate(freq = n / sum(n))
# am gear n freq
# 1 0 3 15 0.7894737
# 2 0 4 4 0.2105263
# 3 1 4 8 0.6153846
# 4 1 5 5 0.3846154
From the dplyr vignette:
When you group by multiple variables, each summary peels off one level of the grouping. That makes it easy to prog...
How do you specify the Java compiler version in a pom.xml file?
... Michel
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answered May 23 '13 at 20:44
Sean Patrick FloydSean Patrick Floyd
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Ignoring an already checked-in directory's contents?
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answered Aug 25 '09 at 18:24
Gordon WilsonGordon Wilson
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