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getActionBar() returns null
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Can use getSupportActionBar() instead of getActionBar() method.
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How do I include negative decimal numbers in this regular expression?
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You should add an optional hyphen at the beginning by adding -? (? is a quantifier meaning one or zero occurrences):
^-?[0-9]\d*(\.\d+)?$
I verified it in Rubular with these values:
10.00
-10.00
and both matched as expected.
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Access props inside quotes in React JSX
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Zoltán
18.3k1010 gold badges7878 silver badges120120 bronze badges
answered Feb 10 '14 at 2:21
Sophie AlpertSophie Alpert
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How to move child element from one parent to another using jQuery [duplicate]
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Alex LawfordAlex Lawford
61966 silver badges33 bronze badges
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JavaScript URL Decode function
...de utility? Encoding would be nice too and working well with jQuery is an added bonus.
9 Answers
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Reading Properties file in Java
I have the following code trying to read a properties file:
16 Answers
16
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onActivityResult() & onResume() [duplicate]
...e requestCode you started it
with, the resultCode it returned, and
any additional data from it. The
resultCode will be RESULT_CANCELED if
the activity explicitly returned that,
didn't return any result, or crashed
during its operation. You will receive
this call immediately before
on...
How to “set a breakpoint in malloc_error_break to debug”
...r ⌘8), clicking the plus button in the lower left corner, and selecting "Add Symbolic Breakpoint". In the popup that comes up, enter malloc_error_break in the Symbol field, then click Done.
EDIT: openfrog added a screenshot and indicated that he's already tried these steps without success after I ...
Iterator invalidation rules
...ck functions are covered under this rule.
forward_list: None of the overloads of insert_after shall affect the validity of iterators and references [26.3.9.5/1]
array: As a rule, iterators to an array are never invalidated throughout the lifetime of the array. One should take note, however, that d...
Preventing twitter bootstrap carousel from auto sliding on page load
...yway to prevent twitter bootstrap carousel from auto sliding on the page load unless the next or previous button is clicked?
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