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SET versus SELECT when assigning variables?
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417
Quote, which summarizes from this article:
SET is the ANSI standard for variable assignm...
Open Graph namespace declaration: HTML with XMLNS or head prefix?
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edited Aug 14 '13 at 5:42
Matt Beckman
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Replace a value in a data frame based on a conditional (`if`) statement
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221
Easier to convert nm to characters and then make the change:
junk$nm <- as.character(junk$nm...
Why are C# 3.0 object initializer constructor parentheses optional?
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143
This question was the subject of my blog on September 20th 2010. Josh and Chad's answers ("the...
How do I determine the size of my array in C?
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1307
Executive summary:
int a[17];
size_t n = sizeof(a)/sizeof(a[0]);
Full answer:
To determ...
RegEx: Grabbing values between quotation marks
...'ve been using the following with great success:
(["'])(?:(?=(\\?))\2.)*?\1
It supports nested quotes as well.
For those who want a deeper explanation of how this works, here's an explanation from user ephemient:
([""']) match a quote; ((?=(\\?))\2.) if backslash exists, gobble it, and wheth...
Test whether a glob has any matches in bash
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19 Answers
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Is is possible to check if an object is already attached to a data context in Entity Framework?
...e, entity);
}
You can call it as follows:
User user = new User() { Id = 1 };
II.AttachToOrGet<Users>("Users", ref user);
This works very nicely because it's just like context.AttachTo(...) except you can use the ID trick I cited above each time. You end up with either the object previousl...