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What's wrong with nullable columns in composite primary keys?
...of fields:
CREATE TABLE module
(name varchar(20) PRIMARY KEY,
description text DEFAULT '' NOT NULL);
CREATE TABLE version
(module varchar(20) REFERENCES module,
major integer NOT NULL,
minor integer DEFAULT 0 NOT NULL,
patch integer DEFAULT 0 NOT NULL,...
WSDL vs REST Pros and Cons
...ndant risk that the humans read it wrong. Since WSDL is a machine-readable description of the service, it's much harder to "read it wrong".
Just a note: since this post, I have had the opportunity to work with a moderately complicated REST service. I did, indeed, wish for a WSDL or the equivalent...
JSON and XML comparison [closed]
... notation and has the same basic data types as JavaScript.
JSON Schema for description and datatype and structure validation
JsonPath for extracting information in deeply nested structures
Con:
Simple syntax, only a handful of different data types are supported.
No support for comments.
XML
...
What is the difference between i++ and ++i?
...the operational semantics give the same results as the precise and correct description. First, I don't see any compelling value in getting the right answers through incorrect reasoning, and second, yes, I have seen production code that gets exactly this sort of thing wrong. I get probably half a doz...
How to get current CPU and RAM usage in Python?
... 'Description',
'IODataBytesPersec',
'IODataOperationsPersec',
...
How to manage REST API versioning with spring?
...or : Manos Papantonakos on 19/8/2016.
*/
@Controller
@Api(value = "user", description = "Operations about users")
public class UserController {
/**
* Return the user.
*
* @return the user
*/
@ResponseBody
@RequestMapping(method = RequestMethod.GET, value = "/api/v1/...
REST API 404: Bad URI, or Missing Resource?
... would be to send a 204 - No Contentresponse. This is compliant with w3c's description *The server has fulfilled the request but does not need to return an entity-body, and might want to return updated metainformation.*1 The confusion, in my opinion is caused by the Wikipedia entry stating 204 No Co...
Why is the .bss segment required?
...e) can be defined in .bss and add almost nothing
(about 50 bytes for the description) to the executable file size.
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When is memoization automatic in GHC Haskell?
..., with certain optimization options, will share more values than the above description indicates. This can be problematic in some situations. For example, consider the function
f = \x -> let y = [1..30000000] in foldl' (+) 0 (y ++ [x])
GHC might notice that y does not depend on x and rewrite...
How to design a database for User Defined Fields?
...ant of #2). This answer is specifically tailored to this situation and the description of the data distribution and access patterns described.
Pros:
Because you indicate that some UDFs
have values for a small portion of
the overall data set, a separate
table would give you the best
performance be...