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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...the float/double/long double overloads (my emphasis, and paraphrased):
Moreover, there shall be additional overloads sufficient to ensure that, if any argument corresponding to a double parameter has type double or an integer type, then all arguments corresponding to double parameters are effect...
How can I start PostgreSQL server on Mac OS X?
...brew package manager includes launchctl plists to start automatically. For more information, run brew info postgres.
Start manually
pg_ctl -D /usr/local/var/postgres start
Stop manually
pg_ctl -D /usr/local/var/postgres stop
Start automatically
"To have launchd start postgresql now and restart at lo...
How does the Brainfuck Hello World actually work?
...][0]...
You generally want to think that way, however the truth is a bit more complex. The truth is BF does not read a character but a byte (whatever that byte is). Let me show you example:
In linux
$ printf ł
prints:
ł
which is specific polish character. This character is not encoded by ...
iOS start Background Thread
... [self getResultSetFromDB:docids];
});
GCD is a newer technology, and is more efficient in terms of memory overhead and lines of code.
Updated with a hat tip to Chris Nolet, who suggested a change that makes the above code simpler and keeps up with Apple's latest GCD code examples.
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Difference between TCP and UDP?
...each destination and can arrive out of order or don't arrive at all. It is more efficient than TCP because it uses non ACK. It's generally used for real time communication, where a little percentage of packet loss rate is preferable to the overhead of a TCP connection.
In certain situations UDP is...
Find and Replace Inside a Text File from a Bash Command
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Can vim monitor realtime changes to a file
...such a plugin a while ago. Also see this question and my answer to it. for more details as to how autoread works and its limitations.
– Martin Tournoij
Mar 3 '16 at 20:08
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What is the difference between bool and Boolean types in C#
... interchangeable But why we need Aliases, From my point of view Boolean is more meaningful then bool and Int32 is more meaningful then int then why aliases ???
– Asim Sajjad
Mar 18 '10 at 11:39
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Write lines of text to a file in R
...ike to add lines to the same file? (The issue being is that you can't have more then one connection to a file, If I am not mistaken) Thanks.
– Tal Galili
Mar 18 '10 at 15:02
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How can I run an external command asynchronously from Python?
...r stderr pipe such that it blocks waiting for the OS pipe buffer to accept more data. Use communicate() to avoid that. "
– Ali Afshar
Mar 11 '09 at 22:12
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