mainroach

from google.appengine.ext import ndb
# a global variable
gCDNServer = None
def getCDN():
	global gCDNServer
	if gCDNServer==None:
		gCDNServer = Settings.query(Settings.name == "gCDNServer").value
	return gCDNServer

mainroach

from google.appengine.ext import ndb
class Settings(ndb.Model):
    # …...
# a global variable
gCDNServer = Settings.query(Settings.name=="gCDNServer").value

mainroach

def get(self):
        with Trace("root", cloud_trace_context=self.request.headers.get('X-Cloud-Trace-Context')) as root:
          self.response.headers.add_header('Content-Type',"text/plain")
          time.sleep(0.1)
          with root.span("slow"):
            time.sleep(0.1)
          self.response.write("You're traced!\n")

mainroach

from fractions import Fraction
def pascDiagFast(row,length):

	#compute the fractions of this diag
	fracs=[1]*(length)
	for i in range(length-1):
		num = i+1
		denom = row+1+i
		fracs[i] = Fraction(num,denom)

mainroach

def pascDiag(row,length):
	vals=[0]*length
	for i in range(length):
		vals[i]=pascalIndexInRowFast(row+i,i)
	return vals

mainroach

def pascalRowFast(rowIndex):
	row=[0]*(rowIndex+1)
	row[0] = row[rowIndex] = 1
	for i in range(0, rowIndex>>1):
		x = row[ i ] * (rowIndex - i) / (i + 1)

		row[ i + 1 ]= row[ rowIndex - 1 - i ] = x
	return row

mainroach

def pascalRow(n):
	line=[1]
	for k in range(n):
		line.append(line[k] * (n-k) / (k+1))
	return line

mainroach

def pascalIndexInRowFast(row,index):
	lastVal=1
	halfRow = (row>>1)

	#early out, is index < half? if so, compute to that instead
	if index > halfRow:		
		index = halfRow - (halfRow - index)

	for i in range(0, index):
		lastVal = lastVal * (row - i) / (i + 1)

mainroach

def pascalIndexInRow(row,index):
	tb = math.factorial(row)/math.factorial(row-index)
	tb = tb / math.factorial(index)
	return tb

mainroach

Keybase proof

I hereby claim:

• I am mainroach on github.
• I am duhroach (https://keybase.io/duhroach) on keybase.
• I have a public key whose fingerprint is 9B12 8064 C6D2 676D ACD9 3557 B1B7 E9A8 07AC 825A

To claim this, I am signing this object: