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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...
What is the best way to do GUIs in Clojure?
...e's @Abhijith and @dsm's example, translated pretty literally:
(ns seesaw-test.core
(:use seesaw.core))
(defn handler
[event]
(alert event
(str "<html>Hello from <b>Clojure</b>. Button "
(.getActionCommand event) " clicked.")))
(-> (frame :title "Hello Swing" ...
Undo changes in entity framework entities
... Not following you - performance of disposing and recreating connection. I tested it on existing project and it finished somewhat faster then above Rollback procedure, which makes it far better choice if one wants to revert entire database state. Rollback could cherry pick tho.
...
How to know when UITableView did scroll to bottom in iPhone
...
The best way is to test a point at the bottom of the screen and use this method call when ever the user scrolls (scrollViewDidScroll):
- (NSIndexPath *)indexPathForRowAtPoint:(CGPoint)point
Test a point near the bottom of the screen, and the...
How to use Git Revert
...e clear, with a log like this:
# git log --oneline
cb76ee4 wrong
01b56c6 test
2e407ce first commit
Using git revert cb76ee4 will by default bring your files back to 01b56c6 and will add a further commit to your history:
8d4406b Revert "wrong"
cb76ee4 wrong
01b56c6 test
2e407ce first commit
gi...
How can I run a program from a batch file without leaving the console open after the program starts?
...ance, this batch-file will wait until notepad exits:
@echo off
notepad c:\test.txt
However, this won't:
@echo off
start notepad c:\test.txt
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How to use UIVisualEffectView to Blur Image?
...anslucent layer over my screen and not blurring - it was all because I was testing on an older device
– Keith
Jan 29 '16 at 14:30
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show 7 m...
Pros and cons of Java rules engines [closed]
... across OpenRules, which is easy to integrate with Java and, as far as our testing has shown, fast enough. The main advantage of OpenRules above the others is the way the rules are modified and handled. It all happens in Excel tables, which is the easiest way for non-programmers. Everybody involved,...
Docker - how can I copy a file from an image to a host?
... vs actually copying the bytes of the file in the second example. A useful test would be to see if cat a >b vs cp a b have similar timings as shown here. Also, if the source path and destination path reside on different file systems, then both examples will lead to a full byte-for-byte copy.
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Android SDK installation doesn't find JDK
... that the likely Windows haters that coded this never bothered to actually test it, and their Unix forwardslashes weren't converted to Windows backslashes.
– Kenton Price
May 20 '12 at 1:38
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