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Function pointers, Closures, and Lambda
...sp example would look something along the lines of:
(defun get-counter (n-start +-number)
"Returns a function that returns a number incremented
by +-number every time it is called"
(lambda () (setf n-start (+ +-number n-start))))
In C terms, you could say that the lexical environme...
How can I easily convert DataReader to List? [duplicate]
...stem you are working on. That is not to say it’s a good architecture to start with..
I am assuming that CustomerDTO will not get out of the data access layer and composite objects etc will be built up by the data access layer using the DTO objects.
A few years after I wrote this answer Dapper...
Is 0 a decimal literal or an octal literal?
...
"Any integer value starting with '0' is an octal value." Not true. Example: 0xA starts with '0' and is an integer value.
– Nikolai Ruhe
Mar 1 '13 at 11:05
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Find closing HTML tag in Sublime Text
...s, with Emmet active in ST2, it just works to jump to the closing tag from starting tag, not the other way round.
– Volker E.
Apr 27 '14 at 20:24
2
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Why are variables “i” and “j” used for counters?
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I believe it dates back to Fortran. Variables starting with I through Q were integer by default, the others were real. This meant that I was the first integer variable, and J the second, etc., so they fell towards use in loops.
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Practical uses for AtomicInteger
...has modified the value in the meantime, the increment method effectively restarts from the beginning.
– Andrzej Doyle
Jan 27 '11 at 16:22
3
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Which Eclipse version should I use for an Android app?
I am starting to develop Android applications. Which version of Eclipse should I use?
14 Answers
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Use of class definitions inside a method in Java
...g. somebody wants a Runnable and you want to record when the execution has started and ended.
With anonymous class it is not possible to do, with inner class you can do this.
Here is an example do demonstrate my point
private static void testMethod (
final Object param1,
final Obj...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...d int *outptr = ints2;
unsigned int *endptr = ints + 100000000;
// Starting the time measurement
double start = omp_get_wtime();
// Computations to be measured
while(inptr != endptr)
{
(*outptr) = reverse(*inptr);
inptr++;
outptr++;
}
// Measuring th...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
...ability. If you have a recent kernel, it is indeed possible to use this to start a service as non-root but bind low ports. The short answer is that you do:
setcap 'cap_net_bind_service=+ep' /path/to/program
And then anytime program is executed thereafter it will have the CAP_NET_BIND_SERVICE capa...