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Which is better option to use for dividing an integer number by 2?
...ent results for negative integers. For example:
-5 / 2 = -2
-5 >> 1 = -3
(ideone)
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sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
...ach one character long.
>>> len(img)
74
>>> len((img,))
1
If you find it easier to read, you can also use a list literal:
cursor.execute('INSERT INTO images VALUES(?)', [img])
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How can I use Bash syntax in Makefile targets?
...syntax very helpful, e.g. process substitution like in diff <(sort file1) <(sort file2) .
6 Answers
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Generating an Excel file in ASP.NET [closed]
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CSV
Pros:
Simple
Cons:
It may not work in other locales or in different Excel configu...
Is there a timeout for idle PostgreSQL connections?
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It sounds like you have a connection leak in your application because it fails to close pooled...
ViewPager.setOffscreenPageLimit(0) doesn't work as expected
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scp or sftp copy multiple files with single command
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How can I list ALL DNS records?
...lly conduct a zone transfer directly from the authoritative server (the @ns1.google.com below) and often from a name server that may not be published (a stealth name server).
# This will return "Transfer failed"
dig @ns1.google.com google.com axfr
If you have control of the zone, you can set it u...
Overlaying histograms with ggplot2 in R
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115
Your current code:
ggplot(histogram, aes(f0, fill = utt)) + geom_histogram(alpha = 0.2)
is ...
AWS S3 copy files and folders between two buckets
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