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Amelia Monahan

Answers by Amelia Monahan

Checking if a variable is an integer?

You can use the is_a? method >> 1.is_a? Integer => true >> "[email protected]".is_a? Integer => false >> nil.is_...

Regular expression to allow spaces between words?

tl;dr Just add a space in your character class. ^[a-zA-Z0-9_ ]*$   Now, if you want to be strict... The above isn't exactly corre...

Explanation of the UML arrows?

Here's some explanations from the Visual Studio 2015 docs: UML Class Diagrams: Reference: https://msdn.microsoft.com/library/dd409437%28VS...

Select DISTINCT and MAX in the same query?

I think Itay Moav-Malimovka's solution is just perfect, however if you really want to have two columns you could use .... select distinct...

MySQL error: key specification without a key length?

The error happens because MySQL can index only the first N chars of a BLOB or TEXT column. So The error mainly happens when there is a fie...

Attach event listener through javascript to radio button?

For in loops in JavaScript return the keys, not the values. To get the for in loop to work, assuming you haven't added custom properties ...

Align two divs horizontally side by side center to the page using bootstrap css?

This should do the trick: <div class="container"> <div class="row"> <div class="col-xs-6"> ONE ...

How does one change nagios default url to custom url??

You will need to edit the cgi.cfg file for Nagios. vim /usr/local/nagios/etc/cgi.cfg Change url_html_path=/nagios to url_html_path=/ Ed...

Fiddler not capturing traffic from browsers?

Not sure if this is relevant but I had the same problem with Fiddler after the last update (v2.4.5.0). I turned all filters off but still...