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Which is best way to define constants in android, either static class, interface or xml resource?

I'm developing an android application which uses web service to get data from server, for that I'm having three different set of URLs to point development system, test server and live server. It's difficult to change URL whenever I want to give application for testing/live. so I planned to make it a...
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ExpressJS - throw er Unhandled error event

...bably isn't the best solution for a production environment. Starting your service as root may introduce some security holes to your server/application. In my case, this was a solution for a local service, but I'd encourage others to spend some more time trying to isolate the cause. ...
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How to get HTTP Response Code using Selenium WebDriver

...ng/cws/wws/webpage1.html","protocol":"http/1.1","fromDiskCache":false,"fromServiceWorker":false,"requestHeaders":{"Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8","Upgrade-Insecure-Requests":"1","Connection":"keep-alive","User-Agent":"Mozilla/5.0 (Windows NT 6.3;...
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How to set a Timer in Java?

...rm a task for a given period of time, you could do the following: ExecutorService service = Executors.newSingleThreadExecutor(); try { Runnable r = new Runnable() { @Override public void run() { // Database task } }; Future<?> f = service.subm...
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How to know which version of Symfony I have?

...version in pages, for example in footer, you can do it this way. Create a service: <?php namespace Project\Bundle\DuBundle\Twig; class SymfonyVersionExtension extends \Twig_Extension { public function getFunctions() { return array( //this is the name of the function you will use in twig...
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Apache shows PHP code instead of executing it

...ache2-mod-php sudo a2enmod mpm_prefork && sudo a2enmod php7.0 sudo service apache2 restart share | improve this answer | follow | ...
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Meaning of tilde in Linux bash (not home directory)

... They're not symlinks, service accounts don't have home directories under /home – Ana Betts Mar 5 '14 at 18:24 ...
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What is the best Distributed Brute Force countermeasure?

...er has pre-scraped our userlist (usually possible on open-registration web services), we can't detect an ongoing attack based on number of 'user not found' errors. And if we enforce a restrictive system-wide (all usernames, all IPs) throttling, any such attack will DoS our entire site for the durati...
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BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区,为创新赋能!

... 0x15,    /* 设备128bit服务UUID */     BLE_AD_TYPE_SERVICE_DATA             = 0x16,    /* 设备16bit服务UUID数据 */     BLE_AD_TYPE_PUBLIC_TARGET            = 0x17,  ...
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Postgres could not connect to server

...starting up. To fix it: $ rm /usr/local/var/postgres/postmaster.pid $ brew services restart postgresql and then all is well. share | improve this answer | follow ...