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Named routes _path vs _url
... to the app on the server. They should mainly be used when providing links for external use. (Think email links, RSS, and things like the copy and paste URL field under a YouTube video's "Share" section.)
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How to get method parameter names?
...module - this will do the inspection of the various code object properties for you.
>>> inspect.getfullargspec(a_method)
(['arg1', 'arg2'], None, None, None)
The other results are the name of the *args and **kwargs variables, and the defaults provided. ie.
>>> def foo(a, b, c=...
How do JavaScript closures work?
...ript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
...
中文网（自研/维护）拓展 · App Inventor 2 中文网
...ls：个性化状态栏拓展
AI2Utils
Component for AI2Utils
属性
None
事件
None
方法
FindContactsByName(name,fuzzyMatch)
通过姓名查找通讯录，返回 (联系人,手机号) 的...
Multiple columns index when using the declarative ORM extension of sqlalchemy
...clare it, everything works the same (make sure you're on recent 0.6 or 0.7 for the declarative A.a wrapper to be interpreted as a Column after the class declaration is complete):
class A(Base):
__tablename__ = 'table_A'
id = Column(Integer, primary_key=True)
a = Column(String(32))
b...
How do I get a list of column names from a psycopg2 cursor?
...rk Lutz:
curs.execute("Select * FROM people LIMIT 0")
colnames = [desc[0] for desc in curs.description]
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what is the right way to treat Python argparse.Namespace() as a dictionary?
...I just updated the 3.3 and 3.3 docs. It will be visible tomorrow. Thanks for pointing it out.
– Raymond Hettinger
Jun 2 '13 at 17:37
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sho...
How to access outer class from an inner class?
...red using this technique. But it seems that the solution is pretty straightforward:
class Fatty():
def do_sthg( self ):
pass
class InnerFatty( object ):
pass
def giveMeAnInnerFattyClass(self):
class ExtendedInnerFatty( Fatty.InnerFatty ):
pass
...
Empty set literal?
...
No, there's no literal syntax for the empty set. You have to write set().
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Rename all files in directory from $filename_h to $filename_half?
...
Just use bash, no need to call external commands.
for file in *_h.png
do
mv "$file" "${file/_h.png/_half.png}"
done
Do not add #!/bin/sh
For those that need that one-liner:
for file in *.png; do mv "$file" "${file/_h.png/_half.png}"; done
...