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git submodule tracking latest
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How to clone a case class instance and change just one field in Scala?
...sing lens in Shapeless library:
import shapeless.lens
case class Persona(serviceName : String,
serviceId : String,
sentMessages : Set[String])
// define the lens
val messageLens = lens[Persona] >> 'sentMessages
val existingPersona = Persona("store"...
When to use the different log levels
...elopers (IT, sysadmins, etc.).
Info - Generally useful information to log (service start/stop, configuration assumptions, etc). Info I want to always have available but usually don't care about under normal circumstances. This is my out-of-the-box config level.
Warn - Anything that can potentially c...
Android adb “Unable to open sync connection!”
... go to your phone settings, then go to "Applications", then go to "Running services", and kill every service in there. I'm using a Droid Incredible and I have yet to have this not work for me. :-)
So, the short answer is, kill all apps, and all services.
Also, keep in mind, you will need to close...
How to ignore the certificate check when ssl
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Since there is only one global ServicePointManager, setting ServicePointManager.ServerCertificateValidationCallback will yield the result that all subsequent requests will inherit this policy. Since it is a global "setting" it would be prefered to set it i...
Gradle, “sourceCompatibility” vs “targetCompatibility”?
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Invalid default value for 'create_date' timestamp field
...ERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
Save and then restart mysql service by doing:
sudo service mysql restart
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Couldn't connect to server 127.0.0.1:27017
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sudo mongod --repair
Step 3: start mongodb.
sudo start mongodb
or
sudo service mongodb start
Step 4: Check status of mongodb.
sudo status mongodb
or
sudo service mongodb status
Step 5: Start mongo console.
mongo
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nginx - client_max_body_size has no effect
...to be sure to restart your NGINX and PHP FastCGI Process Manager (PHP-FPM) services. On the above configuration, I use the following commands:
/etc/init.d/nginx restart
/etc/init.d/php-fpm restart
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Easy way to prevent Heroku idling?
...e always slept after an activity timeout, some apps used automatic pinging services to prevent that behavior. free dynos are allowed 18 hours awake per 24 hour period, and over the next few weeks we will begin to notify users of apps that exceed that limit. With the introduction of the hobby dyno ($...