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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
... I think these are the questions you need to answer before trying anything more advanced. Baby steps!
– karlphillip
Jan 25 '12 at 12:40
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Ways to iterate over a list in Java
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Copying the GNU screen scrollback buffer to a file (extended hardcopy)
How do I easily copy the GNU Screen scrollback buffer to a file? I.e., a more powerful version of the 'hardcopy' command?
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Bootstrap 3 Glyphicons are not working
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How to pass command line argument to gnuplot?
... variable
$ cat foo.plg
plot filename
pause -1
To make "foo.plg" a bit more generic, use a conditional:
if (!exists("filename")) filename='default.dat'
plot filename
pause -1
Note that -e has to precede the filename otherwise the file runs before the -e statements. In particular, running a sh...
Convert file: Uri to File in Android
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Is it possible to set the equivalent of a src attribute of an img tag in CSS?
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Null coalescing in powershell
...u might also consider wrapping it in a very simple function to make things more readable:
function Coalesce($a, $b) { if ($a -ne $null) { $a } else { $b } }
$s = Coalesce $myval "new value"
or possibly as, IfNull:
function IfNull($a, $b, $c) { if ($a -eq $null) { $b } else { $c } }
$s = IfNull...
How do you get the footer to stay at the bottom of a Web page?
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Does java have a int.tryparse that doesn't throw an exception for bad data? [duplicate]
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