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How to validate IP address in Python? [duplicate]
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Don't parse it. Just ask.
import socket
try:
socket.inet_aton(addr)
# legal
except socket.error:
# Not legal
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Why is it considered a bad practice to omit curly braces? [closed]
...o use:
if(foo) bar();
Which takes care of the above case.
EDIT Thanks for clarifying the question, I agree, we should not write code to the lowest common denominator.
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What's a Good Javascript Time Picker? [closed]
What's a good time picker for jquery or standalone js? I would like something like google uses in their calendar where it has a drop down of common times in 15min intervals or lets you manually type in a time and it validates it.
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How to check if array element exists or not in javascript?
I am working with Titanium, my code looks like this:
18 Answers
18
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How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
This is a bit of my JS code for which this is needed:
14 Answers
14
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Best way to alphanumeric check in JavaScript
What is the best way to perform an alphanumeric check on an INPUT field in JSP ? I have attached my current code
10 Answ...
Openssl is not recognized as an internal or external command
I wish to generate an application signature for my app which will later be integrated with Facebook. In one of Facebook's tutorials, I found this command:
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How can a Java variable be different from itself?
...do the same with Double.NaN.
From JLS §15.21.1. Numerical Equality Operators == and !=:
Floating-point equality testing is performed in accordance with the rules of the IEEE 754 standard:
If either operand is NaN, then the result of == is false but the result of != is true.
Indeed, the test x!=x...
Changing a specific column name in pandas DataFrame
I was looking for an elegant way to change a specified column name in a DataFrame .
9 Answers
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Adding :default => true to boolean in existing Rails column
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change_column is a method of ActiveRecord::Migration, so you can't call it like that in the console.
If you want to add a default value for this column, create a new migration:
rails g migration add_default_value_to_show_attribute
Then in the migration created:
#...