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Best way to define error codes/strings in Java?

...re's certainly a better implementation of the enum solution (which is generally quite nice): public enum Error { DATABASE(0, "A database error has occurred."), DUPLICATE_USER(1, "This user already exists."); private final int code; private final String description; private Error(int code...
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dynamically add and remove view to viewpager

... After figuring out which ViewPager methods are called by ViewPager and which are for other purposes, I came up with a solution. I present it here since I see a lot of people have struggled with this and I didn't see any other relevant answers. First, here's my adapter; ...
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Creating and Update Laravel Eloquent

... There is and it's called firstOrNew / firstsOrCreate – malhal Aug 24 '14 at 11:59 ...
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How should I edit an Entity Framework connection string?

... I had to explicitly call save on the app.config file for the designer to recognise the connection string had been deleted. – Rossco May 9 '14 at 2:37 ...
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Best practices for catching and re-throwing .NET exceptions

... that bombs here } catch (Exception ex) { throw; } throw ex; is basically like throwing an exception from that point, so the stack trace would only go to where you are issuing the throw ex; statement. Mike is also correct, assuming the exception allows you to pass an exception (which is recom...
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Eclipse/Java code completion not working

...o previously suffering from Eclipse thinking my project was in 1.5 despite all options saying otherwise, so it must have been corrupted during this issue. – Philip Guin Jun 30 '13 at 6:51 ...
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Update multiple columns in SQL

... i think use 1keydata.com/sql/sqlupdate.html "SET column_1 = [value1], column_2 = [value2]" – DeLe Jun 9 '13 at 1:01 ...
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How do I build a numpy array from a generator?

... lists. This is necessary so that space for each item can be consecutively allocated in memory. Consecutive allocation is the key feature of numpy arrays: this combined with native code implementation let operations on them execute much quicker than regular lists. Keeping this in mind, it is techni...
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Naming convention for Scala constants?

... The officially recommended style (and I do mean officially) is the first style, camel case with first letter are upper case. It's laid down clearly by Odersky on Programming in Scala. The style is also followed by the standard library...
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What package naming convention do you use for personal/hobby projects in Java?

...ge names for personal projects. I assume because this is because this is really a matter of personal taste. 12 Answers ...