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Format date and time in a Windows batch script
In a Windows (Windows XP) batch script I need to format the current date and time for later use in files names, etc.
33 An...
Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
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Here's some fun valid XML for you:
<!DOCTYPE x [ <!ENTITY y "a]>b"> ]>
<x>
<a b="&y;>" />
<![CDATA[[a>b <a>b <a]]>
<?x <a> <!-- <b> ?> c --> d
</x>
And this little bundle of joy is valid HTML:
<!DOC...
Remove padding from columns in Bootstrap 3
Problem:
26 Answers
26
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Unicode characters in URLs
In 2010, would you serve URLs containing UTF-8 characters in a large web portal?
7 Answers
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How to randomize (or permute) a dataframe rowwise and columnwise?
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Given the R data.frame:
> df1
a b c
1 1 1 0
2 1 0 0
3 0 1 0
4 0 0 0
Shuffle row-wise:
> df2 <- df1[sample(nrow(df1)),]
> df2
a b c
3 0 1 0
4 0 0 0
2 1 0 0
1 1 1 0
By default sample() randomly reorders the elements passed as the first argumen...
SQL query to find record with ID not in another table
I have two tables with binding primary key in database and I desire to find a disjoint set between them. For example,
6 Ans...
When should Flask.g be used?
I saw that g will move from the request context to the app context in Flask 0.10, which made me confused about the intended use of g .
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JavaScript + Unicode regexes
...ation, edition 6, includes Unicode-aware regular expressions. Support must be enabled with the u modifier on the regex. See Unicode-aware regular expressions in ES6.
Until ES 6 is finished and widely adopted among browser vendors you're still on your own, though. Update: There is now a transpiler na...
Twitter image encoding challenge [closed]
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Alright, here's mine: nanocrunch.cpp and the CMakeLists.txt file to build it using CMake. It relies on the Magick++ ImageMagick API for most of its image handling. It also requires the GMP library for bignum arithmetic for its string encoding.
I based my solution off of fractal image compr...
How can I use Bash syntax in Makefile targets?
I often find Bash syntax very helpful, e.g. process substitution like in diff <(sort file1) <(sort file2) .
6 Answ...