Scala – How much should I worry about scaling?

scalabilityweb-applications

I am planning to start a new web application from scratch, but I wonder if I am not obsessing too much over scalability. Should I worry about this since the beginning or is it better to focus on the application itself first and scale later if I happen to be really successful?

Best Answer

Generally speaking, its premature and distracting to worry about scalability to begin with for several reasons.

Solve a problem when you have a problem.

Worrying about scalability too early tends to delay you doing something for not much gain. Often you don't really understand the performance implications until something is used in the real world.

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R – Where should IsChanged functionality be handled

I handle it in the DAL - it has the original values in it so no need to go to the database.

Javascript – How to create a file in memory for user to download, but not through server

Simple solution for HTML5 ready browsers...

function download(filename, text) {
  var element = document.createElement('a');
  element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
  element.setAttribute('download', filename);

  element.style.display = 'none';
  document.body.appendChild(element);

  element.click();

  document.body.removeChild(element);
}

form * {
  display: block;
  margin: 10px;
}

<form onsubmit="download(this['name'].value, this['text'].value)">
  <input type="text" name="name" value="test.txt">
  <textarea name="text"></textarea>
  <input type="submit" value="Download">
</form>

Usage

download('test.txt', 'Hello world!');

Best Answer

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