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Is 161803398 A 'Special' Number? Inside of Math.Random()
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No, but it's based on Phi (the "golden ratio").
161803398 = 1.61803398 * 10^8 ≈ φ * 10^8
More about the golden ratio here.
And a really good read for the casual mathematician here.
And I found a research paper on random number generators that agrees with this assertion....
Creating a new directory in C
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#include <sys/stat.h>
#include <unistd.h>
struct stat st = {0};
if (stat("/some/directory", &st) == -1) {
mkdir("/some/directory", 0700);
}
You can see the manual of these functions with the man 2 stat and man 2 mkdir commands.
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Usage of sys.stdout.flush() method
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Haldean BrownHaldean Brown
10.4k44 gold badges3636 silver badges5555 bronze badges
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Set markers for individual points on a line in Matplotlib
...or example, using a dashed line and blue circle markers:
plt.plot(range(10), linestyle='--', marker='o', color='b')
A shortcut call for the same thing:
plt.plot(range(10), '--bo')
Here is a list of the possible line and marker styles:
================ ===============================
ch...
How to list of all the tables defined for the database when using active record?
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answered Oct 1 '08 at 0:34
François BeausoleilFrançois Beausoleil
15.2k1111 gold badges6262 silver badges8282 bronze badges
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How do I check if a list is empty?
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edited May 28 at 18:08
answered Sep 10 '08 at 6:28
Pa...
What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?
...ng relatively long-running queries - it's perfectly okay for them to take 10 minutes to complete, but if it took 10 minutes to make the connection to start with, you'd know that something was badly wrong.
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MySql Table Insert if not exist otherwise update
...NSERT INTO AggregatedData (datenum,Timestamp)
VALUES ("734152.979166667","2010-01-14 23:30:00.000")
ON DUPLICATE KEY UPDATE
Timestamp=VALUES(Timestamp)
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Returning redirect as response to XHR request
...irect response to an ajax request?
If the server sends a redirect (aka a 302 response plus a Location: header) the redirect is automatically followed by the browser. The response to the second request (assuming it also isn't another redirect) is what is exposed to your program.
In fact, you don't ...
Looping over a list in Python
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200
Try this,
x in mylist is better and more readable than x in mylist[:] and your len(x) should b...