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Best way to require all files from a directory in ruby?
...okesSam Stokes
13.8k77 gold badges3434 silver badges3232 bronze badges
19
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Why would you use Expression rather than Func?
I understand lambdas and the Func and Action delegates. But expressions
stump me.
10 Answers
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Multiple INSERT statements vs. single INSERT with multiple VALUES
... 2416 | 0.153846154 |
| 248 | 528 | 39 | 2432 | 0.157258065 |
| 249 | 528 | 39 | 2432 | 0.156626506 |
| 250 | 528 | 40 | 2448 | 0.16 |
| 251 | 400 | 273 | 3488 | 1.08...
_DEBUG vs NDEBUG
..._DEBUG macros in the standards.
C++2003 standard send the reader at "page 326" at "17.4.2.1 Headers"
to standard C.
That NDEBUG is similar as This is the same as the Standard C library.
In C89 (C programmers called this standard as standard C) in "4.2 DIAGNOSTICS" section it was said
htt...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Export and Import all MySQL databases at one time
...zgür from the mysqldump man page: "mysqldump does not dump the INFORMATION_SCHEMA or performance_schema database by default. To dump either of these, name it explicitly on the command line and also use the --skip-lock-tables option."
– mmalone
Sep 23 '15 at 23...
Compare two List objects for equality, ignoring order [duplicate]
Yet another list-comparing question.
9 Answers
9
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HashSet vs. List performance
It's clear that a search performance of the generic HashSet<T> class is higher than of the generic List<T> class. Just compare the hash-based key with the linear approach in the List<T> class.
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Getting indices of True values in a boolean list
I have a piece of my code where I'm supposed to create a switchboard. I want to return a list of all the switches that are on. Here "on" will equal True and "off" equal False . So now I just want to return a list of all the True values and their position. This is all I have but it only return t...
Random String Generator Returning Same String [duplicate]
...; i < size; i++)
{
ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)));
builder.Append(ch);
}
return builder.ToString();
}
// get 1st random string
string Rand1 = RandomString(4);
// get 2nd rando...