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How can I read command line parameters from an R script?
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Rscript has simpler syntax
Rscript automatically chooses architecture on x64 (see R Installation and Administration, 2.6 Sub-architectures for details)
Rscript needs options(echo=TRUE) in the .R file if you want to write the commands to the output file
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Draw line in UIView
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Based on Guy Daher's answer.
I try to avoid using ? because it can cause an application crash if the GetCurrentContext() returns nil.
I would do nil check if statement:
class CustomView: UIView
{
override func dra...
How do you sort a list in Jinja2?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is an undefined reference/unresolved external symbol error and how do I fix it?
...){} //uncomment this line for successful definition
This happens because base class destructors are called when the object is destroyed implicitly, so a definition is required.
virtual methods must either be implemented or defined as pure.
This is similar to non-virtual methods with no defin...
How to swap the buffers in 2 windows emacs
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philsphils
64.3k77 gold badges126126 silver badges165165 bronze badges
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How to add new column to MYSQL table?
...omething like:
$db = mysqli_connect("localhost", "user", "password", "database");
$name = $db->mysqli_real_escape_string($name);
$query = 'ALTER TABLE assesment ADD ' . $name . ' TINYINT NOT NULL DEFAULT \'0\'';
if($db->query($query)) {
echo "It worked";
}
Haven't tested it but should w...
How to implement Enums in Ruby?
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What if these enum is too be stored to the database? Will symbol notation works? I doubt...
– Phương Nguyễn
Jun 11 '10 at 3:44
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Example using Hyperlink in WPF
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64
In addition to Fuji's response, we can make the handler reusable turning it into an attached pr...
Want to exclude file from “git diff”
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64
You could set up a custom diff driver with a no op command and assign it to those files that sh...
Iterating Over Dictionary Key Values Corresponding to List in Python
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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