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Android: Background Image Size (in Pixel) which Support All Devices
...ing an Application which will run on all Android Devices. I want to create xhdpi Graphics for My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels.
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About .bash_profile, .bashrc, and where should alias be written in? [duplicate]
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Very nice explanation. Just wonder what it means exactly "bash loads your .bashrc when it starts". Do you mean when the machine starts or when the terminal start?
– Andrea Moro
Nov 3 '14 at 10:40
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How do I use the conditional operator (? :) in Ruby?
...rator, and it works like in C (the parenthesis are not required). It's an expression that works like:
if_this_is_a_true_value ? then_the_result_is_this : else_it_is_this
However, in Ruby, if is also an expression so: if a then b else c end === a ? b : c, except for precedence issues. Both are exp...
dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related
... I had the same issue with a different program (grace) and this fixed it.
– mstringer
Apr 9 '14 at 22:43
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How do I check if an index exists on a table field in MySQL?
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Use SHOW INDEX like so:
SHOW INDEX FROM [tablename]
Docs: https://dev.mysql.com/doc/refman/5.0/en/show-index.html
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How to delete from multiple tables in MySQL?
...letes, yet with referential integrity, there are other ways of doing with EXISTS, NOT EXISTS, IN, NOT IN and etc. But the one above where you specify from which tables to delete with an alias before the FROM clause can get you out of a few pretty tight spots more easily. I tend to reach out to an ...
Saving a Numpy array as an image
I have a matrix in the type of a Numpy array. How would I write it to disk it as an image? Any format works (png, jpeg, bmp...). One important constraint is that PIL is not present.
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Xcode is not currently available from the Software Update server
I have problems with my macport after update to OS X 10.9.
13 Answers
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Effect of a Bitwise Operator on a Boolean in Java
... If the above is true, why is ideone.com/oGSF7c throwing a null pointer exception? If the |= operator was logical, the program should never have run the x.getValue() directive.
– ikromm
Feb 5 '15 at 12:34
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
...target variable, class label, or score) that varies non-linearly with its explanatory variables
non-linear means that the output cannot be reproduced from a linear combination of the inputs (which is not the same as output that renders to a straight line--the word for this is affine).
another way ...