I'm writing an event-driven publish/subscribe application with NodeJS and Redis. I need an example of how to notify web clients when the data values in Redis change. ...

I'm getting in an int with a 6 digit value. I want to display it as a String with a decimal point (.) at 2 digits from the end of int . I wanted to use a float but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function t...

I'm looking for a Java in-memory object caching API. Any recommendations? What solutions have you used in the past? 7 Answe...

Is there an elegant way to access the first property of an object... 18 Answers 18 ...

I am looking for a Linux command-line tool that would report the disk IO activity. Something similar to htop would be really cool. Has someone heard of something like that? ...

Is there a way to add a Subversion repository as a Git submodule in my Git repository? 6 Answers ...

I am looking for formula for google spreadsheet highlight cell if value duplicate in same column 6 Answers ...

I'm trying to setup an environment for a Node.js app. but I'm getting this error every time. 15 Answers ...

What is an efficient way to implement a singleton pattern in Java? 29 Answers 29 ...

What would be the best way (ideally, simplest) to convert an int to a binary string representation in Java? 16 Answers ...