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What exactly is Heroku?
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Dec 29 '12 at 12:45
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Reading specific lines only
...for loop to read a file, but I only want to read specific lines, say line #26 and #30. Is there any built-in feature to achieve this?
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
... Int = 1
// The type here is not "Int", it's "Optional Int"
var y: Int? = 2
// The type here is "Implicitly Unwrapped Optional Int"
var z: Int! = 3
Usage:
// you can add x and z
x + z == 4
// ...but not x and y, because y needs to be unwrapped
x + y // error
// to add x and y you need to do:
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Does deleting a branch in git remove it from the history?
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254
Branches are just pointers to commits in git. In git each commit has a complete source tree, i...
How do you tell a specific Delayed::Job to run in console?
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answered Aug 4 '11 at 20:08
schizaschiza
1,83011 gold badge1515 silver badges1818 bronze badges
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Do I have to Close() a SQLConnection before it gets disposed?
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edited Jun 5 '13 at 15:27
Tim S.
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answered J...
Notepad++ show open files on the left
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edited Nov 29 '17 at 10:52
answered May 24 '11 at 9:21
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How to run code when a class is subclassed? [duplicate]
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2 Answers
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Active
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Which exception should I raise on bad/illegal argument combinations in Python?
...edited Jun 16 at 16:19
Bonifacio2
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answered Nov 1 '08 at 23:37
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How to solve Permission denied (publickey) error when using Git?
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