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How is Docker different from a virtual machine?
...istine copy of the database and will make changes to the data. The classic approach to this is to reset the database after every test either with custom code or with tools like Flyway - this can be very time-consuming and means that tests must be run serially. However, with Docker you could create a...
How do I connect to a specific Wi-Fi network in Android programmatically?
I want to design an app which shows a list of Wi-Fi networks available and connect to whichever network is selected by the user.
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Which Android IDE is better - Android Studio or Eclipse? [closed]
...y first choice is Android Studio. its has great feature to develop android application.
Eclipse is not that hard to learn also.If you're going to be learning Android development from the start, I can recommend Hello, Android, which I just finished. It shows you exactly how to use all the features o...
Node.js on multi-core machines
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@Serob_b - well, yes. Running a Node.js app on multiple machines is very common. There's no library needed to do so. You just run your code on multiple machines and distribute load between them. Architecting your software so that it scales (ie, it stores state in s...
Java Programming - Where should SQL statements be stored? [closed]
Where should an JDBC-compliant application store its SQL statements and why?
15 Answers
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Replace Fragment inside a ViewPager
...u probably noticed yourself, using that ID in your code causes nothing to happen. I will explain why:
First of all, to make ViewPager repopulate the pages, you need to call notifyDataSetChanged() that resides in the base class of your adapter.
Second, ViewPager uses the getItemPosition() abstract ...
When should assertions stay in production code? [closed]
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Actually, the worst thing that happens is when code crashes due to something that is NOT an assert. If the code will definitely crash later on with 100% probability, then the assert must absolutely be there. If you deref a pointer, then you have to implic...
CodeIgniter - accessing $config variable in view
...also come to picture you have to access like this for example I include an app.php in config folder I have a variable
$config['50001'] = "your message"
Now I want access in my controller or model .
Try following two cases one should work
case1:
$msg = $this->config->item('ur config ...
For-each over an array in JavaScript
... it handy).
Unless you're supporting obsolete browsers like IE8 (which NetApps shows at just over 4% market share as of this writing in September 2016), you can happily use forEach in a general-purpose web page without a shim. If you do need to support obsolete browsers, shimming/polyfilling forEa...
How do you log content of a JSON object in Node.js?
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console.log(obj);
Run: node app.js > output.txt
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