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Error: could not find function … in R
...MESPACE, is that you are trying to run an unexported function from package foo.
For example (contrived, I know, but):
> mod <- prcomp(USArrests, scale = TRUE)
> plot.prcomp(mod)
Error: could not find function "plot.prcomp"
Firstly, you shouldn't be calling S3 methods directly, but lets ...
Reference — What does this symbol mean in PHP?
...lowercased. The class name includes the namespace it was declared in (e.g. Foo\Bar). Note that as of PHP 5.4 __CLASS__ works also in traits. When used in a trait method, __CLASS__ is the name of the class the trait is used in.
__TRAIT__: The trait name. (Added in PHP 5.4.0) As of PHP 5.4 this const...
.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
...starting below this like copy pasted list in here
# Example:
# LoadModule foo_module modules/mod_foo.so
LoadModule access_compat_module modules/mod_access_compat.so
LoadModule actions_module modules/mod_actions.so
LoadModule alias_module modules/mod_alias.so
LoadModule allowmethods_module modules/...
How to loop through array in jQuery?
...x, val) {
console.log(index, val)
});
var myObj = { firstName: "skyfoot"};
$.each(myObj, function(propName, propVal) {
console.log(propName, propVal);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
javascript loops for ar...
Servlet for serving static content
... system:
Here's a concrete example which serves it via an URL like /files/foo.ext from the local disk file system:
@WebServlet("/files/*")
public class FileSystemResourceServlet extends StaticResourceServlet {
private File folder;
@Override
public void init() throws ServletException ...
Sprintf equivalent in Java
...ead of String.format()
Assertions.assertEquals(
"%s %d %.3f".formatted("foo", 123, 7.89),
"foo 123 7.890"
);
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What does the restrict keyword mean in C++?
... following program compiles cleanly on g++:
#include <stdio.h>
int foo(int * __restrict__ a, int * __restrict__ b) {
return *a + *b;
}
int main(void) {
int a = 1, b = 1, c;
c = foo(&a, &b);
printf("c == %d\n", c);
return 0;
}
I also found a nice article on t...
How to dynamic new Anonymous Class?
...can't to do it: dynamic o1 = new ExpandObject(); o1."ID" = 1; o1."Name" = "Foo";
– Flash
Sep 18 '10 at 1:57
...
What is the difference between procedural programming and functional programming? [closed]
...
@AkashBisariya sub foo( $a, $b ){ ($a,$b).pick } ← does not always return the same output for the same input, while the following does sub foo( $a, $b ){ $a + $b }
– Brad Gilbert
Apr 22 '18 at 16:10
...
Chrome extension: accessing localStorage in content script
...e it using the Chrome extension storage API.
chrome.storage.sync.set({'foo': 'hello', 'bar': 'hi'}, function() {
console.log('Settings saved');
});
// Read it using the storage API
chrome.storage.sync.get(['foo', 'bar'], function(items) {
message('Settings retrieved', it...