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Passing command line arguments to R CMD BATCH
.... I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather than being interpreted as an argument available to the R script being executed.
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Does using final for variables in Java improve garbage collection?
Today my colleagues and me have a discussion about the usage of the final keyword in Java to improve the garbage collection.
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Is it possible to delete an object's property in PHP?
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unset($a->new_property);
This works for array elements, variables, and object attributes.
Example:
$a = new stdClass();
$a->new_property = 'foo';
var_export($a); // -> stdClass::__set_state(array('new_property' => 'foo'))
unset($a->new_property);
var_export($a); // -> st...
Convert form data to JavaScript object with jQuery
...se serializeArray is already written, is unit tested in multiple browsers, and could theoretically be improved in later versions of jQuery. The less code you write that has to access inconsistent things like DOM elements directly, the more stable your code will be.
– Tobias Coh...
How do I remove a key from a JavaScript object? [duplicate]
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// Example 3
delete thisIsObject.Cow;
If you're interested, read Understanding Delete for an in-depth explanation.
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async at console app in C#? [duplicate]
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In most project types, your async "up" and "down" will end at an async void event handler or returning a Task to your framework.
However, Console apps do not support this.
You can either just do a Wait on the returned task:
static void Main()
{
MainAsync().Wa...
How do I do a 'git status' so it doesn't display untracked files without using .gitignore?
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That's a command-line operation; not a git config file edit.
– Ross Rogers
Dec 4 '17 at 17:55
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How to override and extend basic Django admin templates?
...ing-templates
Original answer from 2011:
I had the same issue about a year and a half ago and I found a nice template loader on djangosnippets.org that makes this easy. It allows you to extend a template in a specific app, giving you the ability to create your own admin/index.html that extends the a...
What is the difference between bottom-up and top-down?
...namic programming) consists in first looking at the "smaller" subproblems, and then solve the larger subproblems using the solution to the smaller problems.
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View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
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