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Can someone explain the dollar sign in Javascript?
...e looks like to me) tend to prefix variables that contain a jQuery object with a $ so that they are easily identified and not mixed up with, say, integers.
The dollar sign function $() in jQuery is a library function that is frequently used, so a short name is desirable.
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Is there any performance reason to declare method parameters final in Java?
...does not appear in the class file for local variables and parameters, thus it cannot impact the runtime performance. It's only use is to clarify the coders intent that the variable not be changed (which many consider dubious reason for its usage), and dealing with anonymous inner classes.
There is...
Export CSS changes from inspector (webkit, firebug, etc)
When I'm working with CSS, I'll often test in a browser - say, Chrome - right click an element, click Inspect Element, and edit the CSS right there. The use of arrow keys to change things like margin and padding makes lining things up super easy.
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Delimiters in MySQL
I often see people are using Delimiters. I tried myself to find out what are delimiters and what is their purpose. After 20 minutes of googling, I was not able to find an answer which satisfies me. So, my question is now: What are delimiters and when should I use them?
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How to calculate moving average without keeping the count and data-total?
I am trying to find a way to calculate a moving cumulative average without storing the count and total data that is received so far.
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IntelliJ not recognizing a particular file correctly, instead its stuck as a text file
...be the original reason this file was marked as text but I am not provided with a "mark as ftl file" option to turn it back, if indeed this is the problem. If I mark other ftl files as txt, I am able to turn them back into ftl files as expected.
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Concatenate two slices in Go
...follow
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edited Mar 5 '15 at 19:40
community wiki
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Use 'class' or 'typename' for template parameters? [duplicate]
When defining a function template or class template in C++, one can write this:
10 Answers
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XML Schema (XSD) validation tool? [closed]
At the office we are currently writing an application that will generate XML files against a schema that we were given. We have the schema in an .XSD file.
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How does this checkbox recaptcha work and how can I use it?
I've recently signed up to the oneplusone website https://account.oneplus.net/sign-up , and noticed this checkbox recaptcha
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