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Swift alert view with OK and Cancel: which button tapped?

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What is the difference between aggregation, composition and dependency? [duplicate]

...ependency relates to collaboration or delegation, where an object requests services from another object and is therefor dependent on that object. As the client of the service, you want the service interface to remain constant, even if future services are offered. ...
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Easy way to test a URL for 404 in PHP?

... break; case 503: $error_status="503: Twitter service unavailable. Hopefully they'll be OK soon!"; break; default: $error_status="Undocumented error: " . $status_code; break; } Essentially, you use the "file g...
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remove legend title in ggplot

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How do I log ALL exceptions globally for a C# MVC4 WebAPI app?

I am developing an API Service Layer for a client and I have been requested to catch and log all errors globally. 5 Answers...
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SQLite table constraint - unique on multiple columns

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How to check internet access on Android? InetAddress never times out

...ery fast. It needs to run in a separate task though (e.g. ScheduledExecutorService or AsyncTask). Possible Questions Is it really fast enough? Yes, very fast ;-) Is there no reliable way to check internet, other than testing something on the internet? Not as far as I know, but let me know, and ...
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SVN:externals equivalent in Git?

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Open Redis port for remote connections

...etc/redis/redis.conf) bind 127.0.0.1 After bind 0.0.0.0 and run sudo service redis-server restart to restart the server. If that's not the problem, you might want to check any firewalls that might block the access. Important: If you don't use a firewall (iptables, ufw..) to control who connec...
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Idiomatic way to convert an InputStream to a String in Scala

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