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What are the advantages of using nullptr?
...d, since it catches only calls with nullptr, not with a null pointer of a different type, like (void*)0. But I can believe it has some uses, even if all it does is save you defining a single-valued place-holder type of your own to mean "none".
– Steve Jessop
De...
Shallow copy of a Map in Java
...lone method?).
Josh Bloch on Design - Copy Constructor versus Cloning
If you've read the item about cloning in my book, especially if you read between the lines, you will know that I think clone is deeply broken. [...] It's a shame that Cloneable is broken, but it happens.
Bloch (who by the w...
Reset push notification settings for app
I am developing an app with push notifications. To check all possible ways of user interaction, I'd like to test my app when a user declines to have push notifications enabled for my app during the first start.
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How to clear an ImageView in Android?
...eResource(0);
it works but it is not documented so it isn't really clear if it effects something else in the view (you can check the ImageView code if you like, i didn't).
I think the best solution is:
viewToUse.setImageResource(android.R.color.transparent);
I like this solution the most cause...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
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If you want examples of Algorithms/Group of Statements with Time complexity as given in the question, here is a small list -
O(1) time
Accessing Array Index (int a = ARR[5];)
Inserting a node in Linked List
Pushing and Pop...
How to draw border on just one side of a linear layout?
...und, I have implemented a BorderDrawable which could give me borders with different size and color in the same way as we use css. But this could not be used via xml. For supporting XML, I have added a BorderFrameLayout in which your layout can be wrapped.
See my github for the complete source.
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How to git clone a specific tag
...th 1 --branch <tag_name> <repo_url>
--depth 1 is optional but if you only need the state at that one revision, you probably want to skip downloading all the history up to that revision.
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What are the differences between a clustered and a non-clustered index?
What are the differences between a clustered and a non-clustered index ?
12 Answers
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git branch -d gives warning
...t you no longer have a local copy of that branch, but it exists in origin
If you want to delete the remote branch as well, use git push --delete origin old_branch
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