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Why does i = i + i give me 0?
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The issue is due to integer overflow.
In 32-bit twos-complement arithmetic:
i does indeed start out having power-of-two values, but then overflow behaviors start once you get to 230:
230 + 230 = -231
-231 + -231 = 0
...in int arithmetic, since it's essentially arit...
Case insensitive replace
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222
The string type doesn't support this. You're probably best off using the regular expression su...
How to use the 'og' (Open Graph) meta tag for Facebook share
...ge.
For more information, visit 18 Meta Tags Every Webpage Should Have in 2013.
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Dealing with float precision in Javascript [duplicate]
...xed number of significant digits, like this:
(Math.floor(y/x) * x).toFixed(2)
Convert all your numbers to integers
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View inside ScrollView doesn't take all place
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2 Answers
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How to check if a database exists in SQL Server?
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From a Microsoft's script:
DECLARE @dbname nvarchar(128)
SET @dbname = N'Senna'
IF (EXISTS (SELECT name
FROM master.dbo.sysdatabases
WHERE ('[' + name + ']' = @dbname
OR name = @dbname)))
-- code mine :)
PRINT 'db exists'
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How can I tell PyCharm what type a parameter is expected to be?
... style comments.
See also reStructuredText and docstring conventions (PEP 257).
Another option is Python 3 annotations.
Please refer to the PyCharm documentation section for more details and samples.
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How can I make a Python script standalone executable to run without ANY dependency?
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255
You can use py2exe as already answered and use Cython to convert your key .py files in .pyc, C...
What's the 'environment' task in Rake?
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121
You can get access to your models, and in fact, your whole environment by making tasks dependen...
Passing data between controllers in Angular JS?
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323
From the description, seems as though you should be using a service. Check out http://egghead.i...