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How does MongoDB sort records when no sort order is specified?
...I run the same find command: db.collection.find({"x":y}).skip(20000).limit(1000) at two different points in time, I'll get different result sets? What happens if the there have been no writes in between the two commands?
– saurabhj
Jul 22 '12 at 10:00
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Returning the product of a list
...as ne
# from functools import reduce # python3 compatibility
a = range(1, 101)
%timeit reduce(lambda x, y: x * y, a) # (1)
%timeit reduce(mul, a) # (2)
%timeit np.prod(a) # (3)
%timeit ne.evaluate("prod(a)") # (4)
In the following configuration:
a...
What does the X-SourceFiles header do?
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
What is ?= in Makefile
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SimonSimon
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Browsing Folders in MSYS
... Lernkurve
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answered Jul 7 '12 at 16:54
GL770GL770
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Plotting with seaborn using the matplotlib object-oriented interface
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edited Apr 10 '15 at 14:51
answered May 31 '14 at 18:22
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What are the differences between the BLOB and TEXT datatypes in MySQL?
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TEXT and CHAR will convert to/from the character set they have associated with time. BLOB and ...
Java - JPA - @Version annotation
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answered Apr 3 '10 at 20:50
Pascal ThiventPascal Thivent
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Get and set position with jQuery .offset()
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pstanton
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answered Jan 6 '11 at 9:09
SteveSteve
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Replace one character with another in Bash
...rings. On my system tr outperforms bash starting at strings with more than 1000 characters. It seems like bash's time complexity is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urandom | head -c1M)"; time y="$(tr ' ' \\- <<< "$x")"; time z="${x// /-}". With a string length...