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Why is exception handling bad?
... possibly corrupted object.
This example may seem stupid (ok, I had to stretch myself a bit to construct one :-)), but, the takeaway is that if a programmer isn't constantly thinking of exceptions, and making sure that every permutation of state gets rolled back whenever there are throws, you get i...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...nefits vis a vis dynamic languages and a lack of a need for tagging types, etc.). Its schema uses JSON which makes supporting Avro in a new language a bit easier to manage if there's already a JSON library. Again, as with most wheel-reinventing protocol description systems, Avro is also not standa...
How should I have explained the difference between an Interface and an Abstract class?
...yment class. Payment can be made in many ways, such as PayPal, credit card etc. So we normally take Payment as our interface which contains a makePayment() method and CreditCard and PayPal are the two implementation classes.
public interface Payment
{
void makePayment();//by default it is a abs...
What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA
...thods like insert, update, delete and in table data gateway you will find getcustomerbyId, getcustomerbyName, etc.
Data transfer object differs from the above two patterns, mainly because it is a distribution pattern and not a data source pattern as above two patterns. Use it mainly when you are wo...
Where to use EJB 3.1 and CDI?
... to the container who will send the call through interceptors, decorators, etc. as well as take care of any transaction or security checks. Once all that is done, the call finally goes to the real object and the result is passed back through the proxy to the caller.
The difference only comes in ho...
Why are mutable structs “evil”?
...w and then - especially with your Business Model, where you want streaming etc. to work smoothly with existing solutions. I wrote an article on how to work with mutable AND immutable data, solving most issues around mutability (I hope): rickyhelgesson.wordpress.com/2012/07/17/…
...
How to set a Default Route (To an Area) in MVC
...or the simple purpose of switching your view engine (i.e. to Spark, NHaml, etc.). In this case, it's not the View-creation logic we need to override, but the FindPartialView and FindView methods in the VirtualPathProviderViewEngine class.
You can thank your lucky stars that these methods are in fac...
How can I view the source code for a function?
..., what type(s) of objects its return type is, whether and how it recurses, etc.
To redirect to a separate file (so you can bring up the code in your favorite IDE/editor/process it with grep/etc.):
capture.output(getAnywhere('rfcv'), file='source_rfcv.r')
...
Programmer Puzzle: Encoding a chess board state throughout a game
...We could simply store the the text of the move here (“e4”, “Bxb5”, etc). Including a terminating byte you’re looking at about 6 bytes (48 bits) per move (worst case). That’s not particularly efficient.
The second thing to try is to store the starting location (6 bits) and end location (...
Performance of FOR vs FOREACH in PHP
...is not the only criteria to choose what to adopt. especially in such a farfetched case. Frankly, you're just wasting your time
– Your Common Sense
Aug 7 '10 at 14:31
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