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What is the effect of extern “C” in C++?
...very compiler is required to provide "C" linkage
A linkage specification shall occur only in namespace scope
All function types, function names and variable names have a language linkage See Richard's Comment: Only function names and variable names with external linkage have a language linkage
Two ...
ASP.NET: This method cannot be called during the application's pre-start initialization stage
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I see. It automatically defines security and membership rules so you have to override them before you add custom ones. Tricky.
– Jonathan Allen
May 25 '11 at 8:46
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What is the difference between onPause() and onStop() of Android Activites?
...android/app/Activity.html ,
it said 'Activity comes into foreground' will call onPause() , and 'Activity is no longer visible' will call onStop() .
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Algorithm to return all combinations of k elements from n
... set it's best to use a modified gray code algorithm so you aren't holding all of them in memory. These generate the next combination from the previous and avoid repetitions. There are many of these for different uses. Do we want to maximize the differences between successive combinations? minimize?...
When is each sorting algorithm used? [closed]
...han a quick sort. There are some in-place merge sorts, but AFAIK they are all either not stable or worse than O(N log N). Even the O(N log N) in place sorts have so much larger a constant than the plain old merge sort that they're more theoretical curiosities than useful algorithms.
Heap sort: W...
How can I update a single row in a ListView?
... and some text. The image is loaded in a separate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is getting called too frequently, since notifyDataSetChanged() calls getView()...
Find and restore a deleted file in a Git repository
... of '~1': git checkout <deleting-commit>~1 -- <file-path> ~X allows you to specify X commits before the specified commit, so ~1 is the commit before, ~2 is two commits before, etc
– Nils Luxton
Sep 10 '12 at 15:07
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setting an environment variable in virtualenv
...variables to get its configuration, but I use virtualenv to test my app locally first.
10 Answers
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How to create query parameters in Javascript?
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Just a small detail, but ret could be const
– Alkis Mavridis
Oct 18 '18 at 13:20
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angular.service vs angular.factory
... myInjectedFactory can be an object, a function reference, or any value at all. For example, if you wrote a service to create a constructor (as in the last example above), it would have to be instantiated like so:
var myShinyNewObject = new myInjectedService.myFunction()
which is arguably less desi...