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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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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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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.
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List all svn:externals recursively?
...here is an option in the TortoiseSVN installer to also install the SVN command line client. This option is not enabled by default.
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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...
Laravel - Route::resource vs Route::controller
I read the docs on the Laravel website, Stack Overflow, and Google but still don't understand the difference between Route::resource and Route::controller .
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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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How can I scan barcodes on iOS?
How can I simply scan barcodes on iPhone and/or iPad?
19 Answers
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