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Best way to check if a URL is valid
I want to use PHP to check, if string stored in $myoutput variable contains a valid link syntax or is it just a normal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters.
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Can we omit parentheses when creating an object using the “new” operator?
... making a mistake you should use (new Object).func(). But I consider using extra parenthesis and extra equal signs, as in == vs ===, a bad excuse for not learning your language.
– Jean Vincent
Jun 2 '17 at 12:26
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UILabel with text of two different colors
I want to display a string like this in a UILabel :
20 Answers
20
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How to resolve “must be an instance of string, string given” prior to PHP 7?
...s. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error message may be funny, but it's not supposed to work to begin with. Given the dynamic typing system, this actually makes some sort of perverted sense.
You ...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
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Having to always type extra code just to source the environment is ridiculous!
– Michael
Jan 8 '13 at 16:37
4
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Convert generic List/Enumerable to DataTable?
...agnostics;
public class MyData
{
public int A { get; set; }
public string B { get; set; }
public DateTime C { get; set; }
public decimal D { get; set; }
public string E { get; set; }
public int F { get; set; }
}
static class Program
{
static void RunTest(List<MyData&g...
PHP code to remove everything but numbers
I'm trying to remove everything from a string but just numbers (0-9).
4 Answers
4
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How to preventDefault on anchor tags?
...gs (<a></a>) to see if their href attribute is either an empty string ("") or a hash ('#') or there is an ng-click assignment. If it finds any of these conditions, it catches the event and prevents the default behavior.
The only down side is that it runs this directive for all anchor t...
Refresh a page using JavaScript or HTML [duplicate]
... javascript to the page that always get the versionnumber of the page as a string (ajax) at loading. for example: www.yoursite.com/page/about?getVer=1&__[date]
Compare it to the stored versionnumber (stored in cookie or localStorage) if user has visited the page once, otherwise store it directly...
When to use in vs ref vs out
... difference, an out parameter needs not be initialized.
Example for out:
string a, b;
person.GetBothNames(out a, out b);
where GetBothNames is a method to retrieve two values atomically, the method won't change behavior whatever a and b are. If the call goes to a server in Hawaii, copying the in...