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Can a constructor in Java be private?
...ou can have one constructor that takes lots of different options that is really an implementation detail, so you make it private, but then your remaining constructors delegate to it.
As an example of delegating constructors, the following class allows you to save a value and a type, but it only let...
Is REST DELETE really idempotent?
...ce refers to the state of the system after the request has completed
In all cases (apart from the error issues - see below), the account no longer exists.
From here
"Methods can also have the property of
"idempotence" in that (aside from
error or expiration issues) the
side-effects of...
Purpose of memory alignment
...
It's a limitation of many underlying processors. It can usually be worked around by doing 4 inefficient single byte fetches rather than one efficient word fetch, but many language specifiers decided it would be easier just to outlaw them and force everything to be aligned.
There is ...
How Do I Fetch All Old Items on an RSS Feed?
...
RSS/Atom feeds does not allow for historic information to be retrieved. It is up to the publisher of the feed to provide it if they want such as in the blogger or wordpress examples you gave above.
The only reason that Google Reader has more inform...
Accessing dict keys like an attribute?
...__init__(*args, **kwargs)
self.__dict__ = self
Some pros:
It actually works!
No dictionary class methods are shadowed (e.g. .keys() work just fine. Unless - of course - you assign some value to them, see below)
Attributes and items are always in sync
Trying to access non-existent key as an...
Difference between HBase and Hadoop/HDFS
...
Hadoop is basically 3 things, a FS (Hadoop Distributed File System), a computation framework (MapReduce) and a management bridge (Yet Another Resource Negotiator). HDFS allows you store huge amounts of data in a distributed (provides faster...
Is the sizeof(some pointer) always equal to four?
... Pointers to member functions are a real pain. It is unfortunate that not all compilers does it like the Digital Mars C++ compiler, which return 4 in all cases.
– dalle
Feb 18 '09 at 15:21
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Fatal Error: Allowed Memory Size of 134217728 Bytes Exhausted (CodeIgniter + XML-RPC)
I have a bunch of client point of sale (POS) systems that periodically send new sales data to one centralized database, which stores the data into one big database for report generation.
...
ASP.NET MVC Custom Error Handling Application_Error Global.asax?
...errors in my MVC application. Currently in my project I have a controller called Error with action methods HTTPError404() , HTTPError500() , and General() . They all accept a string parameter error . Using or modifying the code below.
What is the best/proper way to pass the data to the Error ...
Pagination on a list using ng-repeat
...u have not too much data, you can definitely do pagination by just storing all the data in the browser and filtering what's visible at a certain time.
Here's a simple pagination example: http://jsfiddle.net/2ZzZB/56/
That example was on the list of fiddles on the angular.js github wiki, which sh...