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Execution time of C program
I have a C program that aims to be run in parallel on several processors. I need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating...
In C++, what is a virtual base class?
I want to know what a " virtual base class " is and what it means.
11 Answers
11
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How to get a list of properties with a given attribute?
I have a type, t , and I would like to get a list of the public properties that have the attribute MyAttribute . The attribute is marked with AllowMultiple = false , like this:
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How do I close all open tabs at once?
If I have 10 tabs opened, I have to close each one using ":q" separately.
8 Answers
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How to use WHERE IN with Doctrine 2
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In researching this issue, I found something that will be important to anyone running into this same issue and looking for a solution.
From the original post, the following line of code:
$qb->add('where', $qb->expr()->in('r.winner', array('?1')));
Wrapping the named parameter as ...
How do I run Visual Studio as an administrator by default?
I recently discovered that even while logged into my personal laptop as an administrator, Visual Studio does not run in administrator mode and you need to explicitly use Run As Administrator .
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Generate unique random numbers between 1 and 100
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For example: To generate 8 unique random numbers and store them to an array, you can simply do this:
var arr = [];
while(arr.length < 8){
var r = Math.floor(Math.random() * 100) + 1;
if(arr.indexOf(r) === -1) arr.push(r...
Volatile boolean vs AtomicBoolean
What does AtomicBoolean do that a volatile boolean cannot achieve?
11 Answers
11
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How to deal with “data of class uneval” error from ggplot2?
While trying to overlay a new line to a existing ggplot I am getting the following error:
3 Answers
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Why doesn't java.util.Set have get(int index)?
... interface), but that is not a general property of sets.
If you're trying to use sets this way, you should consider using a list instead.
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