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Exit a Script On Error
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answered Dec 7 '10 at 21:13
Byron WhitlockByron Whitlock
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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...
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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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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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...
sed error: “invalid reference \1 on `s' command's RHS”
...capture for that to work? i.e. for variant 2:
-r -e "s/WARNING: (\([a-zA-Z0-9./\\ :-]\+\))/${warn}WARNING: \1${c_end}/g" \
(Note: untested)
Without the -r argument back-references (like \1) won't work.
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Oracle JDBC ojdbc6 Jar as a Maven Dependency
...t;
<artifactId>ojdbc6</artifactId>
<version>11.2.0.3</version>
</dependency>
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<repositories>
<repository>
<id>codelds</id>
<url>https://code.lds.org/nexus/content/groups/main-repo</url>
</repository&...
Predicate in Java
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203
I'm assuming you're talking about com.google.common.base.Predicate<T> from Guava.
From t...
Read input from console in Ruby?
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230
Are you talking about gets?
puts "Enter A"
a = gets.chomp
puts "Enter B"
b = gets.chomp
c = a.t...