lxneng

>>> class Foo(object):
...     def bar(self):
...         print 'hello'
...         
...     
... 
>>> class_name = 'Foo'
>>> globals()[class_name]
<class '__main__.Foo'>
>>> _()

lxneng

{% if ctx.tags %}
  <p class=tags>This entry was tagged
    {% for tag in ctx.tags|sort(case_sensitive=true) %}
      {%- if not loop.first and not loop.last %}, {% endif -%}
      {%- if loop.last and not loop.first %} and {% endif %}
      <a href="{{ link_to('tag', tag=tag) }}">{{ tag }}</a>
    {%- endfor %}
  {% endif %}

lxneng

def textList(listtext, sep1=', ', sep2=', and '):
   return sep1.join(listtext[:-2]+['']) + sep2.join(listtext[-2:])

lxneng

>>> from pyramid_simpleform import Form
>>> from pyramid_simpleform.renderers import FormRenderer
>>> import formencode
>>> class ForgotPWSchema(formencode.Schema):
...     email = formencode.validators.Email(not_empty=True)
... 
>>> form = Form(request, schema=ForgotPWSchema)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'request' is not defined

lxneng

#file are located in /resources
#eg to open /resources/sample.pdf -> http://www.mysite.com/MyFiles/sample.pdf

#location configuration in nginx.conf
        location ^~ /resources/  {
        internal;
        root /path/to/myapp;
     }
       

lxneng

pip freeze | cut -d = -f 1  | xargs echo pip install -U

lxneng

for x in `gem list --no-versions`; do gem uninstall $x; done

lxneng

ssh error:
    ssh_exchange_identification: Connection closed by remote host

fix:
    sudo echo "sshd:ALL" >> /etc/hosts.allow 

lxneng

语言文件 po 和 mo 的互相转换
===========================

apt-get install gettext

1, mo to po
    
    msgunfmt xxx.mo -o xxx.po

2, po to mo

lxneng

pip install -e git://github.com/bitly/bitly-api-python.git#egg=bitly_api