Tutorial by Topics: perform

Profiling code is a way to avoid the dreaded practice of "premature optimization", by focusing the developer on those parts of the code that actually justify optimization efforts. MATLAB documentation article titled "Measure Performance of Your Program".

JavaScript, like any language, requires us to be judicious in the use of certain language features. Overuse of some features can decrease performance, while some techniques can be used to increase performance. Remember that premature optimization is the root of all evil. Write clear, correct c...

It should be noted that Meteor is simply Javascript and Node.js. Yes, it's a very specific implementation of those two technologies, and has it's own unique ecosystem, and leverages isomorphic APIs and a JSON datastore to achieve some truly amazing results. But, at the end of the day, Meteor is a ...

Icon Fonts are like normal font types that have symbols instead of letters. It can be used in your application with at-most ease. They are: Flexible Scalable Vectors Fast Processable Light Weight Accessible Effect on Size Exporting an image in various sizes for android devices would c...

This section provides an overview of what performance is, and why a developer might want to use it. It should also mention any large subjects within performance, and link out to the related topics. Since the Documentation for performance is new, you may need to create initial versions of those r...

Don't use DISTINCT and GROUP BY in the same SELECT. Don't paginate via OFFSET, "remember where you left off". WHERE (a,b) = (22,33) does not optimize at all. Explicitly say ALL or DISTINCT after UNION -- it reminds you pick between the faster ALL or the slower DISTINCT. ...

This topic describes a number of "pitfalls" (i.e. mistakes that novice java programmers make) that relate to Java application performance. This topic describes some "micro" Java coding practices that are inefficient. In most cases, the inefficiencies are relatively small, ...