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Recursion or Iteration?
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It is possible that recursion will be more expensive, depending on if the recursive function is tail recursive (the last line is recursive call). Tail recursion should be recognized by the compiler and optimized to its iterative counterpart (while maintaining th...
Can I extend a class using more than 1 class in PHP?
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How to merge two arrays in JavaScript and de-duplicate items
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Html.Partial vs Html.RenderPartial & Html.Action vs Html.RenderAction
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Html.Partial() was created to have a more fluent syntax with Razor. As @Vlad said, Html.RenderPartial() is more efficient.
– Tsahi Asher
Apr 10 '14 at 11:25
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How do I disable a Pylint warning?
I'm trying to disable warning C0321 ("more than one statement on a single line" -- I often put if statements with short single-line results on the same line), in Pylint 0.21.1 (if it matters: astng 0.20.1, common 0.50.3, Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56)).
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SQL “select where not in subquery” returns no results
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These articles in my blog describe the differences between the methods in more detail:
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: SQL Server
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: PostgreSQL
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: Oracle
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS...
What is the garbage collector in Java?
...hich gets rid of objects which are not being used by a Java application anymore. It is a form of automatic memory management.
When a typical Java application is running, it is creating new objects, such as Strings and Files, but after a certain time, those objects are not used anymore. For example,...
Is there any significant difference between using if/else and switch-case in C#?
... to each string constant in IFs.
To sum it up, if number of conditions is more than 5 or so, prefer SWITCH over IF, otherwise use whatever looks better.
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Java HashMap performance optimization / alternative
... multiplications), and the distribution of its hash codes will probably be more even.
– jcsahnwaldt Reinstate Monica
Feb 17 '18 at 18:49
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Equation for testing if a point is inside a circle
...the radius. I realize that's not optimal, but as your answer is formatted more like an equation than code perhaps it makes more sense? Just a suggestion.
– William Morrison
Mar 5 '13 at 18:13
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