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How do I use shell variables in an awk script?
...lock as well:
If you have multiple variables:
awk -v a="$var1" -v b="$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 ...
Python speed testing - Time Difference - milliseconds
What is the proper way to compare 2 times in Python in order to speed test a section of code? I tried reading the API docs. I'm not sure I understand the timedelta thing.
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Prevent HTML5 video from being downloaded (right-click saved)?
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20 Answers
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How to change value of process.env.PORT in node.js?
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285
For just one run (from the unix shell prompt):
$ PORT=1234 node app.js
More permanently:
$...
How does the “final” keyword in Java work? (I can still modify an object.)
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527
You are always allowed to initialize a final variable. The compiler makes sure that you can do...
What is __stdcall?
I'm learning about Win32 programming, and the WinMain prototype looks like:
8 Answers
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Sqlite primary key on multiple columns
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824
According to the documentation, it's
CREATE TABLE something (
column1,
column2,
column...
How to see the changes between two commits without commits in-between?
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12 Answers
12
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AngularJS ng-class if-else expression
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526
Use nested inline if-then statements (Ternary Operators)
<div ng-class=" ... ? 'class-1' : (...