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How do I use shell variables in an awk script?
...-v b="$var2" 'BEGIN {print a,b}'
Warning. As Ed Morton writes, escape sequences will be interpreted so \t becomes a real tab and not \t if that is what you search for. Can be solved by using ENVIRON[] or access it via ARGV[]
PS If you like three vertical bar as separator |||, it can't be escaped...
BigDecimal equals() versus compareTo()
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The answer is in the JavaDoc of the equals() method:
Unlike compareTo, this method considers two BigDecimal objects equal only if they are equal in value and scale (thus 2.0 is not equal to 2.00 when compared by this method).
In other words: equals() check...
Is 1.0 a valid output from std::generate_canonical?
...(0xffffffd9u), which when rounded to 32-bit float gives 0x1p+32, which is equal to the max value of mt19937, 4294967295 (0xffffffffu) when that is also rounded to 32-bit float.
The standard could ensure correct behavior if it were to specify that when converting from the output of the URNG to the R...
Why are only final variables accessible in anonymous class?
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stackoverflow.com/questions/7472195/…
– Ustaman Sangat
Sep 19 '11 at 14:04
11
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How can I wrap text to some length in Vim?
...you can reformat your text by highlighting it (in visual mode) and typing gq. (textwidth can be abbreviated as tw, thus :set tw=30.)
Option 2 can be toggled by running :set wrap / :set nowrap. This will wrap lines which are too long for the window.
Both are independent.
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Const in JavaScript: when to use it and is it necessary?
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There are two aspects to your questions: what are the technical aspects of using const instead of var and what are the human-related aspects of doing so.
The technical difference is significant. In compiled languages, a constant will be replaced at compi...
How can I manipulate the strip text of facet_grid plots?
...ondering how I can manipulate the size of strip text in facetted plots. My question
is similar to a question on plot titles , but I'm specifically concerned with
manipulating not the plot title but the text that appears in facet titles (strip_h).
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What are the most useful Intellij IDEA keyboard shortcuts? [closed]
...ut didn't really spot anything that helped. Hopefully the answers to this question will fill the void.
21 Answers
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Extending the User model with custom fields in Django
...uting a custom User model
Some kinds of projects may have authentication requirements for which Django’s built-in User model is not always appropriate. For instance, on some sites it makes more sense to use an email address as your identification token instead of a username.
[Ed: Two warnings and ...
Rename master branch for both local and remote Git repositories
... difference to the answer whether you are on master or another branch. The question was badly titled though, it asks about a task more complex than just renaming a branch.
– Aristotle Pagaltzis
Aug 29 '12 at 8:12
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