prafulliu

http://hi.baidu.com/zhmsong/blog/item/7cb17eeaddca8adad539c977.html

:s/XXX/YYY/g
其中XXX是需要替换的字符串,YYY是替换后的字符串
以上这句只对当前行进行替换,如果需要进行全局替换,则要:
%s/XXX/YYY/g

如果需要对指定部分进行替换,可以用V进入visual模式,再进行
:s/XXX/YYY/g
或者可以指定行数对指定范围进行替换:

suziewong

github的多人协作

1. github上你可以用别人的现成的代码 直接 git clone 即可了

2. 然后你也想改代码或者贡献代码咋办？

Fork

vunb

ffmpeg -i input.mp3 -acodec pcm_s16le -ac 1 -ar 16000 output.wav

# To convert all mp3 files in a directory in Linux:

for f in *.mp3; do ffmpeg -i "$f" -acodec pcm_s16le -ac 1 -ar 16000 "${f%.mp3}.wav"; done

# Or Windows:

for /r %i in (*) do ffmpeg -i %i -acodec pcm_s16le -ac 1 -ar 16000 %i.wav

kastnerkyle

# (C) Kyle Kastner, June 2014
# License: BSD 3 clause

import scipy.stats as st
import numpy as np

class gmmhmm:
    #This class converted with modifications from https://code.google.com/p/hmm-speech-recognition/source/browse/Word.m
    def __init__(self, n_states):
        self.n_states = n_states

garystafford

###############################################################################
# Helpful Docker commands and code snippets
###############################################################################

### CONTAINERS ###
docker stop $(docker ps -a -q) #stop ALL containers
docker rm -f $(docker ps -a -q) # remove ALL containers
docker rm -f $(sudo docker ps --before="container_id_here" -q) # can also filter

# exec into container

tuxfight3r

Bash Shortcuts

Moving

command	description
ctrl + a	Goto BEGINNING of command line

karpathy

"""
Minimal character-level Vanilla RNN model. Written by Andrej Karpathy (@karpathy)
BSD License
"""
import numpy as np

# data I/O
data = open('input.txt', 'r').read() # should be simple plain text file
chars = list(set(data))
data_size, vocab_size = len(data), len(chars)

vsooda

"""
This is a batched LSTM forward and backward pass
the comment is writen by karpathy, except the comment start with #sooda:
#sooda: will add some comment corresponding the equtions (ref: lstm.png)
"""
import numpy as np
import code

class LSTM:
  

muink

删除Chrome地址栏记录中不需要的网址(访问历史)

Chrome的地址栏自动补齐功能提供了非常方便的地址预测功能 浏览器可以通过用户当前输入的字符来与用户的访问历史与书签匹配 然后在下拉栏中为用提供准确的补齐方案排名, 提高用户访问效率

在大部分情况下, 这个功能是非常好用的 但是有时, 出于某些原因, 用户需要移除某个记录(网址无法访问,网址更换域名等) Chrome提供了组合键Shift+Delete来删除地址栏下拉记录中的某个网址

cloverstd

yum install -y boost boost-devel
yum install -y make gcc gcc-c++ kernel-devel python-devel
wget https://github.com/arvidn/libtorrent/releases/download/libtorrent-1_0_10/libtorrent-rasterbar-1.0.10.tar.gz
tar zxvf libtorrent-rasterbar-1.0.10.tar.gz
cd libtorrent-rasterbar-1.0.10.tar.gz
./configure --disable-debug --with-boost-libdir=/usr/lib64 --disable-encryption --enable-python-binding
make && make install
export LD_LIBRARY_PATH=/usr/local/lib/
cd bindings/python
python setup.py build