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What is the difference between string primitives and String objects in JavaScript?
...rms of functionality. That aside, the behaviour you are trying to name is called auto-boxing. So what actually happens is that a primitive is converted to its wrapper type when a method of the wrapper type is invoked. Put simple:
var s = 'test';
Is a primitive data type. It has no methods, it is ...
JavaScript style for optional callbacks
I have some functions which occasionally (not always) will receive a callback and run it. Is checking if the callback is defined/function a good style or is there a better way?
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How do sessions work in Express.js with Node.js?
Using Express.js , sessions are dead simple. I'm curious how they actually work though.
4 Answers
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How can I override inline styles with external CSS?
...e !important keyword to any CSS rule lets the rule forcefully precede over all the other CSS rules for that element.
It even overrides the inline styles from the markup.
The only way to override is by using another !important rule, declared either with higher CSS specificity in the CSS, or equa...
socket.io and session?
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Edit: After trying some modules that didn't work, I've actually gone and written my own library to do this. Shameless plug: go check it out at https://github.com/aviddiviner/Socket.IO-sessions. I'll leave my old post below for historical purposes:
I got this work quite neatly with...
What are the git concepts of HEAD, master, origin?
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I highly recommend the book "Pro Git" by Scott Chacon. Take time and really read it, while exploring an actual git repo as you do.
HEAD: the current commit your repo is on. Most of the time HEAD points to the latest commit in your current branch, but that doesn't have to be the case. HEAD rea...
Select arrow style change
... I found this answer from a duplicate question that shows how to actually add a "button" as well, using pure CSS (no pngs, jpegs, etc.) stackoverflow.com/a/28274325/2098017
– Anthony F.
May 17 '16 at 19:39
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Prompt for user input in PowerShell
... Thanks, @Rynant. Accepted answer for being the only one who actually answered my main question! ;) All the other information is really helpful too, especially as I'm still groping my way in PS.
– AJ.
Nov 23 '11 at 12:38
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@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
...automatic initMocks().
The automatic validation of framework usage is actually worth having. It gives you better reporting if you make one of these mistakes.
You call the static when method, but don't complete the stubbing with a matching thenReturn, thenThrow or then. (Error 1 in the code bel...
How to disable/enable select field using jQuery?
...).prop('disabled', true);. As jQuery's documentation says: Properties generally affect the dynamic state of a DOM element without changing the serialized HTML attribute. Examples include the value property of input elements, the disabled property of inputs and buttons, or the checked property of a c...