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How to normalize a NumPy array to within a certain range?
After doing some processing on an audio or image array, it needs to be normalized within a range before it can be written back to a file. This can be done like so:
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How do I create test and train samples from one dataframe with pandas?
...and I was wondering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing.
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Trigger a keypress/keydown/keyup event in JS/jQuery?
...ts with a direct call to them, like this:
$(function() {
$('item').keydown();
$('item').keypress();
$('item').keyup();
$('item').blur();
});
Does that do what you're trying to do?
You should probably also trigger .focus() and potentially .change()
If you want to trigger the key-...
How to print a debug log?
...mentionning that, btw you can also set the value of error_log to 'php://stdout' when debugging a console app and have the error messages appear straight to console, ie: error_log("You messed up!", 3, "php://stdout");
– stefgosselin
May 21 '11 at 12:38
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How can I rollback a github repository to a specific commit?
... edited Nov 13 '15 at 2:00
SeldomNeedy
7121010 silver badges1919 bronze badges
answered Dec 7 '10 at 1:03
jt...
How to check if activity is in foreground or in visible background?
...nditions are met.
The source also mentions two wrong solutions...so avoid doing that.
Source: stackoverflow
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Disable a Button
...boolean value for NO in Swift is false.
button.isEnabled = false
should do it.
Here is the Swift documentation for UIControl's isEnabled property.
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How to find a Java Memory Leak
How do you find a memory leak in Java (using, for example, JHat)? I have tried to load the heap dump up in JHat to take a basic look. However, I do not understand how I am supposed to be able to find the root reference ( ref ) or whatever it is called. Basically, I can tell that there are several hu...
What is the best way to remove a table row with jQuery?
...:
<tr id="myTableRow"><td>blah</td></tr>
If you don't have an id, you can use any of jQuery's plethora of selectors.
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String formatting in Python 3
I do this in Python 2:
4 Answers
4
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