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jQuery Validate - require at least one field in a group to be filled

... on has several cloned regions with grouped inputs like these, I passed an extra argument to the require_from_group constructor, changing exactly one line of your addMethod function: var commonParent = $(element).parents(options[2]); and this way a selector, ID or element name can be passed once:...
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Save current directory in variable using Bash?

... Your assignment has an extra $: export PATH=$PATH:${PWD}:/foo/bar share | improve this answer | follow | ...
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iPhone - Grand Central Dispatch main thread

...rocessing has finished e.g. - (void)doCalculation { //you can use any string instead "com.mycompany.myqueue" dispatch_queue_t backgroundQueue = dispatch_queue_create("com.mycompany.myqueue", 0); dispatch_async(backgroundQueue, ^{ int result = <some really long calculation th...
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Preventing Laravel adding multiple records to a pivot table

... I don't like this solution because it forces an extra query ($cart->items) I've been doing something like: $cart->items()->where('foreign_key', $foreignKey)->count() Which, well, actually performs an additional query too '^^ But I don't need to fetch and hy...
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Finding Key associated with max Value in a Java Map

...s with maximum value public class NewClass4 { public static void main(String[] args) { HashMap<Integer,Integer>map=new HashMap<Integer, Integer>(); map.put(1, 50); map.put(2, 60); map.put(3, 30); map.put(4, 60); map.put(5, 60); ...
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Form inside a table

...dit a row and being able to make their changes, OTOH, would be an annoying extra interaction that they would have to perform. – Quentin Feb 13 '16 at 10:55 ...
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Why can't variables be declared in a switch statement?

...istency in the code. In the old days, you might have automatically got an "extra" stack frame, but now that should not be the case for any decent optimizing compiler. – Tall Jeff Sep 18 '08 at 14:37 ...
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Read/write to Windows registry using Java

... following code obtains the exact windows distribution from the registry: String value = WinRegistry.readString ( WinRegistry.HKEY_LOCAL_MACHINE, //HKEY "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", //Key "ProductName"); ...
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How to center a (background) image within a div?

... If you want the entire div to be filled with the image and no extra space you should use background-size: cover; If you want the entire image to show without any part of the image being cut off or stretched you want to use background-size: contain; – Zlerp ...
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Multiple GitHub Accounts & SSH Config

... Andy Lester's response is accurate but I found an important extra step I needed to make to get this to work. In trying to get two profiles set up, one for personal and one for work, my ~/.ssh/config was roughly as follows: Host me.github.com HostName github.com PreferredAuthe...