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Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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Show a PDF files in users browser via PHP/Perl
...n why I use cgi to show the pdf is I want to track the clicks for the pdf, and cloak the real location of the saved pdf.
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How can I reference a commit in an issue comment on GitHub?
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To reference a commit, simply write its SHA-hash, and it'll automatically get turned into a link.
See also:
The Autolinked references and URLs / Commit SHAs section of
Writing on GitHub.
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Why does the C# compiler not fault code where a static method calls an instance method?
...C# 7.3 (May 2018). In What's new in C# 7.3, the section Improved overload candidates, item 1, it is explained how the overload resolution rules have changed so that non-static overloads are discarded early. So the below answer (and this entire question) has mostly only historical interest by now!
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How can I scan barcodes on iOS?
How can I simply scan barcodes on iPhone and/or iPad?
19 Answers
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Java ArrayList how to add elements at the beginning
...add the element at the beginning of the array (so it has the lowest index) and if the array has 10 elements adding a new results in deleting the oldest element (the one with the highest index).
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SVN Commit specific files
...r sets printer on fire" printer-driver/*.c
You can also have the svn command read the list of files to commit from a file:
$ svn ci -m "Now works" --targets fix4711.txt
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How to correctly implement custom iterators and const_iterators?
I have a custom container class for which I'd like to write the iterator and const_iterator classes.
6 Answers
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How to add Action Bar from support library into PreferenceActivity?
...tivity class for creating activities with Action Bar on older versions of Android.
8 Answers
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Why do you have to call .items() when iterating over a dictionary in Python?
...f least astonishment, in would also have to take such a tuple as its left-hand operand in the containment check.
How useful would that be? Pretty useless indeed, basically making if (key, value) in C a synonym for if C.get(key) == value -- which is a check I believe I may have performed, or wanted...