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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...nspect(DT))
# @0000000003B7E2A0 19 VECSXP g0c7 [OBJ,NAM(2),ATT] (len=2, tl=100)
# @00000000040C2288 14 REALSXP g0c2 [NAM(2)] (len=2, tl=0) 1,2
# @00000000040C2250 14 REALSXP g0c2 [NAM(2)] (len=2, tl=0) 11,12
# ATTRIB: # ..snip..
.Internal(inspect(newDT)) # precisely the same object at this p...
Abandoning changes without deleting from history
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answered Sep 10 '10 at 21:02
Niall C.Niall C.
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Code for Greatest Common Divisor in Python [closed]
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10
How does that algorithm even work? its like magic.
– dooderson
Nov 9 '14 at 2:37
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How to change the Eclipse default workspace?
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erakitin
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answered Mar 3 '11 at 10:24
Manrico CorazziMa...
C dynamically growing array
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int i;
initArray(&a, 5); // initially 5 elements
for (i = 0; i < 100; i++)
insertArray(&a, i); // automatically resizes as necessary
printf("%d\n", a.array[9]); // print 10th element
printf("%d\n", a.used); // print number of elements
freeArray(&a);
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encryption/decryption with multiple keys
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David SegondsDavid Segonds
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Quickly find whether a value is present in a C array?
...ritical ISR that needs to iterate through an array of size 256 (preferably 1024, but 256 is the minimum) and check if a value matches the arrays contents. A bool will be set to true is this is the case.
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How can I reload .emacs after changing it?
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answered Apr 5 '10 at 19:47
Bryan OakleyBryan Oakley
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Getting value of public static final field/property of a class in Java via reflection
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answered Apr 21 '10 at 18:06
M. JessupM. Jessup
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How can I get the DateTime for the start of the week?
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Compile ThisCompile This
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