problem about reduce-Collection of common programming errors


  • Nate-
    javascript object underscore.js reduce
    I have an array like the following.[ { sku: ‘TEA-BLCK’, price: ’10’, quantity: ‘1’ },{ sku: ‘TEA-ELGY’, price: ’10’, quantity: ‘1’ },{ sku: ‘TEA-CHAI’, price: ’10’, quantity: ‘1’ },{ sku: ‘TEA-GREN’, price: ’10’, quantity: ‘1’ },{ sku: ‘TEA-ELGY’, price: ’10’, quanti

  • Hellnar
    python attributes reduce getattr
    I used to use reduce and getattr functions for calling attributes in a chain way like “thisattr.thatattr.blaattar” IE:reduce(getattr, ‘x

  • James
    ruby reduce
    I’m counting the number of times an item appears in an Enumeration.irb(main):003:0> (1..3).reduce(0) {|sum, p| sum += 1 if p == 1} => nil irb(main):004:0> (1..3).

  • al-dr
    php load reduce
    good evening, i have these five functions that i use to reduce server load :// unset all vars function unset_all_vars() {$vars = func_get_args();foreach($vars[0] as $key => $val){unset($GLOBALS[$key]);}return serialize($vars[0]); } unset_all_vars(get_defined_vars()); // unset all const function unset_all_const() {$vars =

  • box

  • sprugman
    javascript reduce
    I’ve got an object like:{a : ‘foo’,b : ‘bar’,c : ‘foo’,d : ‘baz’,e : ‘bar’ }I want to reduce the duplicates like:{ac : ‘foo’,be : ‘bar’,d : ‘baz’

  • Pavel S.

  • Dustin Getz

  • Mr E

  • Emre Sevinç

Originally posted 2013-11-09 23:21:16.