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Why not use exceptions as regular flow of control?
...ionError or StandardError or something that does correspond to bad things happening. If you have trouble with that, then how do you do logging -- don't you log by level and class, precisely so you can filter on them? Do you think that's a bad idea, too?
– Ken
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How should I unit test threaded code?
...currently.
The simplest way to deal with testing complex, multithreaded application code is this: If its too complex to test, you're doing it wrong. If you have a single instance that has multiple threads acting upon it, and you can't test situations where these threads step all over each other...
Domain Driven Design: Domain Service, Application Service
Can someone explain the difference between domain and application services by providing some examples? And, if a service is a domain service, would I put the actual implementation of this service within the domain assembly and if so, would I also inject repositories into that domain service? Some in...
How to use Servlets and Ajax?
I'm very new to web apps and Servlets and I have the following question:
7 Answers
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How to search file text for a pattern and replace it with a given value
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Disclaimer: This approach is a naive illustration of Ruby's capabilities, and not a production-grade solution for replacing strings in files. It's prone to various failure scenarios, such as data loss in case of a crash, interrupt, or disk be...
Why not inherit from List?
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@Mehrdad: Honestly, if your application requires that you care about the performance burden of, say, virtual methods, then any modern language (C#, Java, etc) is not the language for you. I have a laptop right here that could run a simulation of every a...
Non-Relational Database Design [closed]
...al relational design or SQL (such as Hypertable, CouchDB, SimpleDB, Google App Engine datastore, Voldemort, Cassandra, SQL Data Services, etc.). They're also often referred to as "key/value stores", and at base they act like giant distributed persistent hash tables.
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What are the differences between Perl, Python, AWK and sed? [closed]
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In order of appearance, the languages are sed, awk, perl, python.
The sed program is a stream editor and is designed to apply the actions from a script to each line (or, more generally, to specified ranges of lines) of the input file or...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
...s into the relational model, use a relational database if you can. If your application doesn't fit the relational model but it does fit the graph model, use a graph database. If it only fits something else, use that.
If your application doesn't need to fit into the current blub architecture, use a ...
How do I safely pass objects, especially STL objects, to and from a DLL?
...ort answer to this question is don't. Because there's no standard C++ ABI (application binary interface, a standard for calling conventions, data packing/alignment, type size, etc.), you will have to jump through a lot of hoops to try and enforce a standard way of dealing with class objects in your ...