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What do Clustered and Non clustered index actually mean?
...tered index.
With a non clustered index there is a second list that has pointers to the physical rows. You can have many non clustered indices, although each new index will increase the time it takes to write new records.
It is generally faster to read from a clustered index if you want to get ba...
How to convert Java String into byte[]?
Is there any way to convert Java String to a byte[] ( not the boxed Byte[] )?
8 Answers
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Insert spaces between words on a camel-cased token [duplicate]
... "$1 $2"
);
}
It also handles strings like IBMMakeStuffAndSellIt, converting it to IBM Make Stuff And Sell It (IIRC).
Syntax explanation (credit):
{Ll} is Unicode Character Category "Letter lowercase" (as opposed to {Lu} "Letter uppercase"). P is a negative match, while p is a positive ma...
Iterate keys in a C++ map
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EDIT::
In case you want to expose only the keys to outside then you can convert the map to vector or keys and expose.
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Why do we have to specify FromBody and FromUri?
...s TimeSpan, DateTime, Guid, decimal, and string, plus any type with a type converter that can convert from a string.
For complex types, Web API tries to read the value from the message body, using a media-type formatter.
So, if you want to override the above default behaviour and force Web API to ...
Find region from within an EC2 instance
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ec2-metadata --availability-zone | sed 's/.$//'
For debian based systems, the command is without dash.
ec2metadata --availability-zone | sed 's/.$//'
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std::function vs template
... that can be called with the given argument types and whose return type is convertible to the given return type from the same code.
void eval(const std::function<int(int)>& f) {
std::cout << f(3);
}
int f1(int i) {
return i;
}
float f2(double d) {
return d;
}
int main...
How does Task become an int?
...e without the await - with T foo = someTaskT; you'd get "Cannot implicitly convert type Task<T> to T" - in the same way I argue that it would make more sense to have a keyword for the inverse (wrapping in Task<T>). I'm all for removing fluff but in this case I think it provides an unnece...
Pointers in C: when to use the ampersand and the asterisk?
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Arrays are special and can be converted to pointers transparently. This highlights another way to get from a pointer to a value, I'll add it to the explanation above.
– Dan Olson
Jan 19 '10 at 18:58
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How to set my default shell on Mac?
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dbright@PowerMac:~$ chsh -s /Users/dbright/sys/bin/bash Changing shell for dbright. Password for dbright: chsh: /Users/dbright/sys/bin/bash: non-standard shell dbright@PowerMac:~$ ls -l /etc/shells -rw-r--r-- 1 root wheel 179 Sep 23 2007 /etc/shells
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