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Best way to test for a variable's existence in PHP; isset() is clearly broken
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As a variation, if the check needs to work for local scope variables as well, on can do a $defined_vars = get_defined_vars(); and then test via array_key_exists('v', $defined_vars);.
– Henrik Opel
Sep 27 '10 at 16:01
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How to iterate over rows in a DataFrame in Pandas
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DataFrame.iterrows is a generator which yields both the index and row (as a Series):
import pandas as pd
import numpy as np
df = pd.DataFrame({'c1': [10, 11, 12], 'c2': [100, 110, 120]})
for index, row in df.iterrows():
print(row['c1'], row['c2'])
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Why is “final” not allowed in Java 8 interface methods?
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This question is, to some degree, related to What is the reason why “synchronized” is not allowed in Java 8 interface methods?
The key thing to understand about default methods is that the primary design goal is interface evolution, not "...
What is the role of the bias in neural networks? [closed]
...that biases are almost always helpful. In effect, a bias value allows you to shift the activation function to the left or right, which may be critical for successful learning.
It might help to look at a simple example. Consider this 1-input, 1-output network that has no bias:
The output of the...
Why maven? What are the benefits? [closed]
What are the main benefits of using maven compared to let's say ant ?
It seems to be more of a annoyance than a helpful tool.
I use maven 2, with plain Eclipse Java EE (no m2eclipse), and tomcat.
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How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
Are there any editors that can edit multi-gigabyte text files, perhaps by only loading small portions into memory at once? It doesn't seem like Vim can handle it =(
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vbscript output to console
What is the command or the quickest way to output results to console using vbscript?
5 Answers
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How do I connect to this localhost from another computer on the same network?
I'm currently working on a project and I would like to test it out on two laptops at home where one laptop connects to the localhost on the other. I am using XAMPP. How do I do this?
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How to remove a web site from google analytics
I am Administrator of several web sites on google analytics.
10 Answers
10
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Stopping scripters from slamming your website
...u're using the site normally, you'll probably never see one. If you happen to reload the same page too often, post successive comments too quickly, or something else that triggers an alarm, make them prove they're human. In your case, this would probably be constant reloads of the same page, followi...