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StringBuilder vs String concatenation in toString() in Java
Given the 2 toString() implementations below, which one is preferred:
18 Answers
18
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How do I resolve “Cannot find module” error using Node.js?
After pulling down a module from GitHub and following the instructions to build it, I try pulling it into an existing project using:
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Algorithm to calculate the number of divisors of a given number
What would be the most optimal algorithm (performance-wise) to calculate the number of divisors of a given number?
27 Answe...
Python list directory, subdirectory, and files
I'm trying to make a script to list all directory, subdirectory, and files in a given directory.
I tried this:
7 Answers
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Building a notification system [closed]
I am at the start of building a Facebook style notification system for our page (social gaming type) and I'm now researching what would be the best way to design such system. I'm not interested in how to push notifications to the user or anything like that (for now even). I am researching how to bui...
Google maps API V3 - multiple markers on exact same spot
Bit stuck on this one. I am retrieving a list of geo coords via JSON and popping them onto a google map. All is working well except in the instance when I have two or more markers on the exact same spot. The API only displays 1 marker - the top one. This is fair enough I suppose but would like t...
Number of lines in a file in Java
I use huge data files, sometimes I only need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file
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Variable length (Dynamic) Arrays in Java
I was wondering how to initialise an integer array such that it's size and values change through out the execution of my program, any suggestions?
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How can I force WebKit to redraw/repaint to propagate style changes?
I have some trivial JavaScript to effect a style change:
27 Answers
27
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C++ sorting and keeping track of indexes
Using C++, and hopefully the standard library, I want to sort a sequence of samples in ascending order, but I also want to remember the original indexes of the new samples.
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