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Questions tagged [optimization]

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3
votes
0answers
25 views

Which community to post a question on the design and implementation of Automatic Differentiation

I am looking to post a question (composed of 4 smaller and related questions) pertaining to the theory, implementation and definition of an algorithm to differentiate mathematical expressions, namely, ...
13
votes
1answer
165 views

Information about database indexes in the Data Explorer

Some days ago I discovered the Stack Exchange Data Explorer (SEDE) which provides already lots of interesting queries out of the box (thanks to the contributors). After a while I noticed that some of ...
-4
votes
1answer
116 views

How many characters in the question title will be optimal? [closed]

This question is inspired from this: Length limit for question titles that have nothing to do with Unicorns (we don't really need that many characters just for the title, do we? Isn't that ...
5
votes
3answers
121 views

Should beginner questions be offered optimized code?

So, regarding this question. I answered that to append to a JTextArea, you simply don't use the setText() method, you use append(). As the OP was obviously not a skilled programmer, I thought a ...
2
votes
0answers
66 views

Background image on the stackexchange site is quite big

Is there a reason the background image bg-hatchlines.png on the main stackexchange site is 148x38 in size? It looks like it could be 5x38 at a minimum or at least half the size, keeping the same ...
5
votes
1answer
165 views

Does Stack Overflow do any web optimization (AB or MVT)?

Does Stack Overflow do any optimization (AB testing or MVT)? If so, what has been tested/discovered? Anything interesting? And using what software? perhaps to find out how to get more registrations, ...
1
vote
0answers
75 views

Same picture stored twice on sstatic.net

Currently any question on Programmers SE (this for example) page source contains this in the <head>: <link rel="apple-touch-icon" href="http://cdn.sstatic.net/programmers/img/apple-touch-...
-9
votes
1answer
221 views

Multiple useless CRLFs on pages

Below is an example of how a typical Stack Exchange site page source looks like. That's this page but the results are more or less consistent across pages. There're completely useless linefeeds ...
5
votes
0answers
46 views

Would it be a good idea not to reload the tags tooltips on Stackoverflow?

Let's say I look at a tooltip: If I look at it again, it will load again, even if I'm looking at the same one: Wouldn't it be better for the user and the server to keep this loaded div somewhere and ...
4
votes
1answer
124 views

Optional short answer view for questions with many answers

In order to get an overview of the answers to a question, as a reader of "Best Practises", I want an option to see only the first line of every answer with a link to it. Currently I read the answers ...
3
votes
3answers
265 views

iPhone/Mobile app and mobile-site

Are there any news about an official iPhone app or a Mobile optimized website for SO? I love SO and I'd like to check my question status and to manage my personal informations. Is there someone ...
0
votes
1answer
2k views

What SQL query does stackoverflow use to retrieve a question and all its answers in order?

According to this, stackoverflow uses one table for both questions and answers. This design seems somewhat unusual. What SQL query does stackoverflow use to retrieve question #123456 and all its ...
5
votes
2answers
329 views

Are Stack Exchange sites too CPU-intensive?

I have a not-so-old configuration: Celeron 2 GHz, Windows XP, Firefox 3.6, broadband at least 1 Mbit/s. I always liked how the "classic" (Stack Overflow, Super User, etc.) site worked, but the newer ...
1
vote
3answers
123 views

Why is it so difficult for a question of optimization to be answered?

Except from questions why this is faster when somebody asks for a global optimization why is it so difficult for one to answer except from providing links? My personal point of view: That's because ...
3
votes
1answer
398 views

How is stack overflow optimized for Google? [duplicate]

Possible Duplicate: SEO in stackoverflow Related question: I'm just going to throw this out there, but Google indexes Stack Overflow really quickly So, I was watching a presentation about SO ...
11
votes
4answers
474 views

Behind the curtain

I'd like to read more about design decisions, optimizations, scaling techniques applied during development.