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Can You Get A Users Local LAN IP Address Via JavaScript?
...n!
– Ansuraj Khadanga
Jun 2 '16 at 13:17
7
It is just working on the chrome and firefox, And NOT ...
Count the number of occurrences of a string in a VARCHAR field?
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346
This should do the trick:
SELECT
title,
description,
ROUND (
(
...
Adding a legend to PyPlot in Matplotlib in the simplest manner possible
...n call legend(loc='upper left').
Consider this sample (tested with Python 3.8.0):
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", label="sine")
plt.plot(x, y2, "-r", label="cosine")
plt.legend(loc="upper left")
p...
Rails 4 multiple image or file upload using carrierwave
...Post attachment was successfully updated.' }
end
end
end
In rails 3 no need to define strong parameters and as you can define attribute_accessible in both the model and accept_nested_attribute to post model because attribute accessible is deprecated in rails 4.
For edit an attachment we ca...
How do I make JavaScript beep?
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139
It's not possible to do directly in JavaScript. You'll need to embed a short WAV file in the HT...
Is R's apply family more than syntactic sugar?
... makeSOCKcluster(c("localhost","localhost"))
parSapply(cl, 1:20, get("+"), 3)
This example uses a socket cluster, for which no additional software needs to be installed; otherwise you will need something like PVM or MPI (see Tierney's clustering page). snow has the following apply functions:
par...
iPhone UITextField - Change placeholder text color
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32 Answers
32
Active
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Are list-comprehensions and functional functions faster than “for loops”?
...in range(10)]`>)
1 0 BUILD_LIST 0
3 LOAD_FAST 0 (.0)
>> 6 FOR_ITER 12 (to 21)
9 STORE_FAST 1 (x)
12 LOAD_FAST 1 (x)
15 LIST_APPEND 2
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Compare double to zero using epsilon
...00000000 × 2^-1022 = 2^-1022
In fact there are (1022 - 52 + 1)×2^52 = 4372995238176751616 numbers between 0 and epsilon, which is 47% of all the positive representable numbers...
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Why is setTimeout(fn, 0) sometimes useful?
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answered Apr 23 '09 at 0:14
staticsanstaticsan
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