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Static constant string (class member)
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In C++11 you can do now:
class A {
private:
static constexpr const char* STRING = "some useful string constant";
};
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Overloading Macro on Number of Arguments
...unctions:
int FOO4(int a, int b, int c, int d) { return a + b + c + d; }
Now you can use FOO with 2, 3 and 4 arguments:
FOO(42, 42) // will use makro function FOO2
FOO(42, 42, 42) // will use makro function FOO3
FOO(42, 42, 42, 42) // will call FOO4 function
Limitations
Only up to 63 argument...
Encode URL in JavaScript?
...:, /, @ etc. These 2 methods are not to be used interchangeable, you must know what you are encoding to use the right method.
– Buu Nguyen
Mar 6 '13 at 19:32
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jQuery trigger file input
...gger an upload box (browse button) using jQuery.
The method I have tried now is:
21 Answers
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How to pass multiple parameters in a querystring
... attribute on the element with a construction
an indexed search via the now deprecated element
Web forms
The main use of query strings is to contain the content of an HTML form, also known as web form. In particular, when a form containing the fields field1, field2, field3 is submitted, the cont...
Proper usage of Java -D command-line parameters
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Works perfectly now. Also interesting to note is that in order to replicate this behavior within the Eclipse debugger these types of parameters must be placed in the VM Arguments section under Run Configurations.
– Ryan...
Django FileField with upload_to determined at runtime
...posed to having everyone's files go to MEDIA_ROOT. The problem is I don't know how to define this in the model. Here is how it currently looks:
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What does the tilde before a function name mean in C#?
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I don't know how it used to be in the past. But now destructors are inherited. Check this link for more information (check the example at the end): msdn.microsoft.com/en-us/library/66x5fx1b.aspx
– RononDex
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How to define an enum with string value?
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As far as I know, you will not be allowed to assign string values to enum. What you can do is create a class with string constants in it.
public static class SeparatorChars
{
public static String Comma { get { return ",";} }
pub...
How to center a button within a div?
...ticed it's an active answer, however Flexbox would be the correct approach now.
Live Demo
Vertical and horizontal alignment.
#wrapper {
display: flex;
align-items: center;
justify-content: center;
}
Just horizontal (as long as the main flex axis is horizontal which is default)
#wrapper {...