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bash HISTSIZE vs. HISTFILESIZE?
...Long answer:
All the info above + some examples:
Example 1:
HISTFILESIZE=10 and HISTSIZE=10
You start your session.
Your HISTFILE (file that stores your bash command history), is truncated to contain HISTFILESIZE=10 lines.
You write 50 lines.
At the end of your 50 commands, only commands 41 to...
if checkbox is checked, do this
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answered Nov 22 '10 at 8:27
jensgramjensgram
28.5k44 gold badges7474 silver badges9393 bronze badges
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Check if a Postgres JSON array contains a string
...ents on a table of 1,000,000 rabbits where each rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(info->'food') as food
d(# where food::text = '"carr...
Is short-circuiting logical operators mandated? And evaluation order?
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answered Mar 10 '09 at 0:37
Alex BAlex B
73.5k3636 gold badges187187 silver badges270270 bronze badges
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Using isKindOfClass with Swift
...9
KPMKPM
10k33 gold badges4141 silver badges6363 bronze badges
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Transparent ARGB hex value
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10
@user3332579: 50% is 7F. Put your calculator in hex mode, it will do the trick for you.
– theHacker
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What is a bank conflict? (Doing Cuda/OpenCL programming)
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105
For nvidia (and amd for that matter) gpus the local memory is divided into memorybanks. Each b...
Ruby: How to get the first character of a string
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edited May 12 '14 at 2:10
answered Apr 28 '10 at 15:41
i...
How to determine if a string is a number with C++?
... eg: 1.23
– littlecodefarmer758
Mar 10 '13 at 9:31
4
@Remy Lebeau, yes it does. It's not actuall...
How to convert comma-delimited string to list in Python?
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Matt WilliamsonMatt Williamson
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