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What is the difference between 0.0.0.0, 127.0.0.1 and localhost?
...ekyll and Vagrant on my mac. I found that Jekyll server will bind to 0.0.0.0:4000 instead of 127.0.0.1:4000 . Also gem server will bind to this address by default. I can still visit it via http://localhost:port . But for Jekyll , it seems that the default setting (e.g. 0.0.0.0:4000) req...
Dynamically update values of a chartjs chart
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101
Update: Looks like chartjs has been updated (see comment below). There are some examples up th...
Normalize data in pandas
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In [92]: df
Out[92]:
a b c d
A -0.488816 0.863769 4.325608 -4.721202
B -11.937097 2.993993 -12.916784 -1.086236
C -5.569493 4.672679 -2.168464 -9.315900
D 8.892368 0.932785 4.535396 0.598124
In [93]: df_norm = (df - df.mean()) / (df.max() - df...
How to test which port MySQL is running on and whether it can be connected to?
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209
To find a listener on a port, do this:
netstat -tln
You should see a line that looks like th...
List of zeros in python [duplicate]
...eros? I want to be able to create a zeros list for each int in range(10)
8 Answers
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Creating a Radial Menu in CSS
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+50
Almost 3 years later, I finally made the time to revisit this and post an improved version. You can still view the original answer at ...
Draw a perfect circle from user's touch
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+500
Sometimes it is really useful to spend some time reinventing the wheel. As you might have already noticed there are a lot of framewor...
Regular expression to match numbers with or without commas and decimals in text
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10 Answers
10
Active
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Regular expression to match DNS hostname or IP Address?
...or by combining them in a joint OR expression.
ValidIpAddressRegex = "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$";
ValidHostnameRegex = "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Z...