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What does “S3 methods” mean in R?
...t know what the S3 methods and objects are. I found that there are S3 and S4 object systems, and some recommend to use S3 over S4 if possible (See Google's R Style Guide at http://google-styleguide.googlecode.com/svn/trunk/google-r-style.html )*. However, I do not know the exact definition of S3 me...
LIMIT 10..20 in SQL Server
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answered Jun 9 '09 at 19:34
Bill KarwinBill Karwin
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What is the size of column of int(11) in mysql in bytes?
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An INT will always be 4 bytes no matter what length is specified.
TINYINT = 1 byte (8 bit)
SMALLINT = 2 bytes (16 bit)
MEDIUMINT = 3 bytes (24 bit)
INT = 4 bytes (32 bit)
BIGINT = 8 bytes (64 bit).
The length just specifies how many characters...
Creating a byte array from a stream
...st don't know how much data there will be. In such cases - and before .NET 4 - I'd use code like this:
public static byte[] ReadFully(Stream input)
{
byte[] buffer = new byte[16*1024];
using (MemoryStream ms = new MemoryStream())
{
int read;
while ((read = input.Read(buf...
Change the name of a key in dictionary
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Robert Siemer
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answered Dec 10 '10 at 7:11
moinudinmoinudin
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Numpy first occurrence of value greater than existing value
...t save another list.
In [2]: N = 10000
In [3]: aa = np.arange(-N,N)
In [4]: timeit np.argmax(aa>N/2)
100000 loops, best of 3: 52.3 us per loop
In [5]: timeit np.where(aa>N/2)[0][0]
10000 loops, best of 3: 141 us per loop
In [6]: timeit np.nonzero(aa>N/2)[0][0]
10000 loops, best of 3: 1...
Create a completed Task
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249
The newest version of .Net (v4.6) is adding just that, a built-in Task.CompletedTask:
Task com...
What is the best Java email address validation method? [closed]
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134
votes
Apache Commons is generally known as a solid project. Keep in mind, though, ...
Method has the same erasure as another method in type
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ericksonerickson
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Changing the default header comment license in Xcode
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answered Mar 4 '10 at 17:19
conorgriffinconorgriffin
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