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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA
I'm trying to brush up on my design pattern skills, and I'm curious what are the differences between these patterns? All of them seem like they are the same thing - encapsulate the database logic for a specific entity so the calling code has no knowledge of the underlying persistence layer. From m...
Where to use EJB 3.1 and CDI?
I am making a Java EE based product in which I'm using GlassFish 3 and EJB 3.1.
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How to check if a word is an English word with Python?
I want to check in a Python program if a word is in the English dictionary.
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Easiest way to pass an AngularJS scope variable from directive to controller?
What is the easiest way to pass an AngularJS scope variable from directive to controller? All of the examples that I've seen seem so complex, isn't there a way I can access a controller from a directive, and set one of it's scope variables?
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When does invoking a member function on a null instance result in undefined behavior?
Consider the following code:
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How to rethrow the same exception in SQL Server
I want to rethrow the same exception in SQL Server that has just occurred in my try block. I am able to throw same message but I want to throw same error.
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How can I quickly sum all numbers in a file?
I have a file which contains several thousand numbers, each on it's own line:
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How to configure MongoDB Java driver MongoOptions for production use?
...e web looking for best practices for configuring MongoOptions for the MongoDB Java driver and I haven't come up with much other than the API. This search started after I ran into the "com.mongodb.DBPortPool$SemaphoresOut: Out of semaphores to get db
connection" error and by increasing the connectio...
How to truncate milliseconds off of a .NET DateTime
I'm trying to compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precisio...
Cartesian product of multiple arrays in JavaScript
How would you implement the Cartesian product of multiple arrays in JavaScript?
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