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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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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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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 ...
Why is Java's Iterator not an Iterable?
Why does the Iterator interface not extend Iterable ?
16 Answers
16
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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
13
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NUnit Unit tests not showing in Test Explorer with Test Adapter installed
...fter building, rebuilding, cleaning, restarting, nothing shows up in Test Explorer. Why would this be happening? I'm using VS2013 Ultimate.
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JavaScript data formatting/pretty printer
...at: I made this function from one I made for Lua (which is much more complex) which handled this indentation issue.
Here is the "simple" version:
function DumpObject(obj)
{
var od = new Object;
var result = "";
var len = 0;
for (var property in obj)
{
var value = obj[property];
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ASP.NET 2.0 - How to use app_offline.htm
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I have used the extremely handy app_offline.htm trick to shut down/update sites in the past without any issues.
Be sure that you are actually placing the "app_offline.htm" file in the "root" of the website that you have configured within IIS...