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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 create full compressed tar file using Python?
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Just as a note to readers, if you leave out arcname=os.path.basename(source_dir) then it'll give you the entire path structure of source_dir in the tar file (in most situations, that's probably inconvenient).
– Brōtsyorfuzthrāx
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In AngularJS, what's the difference between ng-pristine and ng-dirty?
What are the differences between ng-pristine and ng-dirty ? It seems you can have both to be true :
5 Answers
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boolean in an if statement
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First off, the facts:
if (booleanValue)
Will satisfy the if statement for any truthy value of booleanValue including true, any non-zero number, any non-empty string value, any object or array reference, etc...
On the other hand:
if (booleanVa...
What does a \ (backslash) do in PHP (5.3+)?
...re will ensure that the function called is from the global namespace, even if there is a function by the same name in the current namespace.
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How to ignore all hidden directories/files recursively in a git repository?
...tignore
.*
!/.gitignore
Edit: Added the .gitignore file itself (matters if it is not yet commited).
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What does a script-Tag with src AND content mean?
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Different browsers treat this differently. Some run the content only if the src is included without error. Some run it after attempting to include the src script, regardless of success. Since this behaviour is unreliable (and ...
How to mkdir only if a directory does not already exist?
...dir -p foo/bar/baz
will create directories foo, foo/bar, and foo/bar/baz if they don't exist.
Some implementation like GNU mkdir include mkdir --parents as a more readable alias, but this is not specified in POSIX/Single Unix Specification and not available on many common platforms like macOS, va...
Hour from DateTime? in 24 hours format
... do is to obtain the hour but show it in 24 hours format.
For example:
If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it.
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