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How do I update Node.js?
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Use Node Version Manager (NVM)
It's a Bash script that lets you download and manage different versions of node. Full source code is here.
There is a separate project for nvm for Windows: github.com/coreybutler/nvm-windows
Below are the full steps to use ...
Tick symbol in HTML/XHTML
We need to display a tick symbol (✓ or ✔) within an internal web app and would ideally like to avoid using an image.
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Difference between Java Enumeration and Iterator
...xact difference between these two interfaces? Does Enumeration have benefits over using Iterator ? If anyone could elaborate, a reference article would be appreciated.
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Getting the index of the returned max or min item using max()/min() on a list
I'm using Python's max and min functions on lists for a minimax algorithm, and I need the index of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value.
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Regular expression for matching latitude/longitude coordinates?
I'm trying to create a regular expression for matching latitude/longitude coordinates. For matching a double-precision number I've used (\-?\d+(\.\d+)?) , and tried to combine that into a single expression:
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getting the screen density programmatically in android?
How to get the screen density programmatically in android?
19 Answers
19
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How to enumerate an object's properties in Python?
I C# we do it through reflection. In Javascript it is simple as:
7 Answers
7
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What can be the reasons of connection refused errors?
I'm trying to write a server program in C,
using another client, I get this error when I try to connect through port 2080 for example.
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How do I manually create a file with a . (dot) prefix in Windows? For example, .htaccess
I want to create a .htaccess file manually and discovered it seems impossible through the Windows UI. I get a "you must type a filename." message. There has to be a way to create files with . as a prefix in Windows.
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Scala Doubles, and Precision
...o ROOT locale. E.g. "%.2f".formatLocal(java.util.Locale.ROOT,x).toDouble . It seems, format uses ',' because of the locale whereas toDouble is not able to take it in and throws a NumberFormatException. This of course is based on where your code is being run, not where it's developed.
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