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Why is MySQL's default collation latin1_swedish_ci?
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answered Jul 21 '11 at 6:11
gbngbn
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Ruby max integer
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now (2018-01-21) it's 32bits even in 64bit ruby on windows (cygwin has proper 64bit on other hand)
– graywolf
Jan 21 '18 at 15:15
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C++ preprocessor __VA_ARGS__ number of arguments
...8, _9,_10, \
_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
_41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \
_51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \
_61,_62,_63,N,...)...
Assign multiple columns using := in data.table, by group
... hi hello 2.5 5 10 15
# 2: 2 2 hi hello 3.5 7 14 21
# 3: 3 3 hi hello 4.5 9 18 27
# 4: 1 4 hi hello 2.5 5 10 15
# 5: 2 5 hi hello 3.5 7 14 21
# 6: 3 6 hi hello 4.5 9 18 27
x[ , get("mynames") := list(mean(b) * 4, sum(b...
max value of integer
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answered Feb 21 '13 at 14:51
gaborschgaborsch
13.9k55 gold badges3131 silver badges4343 bronze badges
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Is ASCII code 7-bit or 8-bit?
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zwolzwol
117k3131 gold badges210210 silver badges310310 bronze badges
1
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in_array() and multidimensional array
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answered Nov 8 '10 at 21:45
jwuellerjwueller
27.9k44 gold badges5959 silver badges6868 bronze badges
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fork() branches more than expected?
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answered Jun 21 '12 at 6:58
wallykwallyk
52.3k1111 gold badges7373 silver badges130130 bronze badges
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Postgres manually alter sequence
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The parentheses are misplaced:
SELECT setval('payments_id_seq', 21, true); # next value will be 22
Otherwise you're calling setval with a single argument, while it requires two or three.
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Keep only first n characters in a string?
...lice(0, -2) == "abcd".
– Claude
Mar 21 '15 at 20:48
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