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Accessing class variables from a list comprehension in the class definition
...1)]
The limitation is stated at the end of this section in the reference guide.
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Can unit testing be successfully added into an existing production project? If so, how and is it wor
...gress from the customer's perspective (see below).
Use code coverage as a guiding reference of how much of your production code base is under test.
Build time should always be FAST. If your build time is slow, your unit testing skills are lagging. Find the slow tests and improve them (decouple pro...
Why does NULL = NULL evaluate to false in SQL server
...nd C. J. Date:
6 NULLs: Missing Data in SQL (185)
In their book A Guide to Sybase and SQL Server, David McGoveran
and C. J. Date said: “It is this writer’s opinion than NULLs, at least as
currently defined and implemented in SQL, are far more trouble than
they are worth and should...
How do I return the response from an asynchronous call?
... still having a hard time understanding this read the AJAX getting started guide at MDN.
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SQL JOIN and different types of JOINs
...ntly written an article on the topic: A Probably Incomplete, Comprehensive Guide to the Many Different Ways to JOIN Tables in SQL, which I'll summarise here.
First and foremost: JOINs are cartesian products
This is why Venn diagrams explain them so inaccurately, because a JOIN creates a cartesian ...
Should a Netflix or Twitter-style web service use REST or SOAP? [closed]
...f you truly commit to the hypermedia constraint, then every URL could be a GUID and the client developer would lose nothing in readability.
The fact that URIs should be opaque to the client is one of the most key things when developing REST systems. Readable URLs are convenient for the server devel...
How can I troubleshoot my Perl CGI script?
...ed on Perlmonks as Troubleshooting Perl CGI Scripts. It is not a complete guide to every
problem that you may encounter, nor a tutorial on bug squashing. It
is just the culmination of my experience debugging CGI scripts for twenty (plus!) years. This page seems to have had many different homes, a...
RegEx for matching UK Postcodes
...full address rather than just postcodes and comes with its own Programmers Guide. The Open Data User Group (ODUG) is currently lobbying to have PAF released for free, here's a description of their position.
Lastly, there's AddressBase. This is a collaboration between Ordnance Survey, Local Authoriti...
What are the basic rules and idioms for operator overloading?
...as overloaded stream input and output operators in most applications. For guidance overloading as bit-manipulation operators, see the section below on Binary Arithmetic Operators. For implementing your own custom format and parsing logic when your object is used with iostreams, continue.
The stre...
C# Object Pooling Pattern implementation
...the pool. Regardless this post at this point is pretty much the definitive guide on object pooling in C# 3.0, I'm looking forward to see if anyone else has more comments on this.
– Chris Marisic
Apr 4 '10 at 0:01
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