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getApplicationContext(), getBaseContext(), getApplication(), getParent()
...pplicationContext() Application context is associated with the Application and will always be the same throughout the life cycle.
getBasecontext() should not be used, just use Context instead of it which is associated with the activity and can be destroyed when the activity is destroyed.
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Find the last element of an array while using a foreach loop in PHP
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$numItems = count($arr) trick is not needed and reduces readability - in PHP there is no performance penalty for accessing count($arr) each time. The reason is that items count is internally saved as special field in the array header and is not calculated on-the-fly. T...
How to validate an email address using a regular expression?
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The fully RFC 822 compliant regex is inefficient and obscure because of its length. Fortunately, RFC 822 was superseded twice and the current specification for email addresses is RFC 5322. RFC 5322 leads to a regex that can be understood if studied for a few minutes and i...
Is there a built in function for string natural sort?
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Natsort is a great library, should be added to python standard library! :-)
– Mitch McMabers
Oct 24 '19 at 5:03
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How do you test functions and closures for equality?
The book says that "functions and closures are reference types". So, how do you find out if the references are equal? == and === don't work.
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Is delete this allowed?
...omment : yosefk.com/c++fqa/heap.html#fqa-16.15
– Alexandre C.
Jun 30 '10 at 15:51
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display:inline vs display:block [duplicate]
...splay: block means that the element is displayed as a block, as paragraphs and headers have always been. A block has some whitespace above and below it and tolerates no HTML elements next to it, except when ordered otherwise (by adding a float declaration to another element, for instance).
display:...
Where are the recorded macros stored in Notepad++?
...acros are saved at %AppData%\Notepad++\shortcuts.xml
(Windows logo key + E and copy&paste %AppData%\Notepad++\)
Or:
In Windows < 7 (including Win2008/R2) the macros are saved at C:\Documents and
Settings\%username%\Application Data\Notepad++\shortcuts.xml
In Windows 7|8|10
C:\Users\%usern...
How to make an HTML back link?
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And another way:
<a href="javascript:history.back()">Go Back</a>
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Difference between two dates in Python
I have two different dates and I want to know the difference in days between them. The format of the date is YYYY-MM-DD.
5 ...