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Simple way to calculate median with MySQL
... the two middle numbers on even number sets.
So, here's velcro's solution patched to handle both odd and even number sets:
SELECT AVG(middle_values) AS 'median' FROM (
SELECT t1.median_column AS 'middle_values' FROM
(
SELECT @row:=@row+1 as `row`, x.median_column
FROM median_tabl...
Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
...besides being released in 2013 and thus having missed out on four years of patches big and small) has a arbitrary code execution vulnerability: gist.github.com/frohoff/24af7913611f8406eaf3
– mseebach
Jul 31 '17 at 11:13
...
Is there a library function for Root mean square error (RMSE) in python?
...oot mean squared error in python:
import numpy as np
d = [0.000, 0.166, 0.333] #ideal target distances, these can be all zeros.
p = [0.000, 0.254, 0.998] #your performance goes here
print("d is: " + str(["%.8f" % elem for elem in d]))
print("p is: " + str(["%.8f" % elem for elem in p]))
def r...
Plot two histograms on single chart with matplotlib
...plt.subplots()
ax2 = ax1.twinx()
ax1.hist([y1, y2], color=colors)
n, bins, patches = ax1.hist([y1,y2])
ax1.cla() #clear the axis
#plots the histogram data
width = (bins[1] - bins[0]) * 0.4
bins_shifted = bins + width
ax1.bar(bins[:-1], n[0], width, align='edge', color=colors[0])
ax2.bar(bins_shifte...
App Inventor 2 列表代码块 · App Inventor 2 中文网
...back h6 { margin-top: 0 !important; margin-bottom: 0 !important; color:#333; } .feedback-pop { position: fixed; right: 4px; top: 40%; background: #fff; box-sizing: border-box; border-radius: 4px; font-size: 15px; color: #1a1a1a; text-align: center; cursor: pointer; padding: 12px ...
Is there a way to run Python on Android?
...
Cross-Compilation & Ignifuga
My blog has instructions and a patch for cross compiling Python 2.7.2 for Android.
I've also open sourced Ignifuga, my 2D Game Engine. It's Python/SDL based, and it cross compiles for Android. Even if you don't use it for games, you might get useful ideas...
Visual Studio opens the default browser instead of Internet Explorer
...
Thanks for that. Everytime I patch VS it resets the default browser back to IE. It was driving me nuts opening a webforms project just so I could change it back to Firefox.
– Nick
Sep 1 '09 at 11:15
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difference between offsetHeight and clientHeight
...:50
juls
333 bronze badges
answered Jul 15 '15 at 20:03
ElmueElmue
5,2753939 silver bad...
Difference between “or” and || in Ruby? [duplicate]
...p;&, || and ! instead. (The Rails core developers, for example, reject patches which use the keyword forms instead of the operator forms.)
The reason why they exist at all, is not for boolean formulae but for control flow. They made their way into Ruby via Perl's well-known do_this or do_that i...
Setting up maven dependency for SQL Server
...
The jtds driver had problems with ssl in java 8 (patched but not released) so we switched to sqljdbc4
– rychu
Jun 19 '17 at 10:12
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