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Traits in PHP – any real world examples/best practices? [closed]
... foo() {}
}
class B extends A
{
use T;
}
The above will result in an error (demo). Likewise, any methods declared in the trait that are also already declared in the using class will not get copied into the class, e.g.
trait T {
public function foo() {
return 1;
}
}
class A {
use ...
is there a post render callback for Angular JS directive?
...multiple directives on the same element will result in a $compile:multidir Error - see: https://docs.angularjs.org/error/$compile/multidir
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What's the strangest corner case you've seen in C# or .NET? [closed]
...es called rounding to nearest, or banker's rounding. It minimizes rounding errors that result from consistently rounding a midpoint value in a single direction.
– ICR
Oct 12 '08 at 12:25
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Django: multiple models in one template using forms [closed]
...his since 'and' short circuits and we want to check to whole page for form errors
if a_valid and b_valid and c_valid:
a = formA.save()
b = formB.save(commit=False)
c = formC.save(commit=False)
b.foreignkeytoA = a
b.save()
c.foreignkeytoB = b
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How to reset (clear) form through JavaScript?
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I get next error: TypeError: document.getElementById(...).reset is not a function[Learn More]. I use FormValidate plugin for form. its resetForm does not reset form too =( Any suggestions?
– Eugen Konkov
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UPDATE multiple tables in MySQL using LEFT JOIN
...just update 10000 rows at a time. If I just add LIMIT 10000 it gives me an error saying 'Incorrect usage of UPDATE and LIMIT'
– Haril Satra
Feb 19 '19 at 21:46
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Why em instead of px?
I heard you should define sizes and distances in your stylesheet with em instead of in pixels. So the question is why should I use em instead of px when defining styles in css? Is there a good example that illustrates this?
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How is Racket different from Scheme?
.../6RS Scheme that runs in racket mode may either be rejected, cause runtime errors, or behave differently than it should. With that said, the main points where it is not backwards compatible are:
Racket has no set-cdr! and set-car!, rather set-mcar! which only works on pairs specifically created as...
Check if a JavaScript string is a URL
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trying to use your example. But i am getting an error on firebug which saying invalid quantifier. Any idea?
– Sisir
Jul 10 '12 at 18:49
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How to remove all white spaces in java [duplicate]
...
java.lang.String class has method substring not substr , thats the error in your program.
Moreover you can do this in one single line if you are ok in using regular expression.
a.replaceAll("\\s+","");
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