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is_file or file_exists in PHP

... answered Apr 27 '09 at 10:00 hbwhbw 14.6k55 gold badges4646 silver badges5656 bronze badges ...
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How can I access an object property named as a variable in php?

... 222 Since the name of your property is the string '$t', you can access it like this: echo $object...
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async await return Task

... 243 async methods are different than normal methods. Whatever you return from async methods are wr...
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What is the difference between NaN and None?

... | edited Nov 22 '17 at 18:10 JiminyCricket 5,52466 gold badges3535 silver badges5757 bronze badges ...
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How to create a unique index on a NULL column?

I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS. 4 Answers ...
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Is it possible to execute code once before all tests run?

... answered Mar 4 '10 at 20:47 Mark SeemannMark Seemann 203k3939 gold badges377377 silver badges649649 bronze badges ...
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memcpy() vs memmove()

... 127 I'm not entirely surprised that your example exhibits no strange behaviour. Try copying str1 to...
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Is there any way to hide “-” (Delete) button while editing UITableView

... 260 Here is my complete solution, without indentation (0left align) of the cell! - (BOOL)tableVie...
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What is the difference between Caching and Memoization?

... 112 Memoization is a specific form of caching that involves caching the return value of a function b...
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Why do you have to call .items() when iterating over a dictionary in Python?

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