| import torch as th | |
| class NLL_OHEM(th.nn.NLLLoss): | |
| """ Online hard example mining. | |
| Needs input from nn.LogSotmax() """ | |
| def __init__(self, ratio): | |
| super(NLL_OHEM, self).__init__(None, True) | |
| self.ratio = ratio |
| class ChatApplication { | |
| login (username, password) {}, | |
| logout (user) {}, | |
| joinChatRoom(roomId, user) {} | |
| sendMessage(message, roomId, user) {} | |
| sendPrivateMessage(message, receiverId, user) {} |
Picking the right architecture = Picking the right battles + Managing trade-offs
This gist is part of a blog post. Check it out at:
http://jasonrudolph.com/blog/2011/08/09/programming-achievements-how-to-level-up-as-a-developer
L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns
Compress 1K bytes with Zippy ............. 3,000 ns = 3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns = 20 µs
SSD random read ........................ 150,000 ns = 150 µs
Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs
| """ | |
| This file contains code that, when run on Python 2.7.5 or earlier, creates | |
| a string that should not exist: u'\Udeadbeef'. That's a single "character" | |
| that's illegal in Python because it's outside the valid Unicode range. | |
| It then uses it to crash various things in the Python standard library and | |
| corrupt a database. | |
| On Python 3... well, this file is full of syntax errors on Python 3. But | |
| if you were to change the print statements and byte literals and stuff: |
Google is the ultimate tool if you want to learn something new, but this link-fest is made up of some of my favorite bookmarks on JavaScript; there's a lot of reading to do!
Also, feel free to email me at xbrxhxmxlrxjhi@gmail.com (replace x's with a's) if you have any questions.
JavaScript