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Get the client's IP address in socket.io
...IO in a Node.js server, is there an easy way to get the IP address of an incoming connection? I know you can get it from a standard HTTP connection, but socket.io is a bit of a different beast.
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
...s "mysqld".
You can start it by installing "MySQL.prefPane".
Here is the complete tutorial which helped me:
http://obscuredclarity.blogspot.in/2009/08/install-mysql-on-mac-os-x.html
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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...onvenience way to use interface.
still using same interface. FYI, you may combine this into AsyncTask class.
in AsyncTask class :
public class MyAsyncTask extends AsyncTask<Void, Void, String> {
// you may separate this or combined to caller class.
public interface AsyncResponse {
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Using Rails serialize to save hash to database
...to a number of attempts in my rails app. My migration to the database to accommodate this new column:
3 Answers
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How to check if an object is an array?
...ted by Chrome 5, Firefox 4.0, IE 9, Opera 10.5 and Safari 5)
For backward compatibility you can add the following
# only implement if no native implementation is available
if (typeof Array.isArray === 'undefined') {
Array.isArray = function(obj) {
return Object.prototype.toString.call(obj) =...
Can I see changes before I save my file in Vim?
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http://vim.wikia.com/wiki/Diff_current_buffer_and_the_original_file
Here is a function and command to see a diff between the currently edited file and its unmodified version in the filesystem. Just put this in your vimrc or in the plugin ...
What's so bad about Template Haskell?
It seems that Template Haskell is often viewed by the Haskell community as an unfortunate convenience. It's hard to put into words exactly what I have observed in this regard, but consider these few examples
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