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cocktail party algorithm SVD implementation … in one line of code?
...udioread('mix2.wav');
xx = [x1, x2]';
yy = sqrtm(inv(cov(xx')))*(xx-repmat(mean(xx,2),1,size(xx,2)));
[W,s,v] = svd((repmat(sum(yy.*yy,1),size(yy,1),1).*yy)*yy');
a = W*xx; %W is unmixing matrix
subplot(2,2,1); plot(x1); title('mixed audio - mic 1');
subplot(2,2,2); plot(x2); title('mixed audio - m...
Why is Hibernate Open Session in View considered a bad practice?
...ree important points:
each lazy initialization will get you a query meaning each entity will need N + 1 queries, where N is the number of lazy associations. If your screen presents tabular data, reading Hibernate’s log is a big hint that you do not do as you should
this completely defeats...
Where does the iPhone Simulator store its data?
... DB that I'm using to store app data, and I could do with taking a look inside it to debug a problem I'm having - but where does the iPhone Simulator store its data, typically?
...
Good Haskell source to read and learn from [closed]
...k a small number of types and start with a central question: "What does it mean?". When I see low-level code, e.g., imperative/IO, I ask "Of what denotative abstraction is this code an implementation, and how might that implementation be derived from the abstraction?"
– Conal
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Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]
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/usr/local/ssl/openssl.cnf
A path like this means the program has been compiled with either Cygwin or MSYS. If you must use this openssl then you will need an interpreter that understands those paths, like Bash, which is provided by Cygwin or MSYS.
Another option woul...
jQuery to serialize only elements within a div
...exactly like serializing a form but using a div's content instead.
$('#divId :input').serialize();
Check https://jsbin.com/xabureladi/1 for a demonstration (https://jsbin.com/xabureladi/1/edit for the code)
share
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How to detect the screen resolution with JavaScript?
... the exact size is that it's checking the available width and height, this means that it will subtract the toolbar height (which is exactly 40px on windows 7/8)
– Jaruba
Apr 12 '15 at 6:02
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Difference between Node object and Element object?
...lly confused between Node object and Element object.
document.getElementById() returns Element object while document.getElementsByClassName()
returns NodeList object(Collection of Elements or Nodes?)
...
Why should the Gradle Wrapper be committed to VCS?
...
Not really sure what you mean. But if you have build.gradle in version control and in it you have: task wrapper(type: Wrapper) { gradleVersion = 'X.X' } Then gradle wrapper will download the wrapper that was used, and you can reproduce the old buil...
Multiple select statements in Single query
...ve tables. An alternate method may be as follows:
SELECT COUNT(user_table.id) AS TableCount,'user_table' AS TableSource FROM user_table
UNION SELECT COUNT(cat_table.id) AS TableCount,'cat_table' AS TableSource FROM cat_table
UNION SELECT COUNT(course_table.id) AS TableCount, 'course_table' AS Table...