Comments on: Lambda at Work http://push.cx/2006/lambda-at-work A traveling geek's blog on development, games, and the web Tue, 10 Apr 2012 23:41:09 +0000 hourly 1 http://wordpress.org/?v=3.3.2 By: Peter Harkins http://push.cx/2006/lambda-at-work/comment-page-1#comment-63 Peter Harkins Fri, 31 Mar 2006 15:33:06 +0000 http://push.cx/2006/lambda-at-work#comment-63 That's a nice way to solve the example problem, thanks for sharing it. That’s a nice way to solve the example problem, thanks for sharing it.

]]> By: Jamie Turner http://push.cx/2006/lambda-at-work/comment-page-1#comment-59 Jamie Turner Wed, 29 Mar 2006 01:35:26 +0000 http://push.cx/2006/lambda-at-work#comment-59 I realize this is a post specifically about lambda, but just as a comment on best practices, using the operator module is much more efficient in sort(), map(), filter(), etc--that lambda getting invoked many, many times on big lists is slow. <code lang="python"> import operator list.sort(key=operator.itemgetter(1)) </code> As a general rule, if at all possible, I try to use the operator module inside those map()-like things; but having the flexibility of an inline lambda where a builtin won't do the trick is very nice indeed. I realize this is a post specifically about lambda, but just as a comment on best practices, using the operator module is much more efficient in sort(), map(), filter(), etc–that lambda getting invoked many, many times on big lists is slow.

 
import operator
list.sort(key=operator.itemgetter(1))

As a general rule, if at all possible, I try to use the operator module inside those map()-like things; but having the flexibility of an inline lambda where a builtin won’t do the trick is very nice indeed.

]]> By: McKay Salisbury http://push.cx/2006/lambda-at-work/comment-page-1#comment-58 McKay Salisbury Wed, 29 Mar 2006 00:39:09 +0000 http://push.cx/2006/lambda-at-work#comment-58 Gah! What happened to the old push.cx!! I want those old posts back!!! I wanted to look up something that you had there before, to link to a friend? What am I supposed to do? Gah!

What happened to the old push.cx!!

I want those old posts back!!!

I wanted to look up something that you had there before, to link to a friend? What am I supposed to do?

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