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What is in your Mathematica tool bag? [closed]
...parseArray all with the one liner:
SelectEquivalents[hamlst,
#[[;; 3]] &,
#[[{4, 5}]] -> (Complex @@ #[[6 ;;]]) &,
{#1, SparseArray[#2]} &]
Honestly, this is my Swiss Army Knife, and it makes complex things very simple. Most of my other tools are somewhat doma...
How do I iterate over a range of numbers defined by variables in Bash?
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for i in $(seq 1 $END); do echo $i; done
edit: I prefer seq over the other methods because I c...
How to check if a given directory exists in Ruby
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Totor
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answered Jul 6 '09 at 3:12
EmilyEmily
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Difference between single and double quotes in Bash
... echo '$(echo "upg")'
$(echo "upg")
The Bash manual has this to say:
3.1.2.2 Single Quotes
Enclosing characters in single quotes (') preserves the literal value of each character within the quotes. A single quote may not occur between single quotes, even when preceded by a backslash.
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How to create index on JSON field in Postgres?
In PostgreSQL 9.3 Beta 2 (?), how do I create an index on a JSON field? I tried it using the -> operator used for hstore but got the following error:
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Error when testing on iOS simulator: Couldn't register with the bootstrap server
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31 Answers
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Is there a way to specify an “empty” C# lambda expression?
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234
Action doNothing = () => { };
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Is there a difference between PhoneGap and Cordova commands?
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http://phonegap.com/blog/2012/03/19/phonegap-cordova-and-whate28099s-in-a-name/
I think this url explains what you need.
Phonegap is built on Apache Cordova nothing else. You can think of Apache Cordova as the engine that powers PhoneGap. Over time, the P...
Should have subtitle controller already set Mediaplayer error Android
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3 Answers
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Why does Node.js' fs.readFile() return a buffer instead of string?
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edited Feb 10 '18 at 11:32
Tomáš Zato - Reinstate Monica
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