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What are best practices that you use when writing Objective-C and Cocoa? [closed]
...precision arithmetic as opposed to single precision. References:
Double vs float on the iPhone
iPhone/iPad double precision math
On the older phones supposedly calculations operate at the same speed but you can have more single precision components in registers than doubles, so for many calcula...
what is the difference between a portlet and a servlet?
...cle, configuration, deployment, etc.
The main difference between portlet vs. servlet could be that while servlet always responds to single type of action - request, portlet (due to nature of its life cycle and stronger container bindings) has to respond to two types of actions: render and request....
Why '&&' and not '&'?
...
Logical operator (|| and &&) vs. bitwise operator (| and &).
The most crucial difference between a logical operator and bitwise operator is that a logical operator takes two booleans and produces a boolean while a bitwise operator takes two integers...
Difference between __str__ and __repr__?
...ng debuggers). I'd just like to add a link to this other Q&A about str vs unicode in Python 3 which could be relevant to the discussion for people who have made the switch.
– ThatAintWorking
Mar 23 '15 at 21:04
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When to use volatile with multi threading?
... said is correct, end of story. It has nothing to do with application code vs library code, or "ordinary" vs "god-like omniscient programmers" for that matter. volatile is unnecessary and useless for synchronization between threads. Threading libraries can't be implemented in terms of volatile; it h...
How is “=default” different from “{}” for default constructor and destructor?
..."Then the =default solution will compile" No it will not. Just tested in vs.
– Minimus Heximus
Jan 31 '19 at 11:23
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How to handle many-to-many relationships in a RESTful API?
...ho is on team 1
# or simply checking whether player 3 is on that team (200 vs. 404)
GET /teams/1/players/3
# getting player 3 who is also on team 3
GET /teams/3/players/3
# adding player 3 also to team 2
PUT /teams/2/players/3
# getting all teams of player 3
GET /players/3/teams
# withdraw playe...
What is the difference between quiet NaN and signaling NaN?
...ry to identify the encoding as a NaN
and which determines its kind (sNaN vs. qNaN). The remaining bits, which are in the trailing significand
field, encode the payload, which might be diagnostic information (see above).
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All binary NaN bit strings have all the bits of the biased exponen...
REST API 404: Bad URI, or Missing Resource?
...ot exist. Don't return 200 with an empty body.
This is akin to undefined vs empty string (e.g. "") in programming. While very similar, there is definitely a difference.
404 means that nothing exists at that URI (like an undefined variable in programming). Returning 200 with an empty body means ...
How fast is D compared to C++?
...
@CyberShadow: can we think of this as a sort of a debug vs release build?
– Francesco
Feb 28 '11 at 15:10
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