Archive for the 'programming' Category
Java can be quite silly
So, I’m writing this constructor here:
public Square(double x, double y, double size, double gap) {
…
}
Then I think, really, these should be BigDecimals, because I’m modeling a rectangular area on a grid, which could be of any precision and being maths stuff has to be precise, so I change it to:
public [...]
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Tags: BigDecimal, java, programming
The new (well, not that new now) Windows search is way annoying, so I thought may be I could use Powershell for searching. This is how to do it (best do it on one line):
foreach ($file in get-Childitem . -include *svn* -force -recurse)
{ $file.fullname }
The -force is to make it include the [...]
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Tags: Powershell, Windows
I had this funny little Scala actor related bug today. Imagine you want to process a few things in parallel. So you go:
val processor = self
jobs.foreach { job =>
actor {
processor ! (job.id, job.run)
}
}
// Merge results
for (i <- 1 to jobs.size) {
self.receiveWithin(1000) {
case (jobId:Int, result:JobResult) => mergeResult(result)
}
}
All good. Then you realise that one or [...]
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Tags: programming, scala
How often have you done something like this? -
public Result calculate() {
long start = System.currentTimeMillis();
Result myResult = doSomethingLongAndComplex();
log.debug(“Crunching took ” + (System.currentTimeMillis() – start) + “ms.”);
return myResult;
}
It’s kind of ugly when you do it a few times and it does clutter the code. The need for defining an explicit myResult var is even more annoying. So, today, I added…
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Tags: clean code, java, logging, programming, scala
Logging in Java can be messy. Especially the dreaded isDebugEnabled. Not so in Scala.
Filed under: programming | 2 Comments
Tags: java, logging, programming, scala
