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Why is creating a Thread said to be expensive?
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150
Java thread creation is expensive because there is a fair bit of work involved:
A large block ...
Matplotlib scatterplot; colour as a function of a third variable
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import matplotlib.pyplot as plt
# Generate data...
x = np.random.random(10)
y = np.random.random(10)
# Plot...
plt.scatter(x, y, c=y, s=500)
plt.gray()
plt.show()
Or, if you'd prefer a wider range of colormaps, you can also specify the cmap kwarg to scatter. To use the reversed version of a...
Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
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204
zip -d file.jar unwanted_file.txt
jar is just a zip file after all. Definitely much faster th...
What is the difference between Nexus and Maven?
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160
Sonatype Nexus and Apache Maven are two pieces of software that often work together but they do ...
Merge two branch revisions using Subversion
I'd like to merge all the changes that took place between rev 10 & the HEAD rev on http://url-of-branch-a and apply them to http://url-of-branch-b .
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Declaring a default constraint when creating a table
I am creating a new table in Microsoft SQL server 2000 by writing the code instead of using the GUI, I am trying to learn how to do it "the manual way".
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Why is System.Web.Mvc not listed in Add References?
Using C#, Visual Studio 2010.
14 Answers
14
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How to convert/parse from String to char in java?
...t to a character is probably to call the charAt method:
char c = s.charAt(0);
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Get selected subcommand with argparse
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edited Jun 6 '14 at 14:01
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How to use mod operator in bash?
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Try the following:
for i in {1..600}; do echo wget http://example.com/search/link$(($i % 5)); done
The $(( )) syntax does an arithmetic evaluation of the contents.
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