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getActionBar() returns null
I'm having an odd problem.
I am making an app with targetsdk 13.
24 Answers
24
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Difference between Mock / Stub / Spy in Spock test framework
...in the upcoming paragraphs. For more detailed info see Martin Fowler's website.
A mock is a dummy class replacing a real one, returning something like null or 0 for each method call. You use a mock if you need a dummy instance of a complex class which would otherwise use external resources like net...
Remove rows with all or some NAs (missing values) in data.frame
... 0 2 2 2 2
6 ENSG00000221312 0 1 2 3 2
na.omit is nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe:
> final[complete.cases(final[ , 5:6]),]
gene hsap mmul mmus rnor cfam
2 ENSG...
How to move child element from one parent to another using jQuery [duplicate]
...from their parent element (.dataTables_wrapper) to another div on my page without losing any registered javascript behavior. For instance the search box has a function attached to the 'keyup' event and I want to keep that intact.
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Remove Trailing Spaces and Update in Columns in SQL Server
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Try
SELECT LTRIM(RTRIM('Amit Tech Corp '))
LTRIM - removes any leading spaces from left side of string
RTRIM - removes any spaces from right
Ex:
update table set CompanyName = LTRIM(RTRIM(CompanyName))
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How to get start and end of day in Javascript?
...same point in time - in the event you change dates between start and end initialisation - it can happen - just a good habit to get into
– Martyn Davis
Jan 31 '17 at 3:07
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Using multiple delimiters in awk
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The delimiter can be a regular expression.
awk -F'[/=]' '{print $3 "\t" $5 "\t" $8}' file
Produces:
tc0001 tomcat7.1 demo.example.com
tc0001 tomcat7.2 quest.example.com
tc0001 tomcat7.5 www.example.com
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Does a dot have to be escaped in a character class (square brackets) of a regular expression?
... character class (square brackets) any character except ^, -, ] or \ is a literal.
This website is a brilliant reference and has lots of info on the nuances of different regex flavours.
http://www.regular-expressions.info/refcharclass.html
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How can I dynamically create derived classes from a base class
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This bit of code allows you to create new classes with dynamic
names and parameter names.
The parameter verification in __init__ just does not allow
unknown parameters, if you need other verifications, like
type, or that they ar...
Filter Fiddler traffic
Is it possible to instruct Fiddler to only show me traffic directed to a specific host name?
In other words, can Fiddler traffic be filtered for Host?
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