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How to use shared memory with Linux in C
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try this code sample, I tested it, source: http://www.makelinux.net/alp/035
#include <stdio.h>
#include <sys/shm.h>
#include <sys/stat.h>
int main ()
{
int segment_id;
char* shared_memory;
struct shmid_ds shmbuffer;
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How to redirect output of an entire shell script within the script itself?
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[ -t <&0 ] || exec >> test.log
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ActiveMQ or RabbitMQ or ZeroMQ or [closed]
...t, due to ongoing improvements in all the MQs. Most or all of the MQs they tested are better, in some sense, by now.
– Paul Legato
Feb 15 '13 at 0:45
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What is the difference between a var and val definition in Scala?
...t) {
var value = n
}
class B(n: Int) {
val value = new A(n)
}
object Test {
def main(args: Array[String]) {
val x = new B(5)
x = new B(6) // Doesn't work, because I can't replace the object created on the line above with this new one.
x.value = new A(6) // Doesn't work, because I...
Limiting the number of records from mysqldump?
I am trying to load a small sample of records from a large database into a test database.
4 Answers
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How to simulate a click by using x,y coordinates in JavaScript?
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In my case, testing.
– Jose Nobile
Apr 19 '17 at 3:35
Y...
When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
... is not a viable solution, for all other things I use MySQL (or SQLite for testing).
If you need a NoSQL db you usually know about it, possible reasons are:
client wants 99.999% availability on
a high traffic site.
your data makes
no sense in SQL, you find yourself
doing multiple JOIN queries for...
How to debug Visual Studio extensions
... It seems that this works only if the versions you use to debug and to test are the same. So you can't debug in 2013 and run the extension in 2015. @SrikanthVenugopalan
– Maria Ines Parnisari
Mar 9 '16 at 4:00
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AngularJS check if form is valid in controller
...($scope.formValid);
});
$scope.isFormValid = function() {
//test the new scope variable
console.log('form valid?: ', $scope.formValid);
};
});
<!doctype html>
<html ng-app="App">
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/a...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
... When can argv[0] have null?
empty: Can argv[0] contain an empty string?
Tested on Ubuntu 16.10.
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