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Divide a number by 3 without using *, /, +, -, % operators
... because:
n = 4 * a + b
n / 3 = a + (a + b) / 3
So sum += a, n = a + b, and iterate
When a == 0 (n < 4), sum += floor(n / 3); i.e. 1, if n == 3, else 0
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Remove property for all objects in array
...bject in the array. Is there a better way to do it than using a for loop and deleting it from every object?
12 Answers
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remove None value from a list without removing the 0 value
...mbda x: x is not None, L) -- You could get rid of the lambda using partial and operator.is_not I think, but it's probably not worth it since the list-comp is so much cleaner.
– mgilson
Apr 19 '13 at 3:36
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Xcode 6 Storyboard the wrong size?
Built a new project from scratch in Swift in Xcode 6 (Beta 1) and have seen some strange behaviour with Storyboards and the output that I am viewing.
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SQL Server - Return value after INSERT
... an INSERT-statement.
Example:
I've got a table with the attributes name and id. id is a generated value.
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Converting a string to JSON object
... edited Mar 8 '14 at 16:35
Durandal
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answered Jun 11 '12 at 8:51
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?
...her that is default implemented in the UserManager that comes with MVC 5 and ASP.NET Identity Framework, is secure enough? And if so, if you could explain to me how it works?
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What is the command to list the available avdnames
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AFAIK android list avd avdmanager list avd is what you need.
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Visual Studio Expand/Collapse keyboard shortcuts [duplicate]
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Collapse to definitions
CTRL + M, O
Expand all outlining
CTRL + M, X
Expand or collapse everything
CTRL + M, L
This also works with other languages like TypeScript and JavaScript
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max value of integer
In C, the integer (for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767.
In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647.
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