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Is there a difference between `continue` and `pass` in a for loop in python?
...here any significant difference between the two python keywords continue and pass like in the examples
11 Answers
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How to merge every two lines into one from the command line?
I have a text file with the following format. The first line is the "KEY" and the second line is the "VALUE".
21 Answers
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How to set the font size in Emacs?
...Emacs, set-face-attribute is indeed missing from M-x (execute-extended-command), but it is present in M-: (eval-expression) and C-h f (describe-function). M-: is probably what you want, if you don't want to put this in your .emacs file.
– Rory O'Kane
May 9 '13 ...
How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
I have a Pandas Dataframe as below:
12 Answers
12
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What are the key differences between Scala and Groovy? [closed]
On the surface Groovy and Scala look pretty similar, aside from Scala being statically typed, and Groovy dynamic.
6 Answers...
How to set size for local image using knitr for markdown?
...ge that I would like to include in an .Rmd file which I will then knit and convert to HTML slides with Pandoc . Per this post , this will insert the local image :
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How can I easily convert DataReader to List? [duplicate]
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I have seen systems that use Reflection and attributes on Properties or fields to maps DataReaders to objects. (A bit like what LinqToSql does.) They save a bit of typing and may reduce the number of errors when coding for DBNull etc. Once you cache the generate...
How to revert a merge commit that's already pushed to remote branch?
git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it.
16 Answers
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How can I stop a Postgres script when it encounters an error?
...far from perfection
\set ON_ERROR_STOP on
there exists much more simple and convenient way - use psql with parameter:
psql -v ON_ERROR_STOP=1
better to use also -X parameter turning off .psqlrc file usage.
Works perfectly for me
p.s. the solution found in great post from Peter Eisentraut. Tha...
Java system properties and environment variables
What's the difference between system properties System.getProperties() and environment variables System.getenv() in a JVM?
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