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unix - head AND tail of file
Say you have a txt file, what is the command to view the top 10 lines and bottom 10 lines of file simultaneously?
20 Answer...
Can you supply arguments to the map(&:method) syntax in Ruby?
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141
You can create a simple patch on Symbol like this:
class Symbol
def with(*args, &block)...
How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
...nvironments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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Can I use CASE statement in a JOIN condition?
... JOIN sys.allocation_units a
ON CASE
WHEN a.type IN (1, 3) AND a.container_id = p.hobt_id THEN 1
WHEN a.type IN (2) AND a.container_id = p.partition_id THEN 1
ELSE 0
END = 1
Note that you need to do something with the returned value, e.g. comp...
Why are flag enums usually defined with hexadecimal values
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186
Rationales may differ, but an advantage I see is that hexadecimal reminds you: "Okay, we're no...
How to get the last N records in mongodb?
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15 Answers
15
Active
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How to convert ‘false’ to 0 and ‘true’ to 1 in Python
Is there a way to convert true of type unicode to 1 and false of type unicode to 0 (in Python)?
7 Answers
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git diff file against its last change
...es exist, but it's actually a feature of git log:
git log -p [--follow] [-1] <path>
Note that -p can also be used to show the inline diff from a single commit:
git log -p -1 <commit>
Options used:
-p (also -u or --patch) is hidden deeeeeeeep in the git-log man page, and is actual...
Intersection of two lists in Bash
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291
comm -12 <(ls 1) <(ls 2)
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