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How can I represent an infinite number in Python?
How can I represent an infinite number in python? No matter which number you enter in the program, no number should be greater than this representation of infinity.
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What do numbers using 0x notation mean?
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Literals that start with 0x are hexadecimal integers. (base 16)
The number 0x6400 is 25600.
6 * 16^3 + 4 * 16^2 = 25600
For an example including letters (also used in hexadecimal notation where A = 10, B = 11 ... F = 15)
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Compare equality between two objects in NUnit
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Override .Equals for your object and in the unit test you can then simply do this:
Assert.AreEqual(LeftObject, RightObject);
Of course, this might mean you just move all the individual comparisons to the .Equals method, but it would allow you to reuse that implementat...
CGContextDrawImage draws image upside down when passed UIImage.CGImage
...the middle of your begin/end CGcontext methods.
This will draw the image with the correct orientation into your current image context - I'm pretty sure this has something to do with the UIImage holding onto knowledge of the orientation while the CGContextDrawImage method gets the underlying raw ima...
Difference between left join and right join in SQL Server [duplicate]
...indeed completely interchangeable. Try however Table2 left join Table1 (or its identical pair, Table1 right join Table2) to see a difference. This query should give you more rows, since Table2 contains a row with an id which is not present in Table1.
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How do you diff a directory for only files of a specific type?
... You should enclose
PATTERN in quotes so that the shell does not expand it. For example,
the option -x '*.[ao]' ignores any file whose name ends with '.a' or
'.o'.
This option accumulates if you specify it more than once. For
example, using the options -x 'RCS' -x '*,v' ignores any f...
How do I properly escape quotes inside HTML attributes?
...gt;Test</option>
</select>
Alternatively, you can delimit the attribute value with single quotes:
<option value='"asd'>test</option>
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Stop jQuery .load response from being cached
...nt to control caching on a per-request basis. Or, if you just want to turn it off for everything, put this at the top of your script:
$.ajaxSetup ({
// Disable caching of AJAX responses
cache: false
});
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...ariable-length which will only use up spaces for the characters you store. It will not reserve storage like char or nchar.
nchar and nvarchar will take up twice as much storage space, so it may be wise to use them only if you need Unicode support.
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Parsing a string into a boolean value in PHP
Today I was playing with PHP, and I discovered that the string values "true" and "false" are not correctly parsed to boolean in a condition, for example considering the following function:
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