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What does O(log n) mean exactly?
...gorithm performance. Some grown faster as the input n grows. The following table demonstrates said growth numerically. In the table below think of log(n) as the ceiling of log_2.
Simple Code Examples Of Various Big O Categories:
O(1) - Constant Time Examples:
Algorithm 1:
Algorithm 1 prints...
Is there a software-engineering methodology for functional programming? [closed]
... bases of what it takes to build real systems, while maintaining minimal mutable state in a highly controlled fashion. I'm toying with building Pong and Tetris in a FRelP style (excuse the strange initialism, but there is already another more popular FRP: Functional Reactive Programming).
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When to use a Content Provider
... best thing about it is that you can customize the contentproviders for suitable URIs.
Here's a scenario where you may have 5 tables in your database, but you need to join a few of them in certain orders before using them. And make a content URI for each of these joins. You could then each use thes...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
...tabase entity and then pass the returned object to be persisted in another table.
5 Answers
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What does “S3 methods” mean in R?
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method calls look like canvas$drawRect("blue"). RC objects are also
mutable: they don’t use R’s usual copy-on-modify semantics, but are
modified in place. This makes them harder to reason about, but allows
them to solve problems that are difficult to solve with S3 or S4.
There...
What are the most common font-sizes for H1-H6 tags [closed]
...d depend on the browser's default stylesheet. You can view an (unofficial) table of CSS2.1 User Agent stylesheet defaults here.
Based on the page listed above, the default sizes look something like this:
IE7 IE8 FF2 FF3 Opera Safari 3.1
H1 24pt 2em 32px ...
SQL Server - inner join when updating [duplicate]
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this gives me ERROR: table name "ProductReviews" specified more than once in postgresql
– Johhan Santana
Apr 26 '17 at 16:54
1...
ffmpeg - Converting MOV files to MP4 [closed]
...a container packages multiple video and audio streams, adds a header and a table-of-contents. The Quicktime (mov) and MPEG (mp4) container work quite different, technically. If you just rename a Quicktime file into mp4, you pretend it to be a MPEG video, but it still remains a Quicktime container. P...
When to use Storyboard and when to use XIBs
... need XIBs: In both of my Storyboard projects I had to use XIBs for custom table cells.
I think Storyboards are a step in the right direction for UI implementation and hope Apple will extend them in future iOS versions. They need to resolve the "single file" issue though, otherwise they won't be a...
What are the pros and cons of performing calculations in sql vs. in your application
shopkeeper table has following fields:
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