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What does new self(); mean in PHP?
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self points to the class in which it is written.
So, if your getInstance method is in a class ...
How to reliably open a file in the same directory as a Python script
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edited Sep 17 at 5:17
Hubert Grzeskowiak
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How to find out which fonts are referenced and which are embedded in a PDF document
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pdffonts command line tool originally from Xpdf, now part of Poppler.
This tool is available...
How to get min/max of two integers in Postgres/SQL?
... GREATEST and LEAST.
UPDATE my_table
SET my_column = GREATEST(my_column - 10, 0);
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Under what conditions is a JSESSIONID created?
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edited Sep 26 '16 at 17:58
Laurel
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a...
How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
...and, if the result is greater than ten, subtracts ten. So f(2) = 5, f(8) = 1, etc. Now, we can make another function, call it f', that goes backwards, by adding seven instead of three. f'(5) = 2, f'(1) = 8, etc.
That's an example of a two-way function and its inverse. Theoretically, any mathematica...
How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
... the "Specific Version" property of assembly references in Visual Studio 2010. After a few experiments with unexpected results I set out to learn as much as possible about how the property works. Even SO, it appears to me, does not have all the answers, so here is my attempt at self-answering the qu...
How to add ID property to Html.BeginForm() in asp.net mvc?
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edited Sep 28 '17 at 20:48
answered May 18 '10 at 4:55
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Doctrine and composite unique keys
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Answer the question:
use Doctrine\ORM\Mapping\UniqueConstraint;
/**
* Common\Model\Entity\Vi...
Indentation in Go: tabs or spaces?
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The official recommendation is formatting your code with
go fmt
or using the gofmt command ...