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How do I convert a numpy array to (and display) an image?
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@user502144: Thanks for pointing out my error. I should have created an array of shape (h,w,3). (It's now fixed, above.) The length of the first axis can be thought of as the number of rows in the array, and the length of the second axis, the number of columns. So ...
How do I make CMake output into a 'bin' dir?
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English is not my native language; please excuse typing errors.
use this line config :
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/build/)
place your any CMakeLists.txt project.
this ${PROJECT_SOURCE_DIR} is your current source directory where project place .
and if wand...
Version of Apache installed on a Debian machine
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This won't work if there are currently syntax error in your configuration files
– Wolfgang Fahl
Nov 28 '15 at 8:03
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Java Garbage Collection Log messages
...s correctly, I forgot the "+" and my JBoss would not start up, without any error message!
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How to simulate a click with JavaScript?
..., much like modern appliances, have made an old chore much easier and less error prone. It's not the solution for everyone, however, downvoting an answer that accurately answers the question using more concise, understandable syntax while being cross-browser compatible seems backwards. +1.
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How to execute mongo commands through shell scripts?
...ate({\"name\":\"foo\"},{$set:{\"this\":\"that\"}});"
> E QUERY SyntaxError: Unexpected token :
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How can I convert a string to a number in Perl?
...wever, if $var is string could not be converted to numeric, you'll get the error, and $var will be reset to 0:
my $var = 'abc123';
print "var = $var\n";
$var += 0;
print "var = $var\n";
logs
var = abc123
Argument "abc123" isn't numeric in addition (+) at test.pl line 7.
var = 0
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Objective-C categories in static library
...I got stucked on these things for almost half an hour and with a trial and error I just made it out. Any way thanks. This answer worth a +1 and you got that!!!
– Deepukjayan
Jun 25 '12 at 4:17
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What does !! mean in ruby?
...pying from Matt Van Horn's answer with slight modifications:
1 ^ true
TypeError: can't convert true into Integer
!!1 ^ !!true
=> false
I used it to ensure two variables were either both nil, or both not nil.
raise "Inconsistency" if !!a ^ !!b
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Creating a “logical exclusive or” operator in Java
...ated.
This is especially useful if the second operand would results in an error.
e.g.
if (set == null || set.isEmpty())
// or
if (list != null && list.size() > 0)
However with XOR, you always have to evaluate the second operand to get the result so the only meaningful operation is ^.
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