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Rounding a double to turn it into an int (java)
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241
What is the return type of the round() method in the snippet?
If this is the Math.round() metho...
dyld: Library not loaded … Reason: Image not found
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31 Answers
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Comparing two byte arrays in .NET
...numerable.SequenceEqual method.
using System;
using System.Linq;
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var a1 = new int[] { 1, 2, 3};
var a2 = new int[] { 1, 2, 3};
var a3 = new int[] { 1, 2, 4};
var x = a1.SequenceEqual(a2); // true
var y = a1.SequenceEqual(a3); // false
If you can't use .NET 3.5 for some reason, your method is ...
How to solve PHP error 'Notice: Array to string conversion in…'
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112
When you have many HTML inputs named C[] what you get in the POST array on the other end is an...
Convert Year/Month/Day to Day of Year in Python
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261
There is a very simple solution:
from datetime import datetime
day_of_year = datetime.now().tim...
Append an object to a list in R in amortized constant time, O(1)?
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17 Answers
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How to replace plain URLs with links?
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+100
First off, rolling your own regexp to parse URLs is a terrible idea. You must imagine this is a common enough problem that someone h...
python assert with and without parenthesis
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130
The last assert would have given you a warning (SyntaxWarning: assertion is always true, perha...
psycopg2: insert multiple rows with one query
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15 Answers
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How to smooth a curve in the right way?
...ort numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0,2*np.pi,100)
y = np.sin(x) + np.random.random(100) * 0.2
yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3
plt.plot(x,y)
plt.plot(x,yhat, color='red')
plt.show()
UPDATE: It has come to my attention that the co...