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When should I use jQuery's document.ready function?

...document.ready when I first started to use Javascript/jQuery but I never really learned why. 8 Answers ...
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Java: What is the difference between and ?

I am unable to understand the following text... Does it mean that <clinit> is for empty constructors? Why is important to have two different versions? ...
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How to go back in Eclipse?

Is there a way to go back in Eclipse? Basically, when I'm jumping around a big project following the execution flow (ctrl + click and etc.), is there a way to retrace a step? If my code calls a method and I go to the method definition, is there a key combination that will take me back to the calling...
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CSS center display inline block?

...me as I need a child element with display: inline-block to be both horizontally and vertically centered within a 100% width parent. I used Flexbox's justify-content and align-items properties, which respectively allow you to center elements horizontally and vertically. By setting both to center on...
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Colors in JavaScript console

...est: background: #444; color: #bada55; padding: 2px; border-radius:2px its all about the border-radius – Nick Sotiros Apr 30 '14 at 7:08 ...
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Rails - controller action name to string

... Rails 2.X: @controller.action_name Rails 3.1.X: controller.action_name, action_name Rails 4.X: action_name share | improve this ...
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Checking for an empty field with MySQL

... If you want to find all records that are not NULL, and either empty or have any number of spaces, this will work: LIKE '%\ ' Make sure that there's a space after the backslash. More info here: http://dev.mysql.com/doc/refman/5.0/en/string-com...
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vim - How to delete a large block of text without counting the lines?

...pe V (capital). Then move up/down to highlight the block you want deleted (all the usual movement commands work). Then remove it with x or d. share | improve this answer | fo...
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Do checkbox inputs only post data if they're checked?

... behaviour is the value is only sent if the checkbox is checked. This typically means you need to have a way of remembering what checkboxes you are expecting on the server side since not all the data comes back from the form. The default value is always "on", this should be consistent across browse...
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How to define object in array in Mongoose schema correctly with 2d geo index

...[Object]. Somehow I have no idea how this should work, as I tried at least all approaches which made sense to me ;-) 4 Answ...