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Android : difference between invisible and gone?
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734
INVISIBLE:
This view is invisible, but it still takes up space for layout purposes.
GONE...
How do you match only valid roman numerals with a regular expression?
...ed by D?C{0} (with D there)
600: DC matched by D?C{1} (with D there)
700: DCC matched by D?C{2} (with D there)
800: DCCC matched by D?C{3} (with D there)
900: CM matched by CM
Thirdly, (XC|XL|L?X{0,3}) follows the same rules as previous section but for the tens place:
0: <...
Reset push notification settings for app
...he tech note has been updated with new steps that work correctly as of iOS 7.
Delete your app from the device.
Turn the device off completely and turn it back on.
Go to Settings > General > Date & Time and set the date ahead a day or more.
Turn the device off completely again ...
Why are these numbers not equal?
...discussed in several places:
The R FAQ has question devoted to it: R FAQ 7.31
The R Inferno by Patrick Burns devotes the first "Circle" to this problem (starting on page 9)
David Goldberg, "What Every Computer Scientist Should Know About Floating-point Arithmetic," ACM Computing Surveys 23, 1 (199...
Skip callbacks on Factory Girl and Rspec
... thoughts of this working the other way? stackoverflow.com/questions/35950470/…
– Chris Hough
Mar 11 '16 at 22:18
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Connect to Amazon EC2 file directory using Filezilla and SFTP
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770
I've created a video tutorial for this. Just check:
Connect to Amazon EC2 file directory usi...
Passing a std::array of unknown size to a function
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87
Is there a simple way to make this work, as one would with plain C-style arrays?
No. You re...
How to hide underbar in EditText
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7
The best answer, as ha1ogen says, is to make a custom drawable. Start with the 9-patch that is used for normal EditText fields. Modify it ...
How to strip all non-alphabetic characters from string in SQL Server?
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367
Try this function:
Create Function [dbo].[RemoveNonAlphaCharacters](@Temp VarChar(1000))
Return...