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Generate a heatmap in MatPlotLib using a scatter data set
...as np
import numpy.random
import matplotlib.pyplot as plt
# Generate some test data
x = np.random.randn(8873)
y = np.random.randn(8873)
heatmap, xedges, yedges = np.histogram2d(x, y, bins=50)
extent = [xedges[0], xedges[-1], yedges[0], yedges[-1]]
plt.clf()
plt.imshow(heatmap.T, extent=extent, or...
Trigger change event of dropdown
...s one helps you, and please note that this code is just a rough draft, not tested on any ide. thanks
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Can an int be null in Java?
...ect can be null, like Integer. Here's a basic example to show when you can test for null:
Integer data = check(Node root);
if ( data == null ) {
// do something
} else {
// do something
}
On the other hand, if check() is declared to return int, it can never be null and the whole if-else block ...
Difference between Label and TextBlock
...yle>
</StackPanel.Resources>
<ContentControl Content="Test">
<ContentControl.ContentTemplate>
<DataTemplate>
<TextBlock Text="{Binding}"/>
</DataTemplate>
</ContentControl.ContentTemplate>
...
Multiple arguments vs. options object
...really depends on the exact context.
I use code readability as the litmus test.
For instance, if I have this function call:
checkStringLength(inputStr, 10);
I think that code is quite readable the way it is and passing individual parameters is just fine.
On the other hand, there are functions ...
jquery sortable placeholder height problem
...
ui.placeholder.height(ui.item.height());
}
});
See updated test case
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AngularJS performs an OPTIONS HTTP request for a cross-origin resource
...
NOTE: Not sure it works with the latest version of Angular.
ORIGINAL:
It's also possible to override the OPTIONS request (was only tested in Chrome):
app.config(['$httpProvider', function ($httpProvider) {
//Reset headers to avoid OPTIONS request (aka pre...
How to prevent a scrollview from scrolling to a webview after data is loaded?
... worked so perfectly I had trouble to believe it at first sight and had to test it again.
– YumeYume
Aug 19 '16 at 8:26
1
...
instanceof Vs getClass( )
... == ... is different is that they are doing different things.
instanceof tests whether the object reference on the left-hand side (LHS) is an instance of the type on the right-hand side (RHS) or some subtype.
getClass() == ... tests whether the types are identical.
So the recommendation is to ig...
How to install both Python 2.x and Python 3.x in Windows
... the Python34 folder in C:\ and rename a copy of python.exe to python3.exe
Test: open up commmand prompt and type python2 ....BOOM! Python 2.7.6. exit out.
Test: open up commmand prompt and type python3 ....BOOM! Python 3.4.3. exit out.
Note: (so as not to break pip commands in step 4 and 5, keep ...