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PHP Function with Optional Parameters
...e are using the ternary operator, so it's correct use just one "=". If you test with method(); method(1); method(1, 2);, then the first call will associate arg1 and arg2 with the defaults values, the second call will associate the second arg with the default value and "1" for the first arg. The last...
How to access parent Iframe from JavaScript
...imply a matter of iterating through the parent window's frames[] array and testing each frame's contentWindow against the window in which your code is running. Example:
var arrFrames = parent.document.getElementsByTagName("IFRAME");
for (var i = 0; i < arrFrames.length; i++) {
if (arrFrames[i]...
How to set a value of a variable inside a template code?
...
In the latest version it appears that you can use simple_tag instead of assignment_tag (and it worked for me).
– Katharine Osborne
Mar 13 '18 at 19:44
...
Difference between and
... that process the above form's action:
<?php var_dump($_POST); ?>
Test the above on your local machine by creating the two files in a folder named /tmp/test/ then running the built-in PHP web server from shell:
php -S localhost:3000 -t /tmp/test/
Open your browser at http://localhost:300...
Why no generics in Go?
...4, 5, 6, 7, 8, 9})
PrintSlice([]string{"a", "b", "c", "d"})
}
You can test this example here https://go2goplay.golang.org/p/I09qwKNjxoq. This playground works just like the usual Go playground, but it supports generic code. See https://blog.golang.org/generics-next-step.
Parametric polymorphism...
How do I get a file name from a full path with PHP?
...ple, you can do this:
<?php
$xmlFile = pathinfo('/usr/admin/config/test.xml');
function filePathParts($arg1) {
echo $arg1['dirname'], "\n";
echo $arg1['basename'], "\n";
echo $arg1['extension'], "\n";
echo $arg1['filename'], "\n";
}
filePathParts...
What is a bus error?
...SIGBUS. */
*map = 0;
}
Run with:
gcc -std=c99 main.c -lrt
./a.out
Tested in Ubuntu 14.04.
POSIX describes SIGBUS as:
Access to an undefined portion of a memory object.
The mmap spec says that:
References within the address range starting at pa and continuing for len bytes to whol...
In STL maps, is it better to use map::insert than []?
...
Now run that test again with full optimizations enabled.
– antred
Jul 17 '15 at 15:44
2
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How do I write data into CSV format as string (not file)?
... [10, 20, 30],
)
Check out further usage at the github gist: source and test
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What's wrong with nullable columns in composite primary keys?
...atch is that a constraint is not considered violated if the outcome of the test is UNKNOWN. This often makes it SEEM as if the comparison yields false, but it really doesn't.
– Erwin Smout
Feb 25 '15 at 14:06
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