[Solved] jquery if background is red doesn’t recognize error, looks easy but stubborn

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Why is this fiddle not working? Many reasons. 1) CSS property background is not background-color 2) background-color is not red but rgb(255, 0, 0) Working code: $(document).ready(function(){ $(“.box”).click(function(){ if ($(“.box”).css(“background-color”) == “rgb(255, 0, 0)”) { $(“.box”).html(“Success!”); } }); }); Working Jsfiddle link Side note: debugging with console.log() is much more convenient than alert() Side note … Read more

[Solved] operator ‘&&’ cannot be applied to operands of type ‘string’ and ‘string’

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You need to use logical operators each time. IF you want to chack all strings to inequality to empty string then use String.IsNullOrEmpty() method instead of != operator. Also there is no reason to use () in your expression. You need to use brackets to prioritize operations but in your code there is no prioritets … Read more

[Solved] JavaScript VS Perl Script [closed]

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Start with the wikipedia pages for each language. Then grab some reference books on each (the Camel book for Perl, obviously). Areas to consider might include: Approach to types Namespacing / variable scoping Module/Class/Package inclusion mechanisms argument passing semantics return value contexts (search for scalar/list context wrt perl) Multi-processing/multi-threading support/approaches Unicode support Standard libraries Range … Read more

[Solved] 2-D array Friends of Friends List

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Why not try something like this. Of course, i have taken a bit of freedom on the design as you didnt provide any code. Hope this helps! private static Set<Node> getNodesFollowAllEdges(Node node) { Set<Node> nodes = getNodesFollowAllEdges(node, new HashSet<>()); // remember to remove the original node from the set nodes.remove(node); return nodes; } private static … Read more