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Ruby max integer
...r the machine's size, i.e. 64- or 32-bit, I found this trick at ruby-forum.com:
machine_bytes = ['foo'].pack('p').size
machine_bits = machine_bytes * 8
machine_max_signed = 2**(machine_bits-1) - 1
machine_max_unsigned = 2**machine_bits - 1
If you are looking for the size of Fixnum objects (inte...
Two forward slashes in a url/src/href attribute [duplicate]
...
The "two forward slashes" are a common shorthand for "whatever protocol is being used right now".
Best known as "protocol relative URLs", they are particularly useful when elements — such as the JS file in your example — could be loaded from either a ht...
What does Class mean in Java?
...specific type.
Reference about Generics and Wildcards: http://docs.oracle.com/javase/tutorial/java/generics/wildcards.html
Reference about Class object and reflection (the feature of Java language used to introspect itself): https://www.oracle.com/technetwork/articles/java/javareflection-1536171.h...
What exactly is nullptr?
...swell as long -> void* is both equally costly. So if NULL is 0L on your compiler, then a call f(NULL) will be ambiguous given those two functions. Not so with nullptr of course.
– Johannes Schaub - litb
Aug 15 '09 at 22:14
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Proper way to implement IXmlSerializable?
... wrapper? I have a situation where I need to skip this step: stackoverflow.com/questions/20885455/…
– James
Jan 3 '14 at 5:00
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Does file_get_contents() have a timeout setting?
...00 Seconds is 20 Minutes
)
));
echo file_get_contents('http://example.com/', false, $ctx);
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Implement paging (skip / take) functionality with this query
... ORDER BY -- this is a MUST there must be ORDER BY statement
-- the paging comes here
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ROWS ONLY; -- take 10 rows
If we want to skip ORDER BY we can use
SELECT col1, col2, ...
...
ORDER BY CURRENT_TIMESTAMP
OFFSET 10 ROWS -- skip ...