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Detecting arrow key presses in JavaScript
... but they should not be necessary. You can try most of them out at http://www.asquare.net/javascript/tests/KeyCode.html.
Note that event.keycode does not work with onkeypress in Firefox, but it does work with onkeydown.
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Error to run Android Studio
...JDK.
The solution is simple:
sudo apt-get install openjdk-7-jdk
http://www.maxmakedesign.co.uk/development/2013/android-studio-tools-jar-classpath/
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How do I PHP-unserialize a jQuery-serialized form?
...rks also with HTML arrays.
See the following for more information:
http://www.php.net/manual/en/function.parse-str.php
Hope that's helpful. Good luck!
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Calling startActivity() from outside of an Activity context
... history like that: Intent intent = new Intent(Intent.ACTION_VIEW, "http:\\www.google.com"));intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); startActivity(intent);
– Bruno Bieri
Jun 20 '13 at 18:47
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How to list all the available keyspaces in Cassandra?
...s.datastax.com/en/cql/3.1/cql/cql_reference/create_keyspace_r.html
https://www.i2tutorials.com/cassandra-tutorial/cassandra-create-keyspace/
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Open a file with su/sudo inside Emacs
... not round-trip sudo via SSH, it uses a subshell. See the manual: https://www.gnu.org/software/tramp/#Inline-methods
Therefore, I recommend that you stick with TRAMP.
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Check for installed packages before running install.packages() [duplicate]
...the install.packages call eg install.packages(x,dep=TRUErepos='http://star-www.st-andrews.ac.uk/cran/')
– moadeep
Mar 1 '13 at 10:36
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
...5 = 3
2.7 = 3
You can check the RoundingMode information here: http://www.javabeat.net/precise-rounding-of-decimals-using-rounding-mode-enumeration/
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“The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine” Error in importing
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I had no luck until I installed the 2010 version link here:
https://www.microsoft.com/en-us/download/details.aspx?id=13255
I tried installing the 32 bit version, it still errored, so I uninstalled it and installed the 64 bit version and it started working.
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cocktail party algorithm SVD implementation … in one line of code?
....fi/ica/cocktail/cocktail_en.cgi.
reference for implementation is http://www.cs.nyu.edu/~roweis/kica.html
ok, here's code -
[x1, Fs1] = audioread('mix1.wav');
[x2, Fs2] = audioread('mix2.wav');
xx = [x1, x2]';
yy = sqrtm(inv(cov(xx')))*(xx-repmat(mean(xx,2),1,size(xx,2)));
[W,s,v] = svd((repmat(...