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How to resolve “must be an instance of string, string given” prior to PHP 7?
...erverted sense.
You can only manually "type hint" scalar types:
function foo($string) {
if (!is_string($string)) {
trigger_error('No, you fool!');
return;
}
...
}
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When is “Try” supposed to be used in C# method names?
...
+1 But I also have a 4th expectation: If there is a TryFoo method, there will be a similar Foo method which allows me to handle any `` exceptions myself. These methods' signatures will likely be different so their usages are not interchangeable without other code changes.
...
PHP array_filter with arguments
...l: $matches = $myobj->ArraySelect( Array('from'=>$arr, 'where'=>$foo, 'lessthan'=>12 ) )
– dreftymac
Nov 10 '11 at 0:31
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Using sed to mass rename files
...(using the / command to search),
you'll find it's a special character in s/foo/bar/ replacements.
s/regexp/replacement/
Attempt to match regexp against the pattern space. If success‐
ful, replace that portion matched with replacement. The
replacement may co...
Is It Possible to Sandbox JavaScript Running In the Browser?
...ex); // syntax error: [error object]
}
}).eval({
code : '"foo"+input',
input : "bar",
callback: function(str) {
console.log("string: ", str); // string: foobar
}
}).eval({
code : "({q:1, w:2})",
callback: function(obj) {
conso...
Changing the current working directory in Java?
...e classes, including the one I tested with at first. new FileOutputStream("foo.txt").close(); creates the file in the original working directory even if user.dir is changed by the program.
– Michael Myers♦
Jun 9 '15 at 17:13
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In C# check that filename is *possibly* valid (not that it exists) [duplicate]
... Also doesn't work if you have question mark at the end. C:\\foo\\bar??
– Lion King
Mar 8 '18 at 9:33
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How do I convert a string to a number in PHP?
... // 34
echo intval(array()); // 0
echo intval(array('foo', 'bar')); // 1
?>
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Ways to implement data versioning in MongoDB
...ions:
{
_id: ObjectId("..."),
data: [
{ vid: 1, content: "foo" },
{ vid: 2, content: "bar" }
]
}
data contains all versions. The data array is ordered, new versions will only get $pushed to the end of the array. data.vid is the version id, which is an incrementing numb...
how to POST/Submit an Input Checkbox that is disabled?
... specifically set the value of readonly to readonly, i.e.: <input name="foo" value="bar" readonly="readonly" />
– Matt Huggins
Jan 18 '11 at 19:20
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