select 'drop table '||tname|| '; ' from tab;
Thursday, April 19, 2012
Monday, April 16, 2012
使用convert裁剪图片
裁剪掉图片底部20px高度:
convert trim_oneside.gif -gravity South -chop 0x20 trim_south.gif
Friday, April 13, 2012
使用SSH压缩让网络传输更慢
mbailey@modu1:~/vm$ scp -r r03 modu4:vm/
Ubuntu 64-bit-f001.vmdk 7% 147MB 8.1MB/s 03:54 ETAmbailey@modu1:~/vm$ scp -r -o 'Compression no' r03 modu4:vm/
Ubuntu 64-bit-f001.vmdk 100% 2048MB 28.1MB/s 01:13 ETA所以我推荐 ssh+rsync。
Thursday, April 12, 2012
在App Engine上使用bottle框架
application: my-bottle-app\ version: 1 runtime: python api_version: 1 handlers: - url: /styles static_dir: styles - url: /.* script: main.py
from framework import bottle
from framework.bottle import route, template, request, error, debug
from google.appengine.ext.webapp.util import run_wsgi_app
@route('/')
def DisplayForm():
message = 'Hello World'
output = template('templates/home', data = message)
return output
def main():
debug(True)
run_wsgi_app(bottle.default_app())
@error(403)
def Error403(code):
return 'Get your codes right dude, you caused some error!'
@error(404)
def Error404(code):
return 'Stop cowboy, what are you trying to find?'
if __name__=="__main__":
main()
Friday, April 6, 2012
批量下载某个网站 0001.jpg 到 0999.jpg 图片的shell脚本
for i in {1..999}; do curl -L -O http://baidu.com/images/pic_$(printf "%0.4d" $i).jpg; done
Monday, April 2, 2012
Linux版本Google Chrome更改字体方法
在Linux下的Google自然可以通过设置更改字体,不过不能选择像“sans-serif”,“monospace”这样的字体。
你需要用编辑器手工编辑 .config/google-chrome/Default/Preferences
dejavu是我一直使用的字体。
你需要用编辑器手工编辑 .config/google-chrome/Default/Preferences
"webkit": {
"webprefs": {
"global": {
"fixed_font_family": "monospace",
"sansserif_font_family": "sans-serif",
"serif_font_family": "serif",
"standard_font_family": "sans-serif"
},
"uses_universal_detector": true
}
}
dejavu是我一直使用的字体。
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