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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...t has 4 lines, each holding 64 bytes. We first attempt to read the address 0x2710, which goes in set 28. And then we also attempt to read addresses 0x2F00, 0x3700, 0x3F00 and 0x4700. All of these belong to the same set. Before reading 0x4700, all lines in the set would have been occupied. Reading th...
NodeJS: How to get the server's port?
...
});
// Only listen on $ node app.js
if (!module.parent) {
app.listen(3000);
console.log("Express server listening on port %d", app.address().port)
}
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How to use clock() in C++
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207
#include <iostream>
#include <cstdio>
#include <ctime>
int main() {
std:...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
I am a beginner to Ruby on Rails and I am using Rails 3.0.9.
3 Answers
3
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UILabel text margin [duplicate]
...ng its origin won't do the trick. It would be ideal to inset the text by 10px or so on the left hand side.
38 Answers
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Remove 'a' from legend when using aesthetics and geom_text
... FALSE)
The argument show_guide changed name to show.legend in ggplot2 2.0.0 (see release news).
Pre-ggplot2 2.0.0:
With show_guide = FALSE like so...
ggplot( data=iris, aes(x=Sepal.Length, y=Sepal.Width , colour = Species , shape = Species, label = Species ) , size=20 ) +
geom_point()+
geom...
How to display a dynamically allocated array in the Visual Studio debugger?
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Yes, simple.
say you have
char *a = new char[10];
writing in the debugger:
a,10
would show you the content as if it were an array.
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What does the regular expression /_/g mean?
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answered May 19 '11 at 0:48
SLaksSLaks
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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
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answered May 6 '09 at 13:07
smorgansmorgan
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catch exception that is thrown in different thread
...ull;
Thread thread = new Thread(() => SafeExecute(() => Test(0, 0), Handler));
thread.Start();
Console.ReadLine();
}
private static void Handler(Exception exception)
{
Console.WriteLine(exception);
}
private static void...