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What are the differences between “=” and “

...ithout further ado: x # Error: object 'x' not found sum((x = 1), 2) # [1] 3 x # [1] 1 Clearly we’ve performed an assignment, using =, outside of contexts (a) and (b). So, why has the documentation of a core R language feature been wrong for decades? It’s because in R’s syntax the symbol = ...
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how to use XPath with XDocument?

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How does one make random number between range for arc4random_uniform()?

... has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this: ...
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Copy file or directories recursively in Python

... Jean-François Corbett 33.6k2525 gold badges124124 silver badges172172 bronze badges answered Jan 3 '10 at 12:35 tzottzot ...
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Correct way to use get_or_create?

... 362 From the documentation get_or_create: # get_or_create() a person with similar first names. p...
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jQuery event to trigger action when a div is made visible

... | edited May 9 '13 at 12:22 Zuul 15.7k66 gold badges5656 silver badges8686 bronze badges answer...
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Modify alpha opacity of LESS variable

... 307 The site documentation gives the answer: background: fade(@blue, 20%); The function name is...
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”

...could have an infinitely long decimal expansion; for example, 1 divided by 3. If the quotient has a nonterminating decimal expansion and the operation is specified to return an exact result, an ArithmeticException is thrown. Otherwise, the exact result of the division is returned, as done for other ...
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Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)

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GoTo Next Iteration in For Loop in java

... 352 continue; continue; key word would start the next iteration upon invocation For Example f...