uunnxx

Ruby and Python profilers

CPU profilers

Python

• cProfile
• https://github.com/bdarnell/plop (blog post)
• https://github.com/rkern/line_profiler
• https://github.com/uber/pyflame (blog post)

uunnxx

Keybase proof

I hereby claim:

• I am uunnxx on github.
• I am uunnxx (https://keybase.io/uunnxx) on keybase.
• I have a public key ASAHjTIkQmtkdWD49dkFpQpHCC9fHGjU-Lsl0hiSU3X6ggo

To claim this, I am signing this object:

uunnxx

Big-O Time Complexities for Elixir data structures

Map [1]

Operation	Time Complexity
Access	O(log n)
Search	O(log n)
Insertion	O(n) for < 32 elements, O(log n) for >= 32 elements [2]
Deletion	O(n) for < 32 elements, O(log n) for >= 32 elements

uunnxx

# RSpec 2.0 syntax Cheet Sheet by http://ApproachE.com

# defining spec within a module will automatically pick Player::MovieList as a 'subject' (see below)
module Player
	describe MovieList, "with optional description" do
		  
	  it "is pending example, so that you can write ones quickly"
	  
	  it "is already working example that we want to suspend from failing temporarily" do
		pending("working on another feature that temporarily breaks this one")

uunnxx

x64 NASM cheat sheet

Registers

	64 bit	32 bit	16 bit	8 bit
A (accumulator)	RAX	EAX	AX	AL
B (base, addressing)	RBX	EBX	BX	BL
C (counter, iterations)	RCX	ECX	CX	CL
D (data)	RDX	EDX	DX	DL

uunnxx

Keybase proof

I hereby claim:

• I am uunnxx on github.
• I am uunnxx (https://keybase.io/uunnxx) on keybase.
• I have a public key whose fingerprint is 924D 5CF8 2915 98DB 28FC 020F 9C8B 4591 700E 6532

To claim this, I am signing this object:

uunnxx

One-liners

Reverse every line:

Input file:

$ cat foo
qwe
123

bar