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Count lines of code in all java classes in Android Studio

... Go to https://plugins.jetbrains.com/idea/plugin/4509-statistic and install the latest version To install Run Android Studio From the menu bar, select File-->Settings Under IDE Settings, click Plugins, and then click Install plugin from disk Navigate to the folder where you download...
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How do I restrict a float value to only two places after the decimal point in C?

...e: round down (ie, truncate after two decimal places), rounded to nearest, and round up. Usually, you want round to nearest. As several others have pointed out, due to the quirks of floating point representation, these rounded values may not be exactly the "obvious" decimal values, but they will b...
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Java - How to create new Entry (key, value)

...ld = this.value; this.value = value; return old; } } And then use it: Map.Entry<String, Object> entry = new MyEntry<String, Object>("Hello", 123); System.out.println(entry.getKey()); System.out.println(entry.getValue()); ...
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Ternary operator in AngularJS templates

...select either the property with name true or the property with name false, and return the associated value. E.g., <li class="{{{true: 'myClass1 myClass2', false: ''}[$first]}}">...</li> or <li ng-class="{true: 'myClass1 myClass2', false: ''}[$first]">...</li> $first is s...
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Converting a String to DateTime

... Since you are handling 24-hour based time and you have a comma separating the seconds fraction, I recommend that you specify a custom format: DateTime myDate = DateTime.ParseExact("2009-05-08 14:40:52,531", "yyyy-MM-dd HH:mm:ss,fff", ...
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What package naming convention do you use for personal/hobby projects in Java?

I'm already familiar with the standard Java package naming convention of using a domain name to create a unique package name (i.e. package com.stackoverflow.widgets ). However, I've never seen any recommendations for how to choose package names for personal projects. I assume because this is becaus...
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Image, saved to sdcard, doesn't appear in Android's Gallery app

I save an image to the sdcard and it doesn't appear in the Gallery application until I pull off the sdcard and return it back. ...
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Rake just one migration

... rake db:migrate:redo VERSION=xxxxxxx, but that will run the down and then the up step. You could do this in conjunction with commenting out the down step temporarily. share | improve this ...
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Get an object's class name at runtime

...\w+/g)[1]; The above code gets the entire constructor code as a string and applies a regex to get all 'words'. The first word should be 'function' and the second word should be the name of the class. Hope this helps. sh...
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How can I access getSupportFragmentManager() in a fragment?

I have a FragmentActivity and I want to use a map fragment within it. I'm having a problem getting the support fragment manager to access it. ...