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R programming: How do I get Euler's number?
...onsibility to tell people here the truth instead of letting them called it whatever they want. The note above wiki's page doesn't indicate that these two terms are identical, instead, the note is there because many people don't know the difference between those two constants.
–...
Skip rows during csv import pandas
...he data itself. I never know how many comment lines there are, but I know what the first couple of rows are. Example:
----------------------------- WARNING ----------------------------------
Some of the data that you have obtained from this U.S. Geological Survey database
may not hav...
How to do a JUnit assert on a message in a logger
...m not sure to understand. Logging an error should not make your test fail. What you explain ?
– davidxxx
Dec 13 '18 at 8:31
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How to convert list of tuples to multiple lists?
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The built-in function zip() will almost do what you want:
>>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, 3, 5), (2, 4, 6)]
The only difference is that you get tuples instead of lists. You can convert them to lists using
map(list, zip(*[(1, 2), (3, 4), (5, 6)]))...
When to use f:viewAction / preRenderView versus PostConstruct?
...() to perform the preRenderView action on initial request only.
See also:
What can <f:metadata>, <f:viewParam> and <f:viewAction> be used for?
ViewParam vs @ManagedProperty(value = "#{param.id}")
Is it possible to disable f:event type="preRenderView" listener on postback?
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Does constexpr imply inline?
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it's not what open-std.org/JTC1/SC22/WG21/docs/papers/2016/p0386r0.pdf says. it says constexpr implies inline for variables. with no mention of a difference between namespace scope of class scope.
– v.oddou
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Can I use assert on Android devices?
...object in the static constructor.
It appears that JUnit's Assert class is what is used predominantly, so it is likely a safe bet to use that. The flexibility of the assert keyword is the ability to turn on assertions at development time and turn them off for shipping bits and instead fail gracefull...
Gradient of n colors ranging from color 1 and color 2
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What about the color with the diagonoal lines or shapes in the block ? @thelatemail
– user3631848
May 16 '16 at 8:46
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test a file upload using rspec - rails
...ude ActionDispatch::TestProcess or any other code unless you're sure about what you're including.
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How do you run a command for each line of a file?
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What doesn't work is that if there's spaces in the line, input is split by spaces, not by line.
– Michael Fox
Feb 26 '16 at 16:45
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