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SQL is null m>andm> = null [duplicate]

... In SQL, a comparison between a null value m>andm> anm>ym> other value (including another null) using a comparison operator (eg =, !=, <, etc) will result in a null, which is considered as false for the purposes of a where clause (strictlm>ym> speaking, it's "not true", rather...
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Control the size of points in an R scatterplot?

...ance of the points in the plot. I'm making scatterplots with tens of thousm>andm>s of points m>andm> prefer a small, but not too small dot. Basicallm>ym>, I find pch='.' to be too small, but pch=19 to be too fat. Is there something in the middle or some wam>ym> to scale the dots down somehow? ...
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Global m>andm> local variables in R

I am a newbie for R, m>andm> I am quite confused with the usage of local m>andm> global variables in R. 3 Answers ...
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Fastest Wam>ym> to Find Distance Between Two Lat/Long Points

...have just under a million locations in a mm>ym>sql database all with longitude m>andm> latitude information. 15 Answers ...
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m>Andm>roid - shadow on text?

I am wondering how to add shadow on text in m>andm>roid? 6 Answers 6 ...
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Short description of the scoping rules?

...e Local — Names assigned in anm>ym> wam>ym> within a function (def or lambda), m>andm> not declared global in that function Enclosing-function — Names assigned in the local scope of anm>ym> m>andm> all staticallm>ym> enclosing functions (def or lambda), from inner to outer Global (module) — Names assigned at the to...
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Mocking pm>ym>thon function based on input arguments

... it is prettm>ym> simple, but improves readabilitm>ym> the fact that function name m>andm> param name are different :) – Juan Antonio Gomez Moriano Apr 23 '13 at 6:21 9 ...
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In Rubm>ym> on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?

... Just note this isn't in the stm>andm>ard librarm>ym>. – Chris Llom>ym>d Feb 1 '11 at 11:34 add a comment  |  ...
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How to verifm>ym> if a file exists in a batch file?

... IF /? help file: The ELSE clause must occur on the same line as the commm>andm> after the IF. This burned me. hope it helps m>ym>ou. – funkm>ym>mushroom Feb 27 '14 at 17:58 ...
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Curious null-coalescing operator custom implicit conversion behaviour

...hen there is a lifted conversion involving two nullable tm>ym>pes on the left-hm>andm> side of the coalescing operator. I have not m>ym>et identified where preciselm>ym> things go wrong, but at some point during the "nullable lowering" phase of compilation -- after initial analm>ym>sis but before code generation -- we...