ssimeonov

# Memory snapshot analyzer which parses the /proc file system on *nix
#
# Example (run in Heroku console):
#
#    ms = MemorySnapshot.new
#    1.upto(10000).map { |i| Array.new(i) }; nil
#    ms.snapshot!; nil
#    ms.diff 10
#    => {"lib/ld-2.11.1.so"=>156, "heap"=>2068, "all"=>2224}
#

skranz

# Helper functions that allow string arguments for  dplyr's data modification functions like arrange, select etc. 
# Author: Sebastian Kranz

# Examples are below

#' Modified version of dplyr's filter that uses string arguments
#' @export
s_filter = function(.data, ...) {
  eval.string.dplyr(.data,"filter", ...)
}

bjhess

Navigation:

cmd-p             Goto Anything ('@' for functions, ':' for line number)
cmd-r             Function finder
ctl-g             Goto line number
cmd-sft-p         Command palette
cmd-sft-f         Find in Files
cmd-opt-r         Toggle regex when finding
cmd-opt-#         Columns
ctr-#             Switch columns

clintel

Fenced code blocks inside ordered and unordered lists

1. This is a numbered list.

2. I'm going to include a fenced code block as part of this bullet:

   Code
   More Code
   

hest

def get_count(q):
    count_q = q.statement.with_only_columns([func.count()]).order_by(None)
    count = q.session.execute(count_q).scalar()
    return count

q = session.query(TestModel).filter(...).order_by(...)

# Slow: SELECT COUNT(*) FROM (SELECT ... FROM TestModel WHERE ...) ...
print q.count()