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Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)
					...tion)
Solution: Go to http://www.google.com/accounts/DisplayUnlockCaptcha and click continue (this will grant access for 10 minutes for registering new apps).
After this my app in production started sending emails ;)
    
    
        
            
            
                
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							Fastest Way to Serve a File Using PHP
					...rls (mod_rewrite on apache)
Crypto functions (mcrypt php module)
Multibyte string support (mbstring php module)
    
    
        
            
            
                
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							Emulating a do-while loop in Bash
					...apability is pretty cool! You could also use it to insert a delimiter in a string. Thanks!
                
– Paused until further notice.
                Oct 12 '18 at 18:48
            
        
    
            
	    
        
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							Why do people say that Ruby is slow? [closed]
					... always an issue if it impacts usability. True, scanning an xml file for a string in one second or three doesn't matter from a pure numbers point of view, but a couple seconds difference can make a big difference in usability when you're talking about a user-facing application.
                
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							Difference between @import and link in CSS
					I'm learning some CSS to tweak my project template. I come to this problem and didn't find a clear answer on the web. Is there a difference between using @import or link in CSS?
                    
                    
                        
                            
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							send/post xml file using curl command line
					...=val as many times as you need. Enclosing all post parameters in one large string separated by & does not work.
                
– hgolov
                Jan 20 '14 at 12:24
            
        
    
    
        
            
            
        
        
            
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							TCP loopback connection vs Unix Domain Socket performance
					Working on an Android and iOS based application which require communication with a server running in the same device. Currently using TCP loopback connection for communicating with App and Server (App written in user layer, server written in C++ using Android NDK)
                    
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							What is the best way to detect a mobile device?
					...       User agent sniffing is a very noddy detection technique, user agent strings are a constant moving target, they should not be trusted alone. People up-voting this post should consider researching more.
                
– Rob
                Jan 9 '12 at 10:42
                        
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							Detect iPad users using jQuery?
					... user agent. The main offender here is Facebook.
Compare these user agent strings from iOS devices:
# iOS Safari
iPad: Mozilla/5.0 (iPad; CPU OS 5_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B176 Safari/7534.48.3
iPhone: Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like M...				
				
				
							How to post pictures to instagram using API
					...ount that you wish to post a photo too
// Set all of the parameters in the string, and then sign it with their API key using SHA-256
$data ='{"device_id":"'.$device_id.'","guid":"'.$guid.'","username":"'.$username.'","password":"'.$password.'","Content-Type":"application/x-www-form-urlencoded; chars...				
				
				
							