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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...
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What is the difference between POST and GET? [duplicate]

... answered Aug 13 '10 at 13:42 Justin EthierJustin Ethier 119k4848 gold badges215215 silver badges272272 bronze badges ...
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How to check existence of user-define table type in SQL Server 2008?

... | edited Mar 22 '10 at 20:03 answered Mar 22 '10 at 19:49 ...
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How can I disable a button in a jQuery dialog from a function?

... here? – Remi Despres-Smyth Jul 23 '10 at 13:52 1 You need to work around this method to disable ...
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Fixed point vs Floating point number

... place sits (called the exponent). So a floating point number that took up 10 digits with 2 digits reserved for the exponent might represent a largest value of 9.9999999e+50 and a smallest non-zero value of 0.0000001e-49. sh...
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How to Calculate Execution Time of a Code Snippet in C++

...N32 /* Windows */ FILETIME ft; LARGE_INTEGER li; /* Get the amount of 100 nano seconds intervals elapsed since January 1, 1601 (UTC) and copy it * to a LARGE_INTEGER structure. */ GetSystemTimeAsFileTime(&ft); li.LowPart = ft.dwLowDateTime; li.HighPart = ft.dwHighDateTime; uint64 ret...
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C# 3.0 auto-properties — useful or not? [closed]

...ow do you debug them? – wal Oct 25 '10 at 3:43 2 @wal - what's there to debug? From that point of...
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How can I set multiple CSS styles in JavaScript?

... JackLeEmmerdeur 43266 silver badges1010 bronze badges answered Oct 19 '10 at 13:21 Felix KlingFelix Kling 666k151...
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Padding or margin value in pixels as integer using jQuery

...ple: CSS a, a:link, a:hover, a:visited, a:active {color:black;margin-top:10px;text-decoration: none;} JS $("a").css("margin-top"); The result is 10px. If you want to get the integer value, you can do the following: parseInt($("a").css("margin-top")) ...
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No Persistence provider for EntityManager named

...r. – Andreas Dietrich Dec 15 '14 at 10:56 3 ...