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Is there a way to change the spacing between legend items in ggplot2?
...ease vertical spacing between legend keys
# @clauswilke
draw_key_polygon3 <- function(data, params, size) {
lwd <- min(data$size, min(size) / 4)
grid::rectGrob(
width = grid::unit(0.6, "npc"),
height = grid::unit(0.6, "npc"),
gp = grid::gpar(
col = data$colour,
fil...
Download single files from GitHub
... HTTP 302 redirect because, per RFC 2616: "Since the redirection might be altered on occasion, the client SHOULD continue to use the Request-URI for future requests."
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const char * const versus const char *?
...to; for example:
void print_string(const char * the_string)
{
cout << the_string << endl;
//....
the_string = another_string();
//....
}
That would be instead illegal if the signature were void print_string(const char * const the_string)
Many programmers feel too ...
How does Duff's device work?
...best that I found on the topic.
This being my AHA moment:
for (i = 0; i < len; ++i) {
HAL_IO_PORT = *pSource++;
}
becomes:
int n = len / 8;
for (i = 0; i < n; ++i) {
HAL_IO_PORT = *pSource++;
HAL_IO_PORT = *pSource++;
HAL_IO_PORT = *pSource++;
HAL_IO_PORT = *pSource++;...
Undefined, unspecified and implementation-defined behavior
...port any errors in the program!
Let's look at a classic example:
#include <iostream>
int main()
{
char* p = "hello!\n"; // yes I know, deprecated conversion
p[0] = 'y';
p[5] = 'w';
std::cout << p;
}
The variable p points to the string literal "hello!\n", and the two a...
Is it valid to have a tag inside another tag?
Are <section> tags allowed to be included within another <section> tag? Will it validate in HTML5?
3 Answer...
Mark parameters as NOT nullable in C#/.NET?
... problem is that null references are so useful. In C#, they are the
default value of every reference type. What else would the default
value be? What other value would a variable have, until you can decide
what else to assign to it? What other value could we pave a freshly
allocated array of...
Find a class somewhere inside dozens of JAR files?
...command to list all file names within the given archive, and write the results to standard output; the @ symbol suppresses printing the command's invocation.
find "ClassName" > NUL - search standard input, piped from the output of the jar command, for the given class name; this will set ERRORLEVE...
Can I convert a C# string value to an escaped string literal
...ggs, either.
public class ReplaceString
{
static readonly IDictionary<string, string> m_replaceDict
= new Dictionary<string, string>();
const string ms_regexEscapes = @"[\a\b\f\n\r\t\v\\""]";
public static string StringLiteral(string i_string)
{
return...
Ternary Operator Similar To ?:
...ame match {
case x if x.endsWith("$") => x.init
case x => x
}
although I’m not sure what part of the if–else construct you want to optimise.
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