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Should I initialize variable within constructor or outside constructor [duplicate]
When I use Java based on my C++ knowledge, I love to initialize variable using the following way.
11 Answers
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Check if string matches pattern
...tch one or more digits
() group things (and also return things... but for now just think of them grouping)
+ selects 1 or more
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Skip callbacks on Factory Girl and Rspec
...:user_without_callbacks) should create the user without the callbacks. I know this is just a "design" modification, but I think this can avoid to break pre existing code, and be more consistent.
– Gnagno
Jun 20 '13 at 16:21
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How do I make CMake output into a 'bin' dir?
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EXECUTABLE_OUTPUT_PATH still works right now, but is the "old" way of achieving this result. Adam Bowen's answer is the recommended approach.
– DLRdave
Jul 7 '11 at 10:58
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Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
...of you can't remove .lock file and it gives you the following:
And you know that eclipse is already closed, just open Task Manager then processes then end precess for all eclipse.exe occurrences in the processes list.
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How to extract year and month from date in PostgreSQL without using to_char() function?
... That's right. U can use to compare: date(date_trunc( 'month', now())) = to_Date(5::varchar || ' ' || 2017::varchar, 'mm YYYY')
– Alejandro Salamanca Mazuelo
May 19 '17 at 21:22
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How to define a function in ghci across multiple lines?
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GHCi now has a multiline-input mode, enabled with :set +m. For example,
Prelude> :set +m
Prelude> let fac 0 = 1
Prelude| fac n = n * fac (n-1)
Prelude|
Prelude> fac 10
3628800
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How to import a single table in to mysql database using command line
I had successfully imported a database using command line, but now my pain area is how to import a single table with its data to the existing database using command line.
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Yii2 data provider default sorting
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This solution works but the search in index doesn't work now.
– Roby Sottini
Nov 16 '17 at 12:14
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Strings are objects in Java, so why don't we use 'new' to create them?
... Strings, "Next iteration" would need to be instantiated 10 times, whereas now it will only be instantiated once.
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