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App Inventor 2 扩展 · App Inventor 2 中文网
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2.1 Importing extension components
2.2 Some sample extensions to try
2.3 Building projects with extension components
2.4 Deleting extension components
2.5 Sharing projects that use extension components
2.6 Extension component repositories
2.7 Naming extension components
2.8 Updating project...
Changes in import statement python3
...ould do it like this (in derived.py):
from base import BaseThing
Python 3 no longer supports that since it's not explicit whether you want the 'relative' or 'absolute' base. In other words, if there was a Python package named base installed in the system, you'd get the wrong one.
Instead it requ...
Iterating through directories with Python
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Setting EditText imeOptions to actionNext has no effect
...out ( v1 ) with two children: an EditText( v2 ) and another LinearLayout( v3 ). The child LinearLayout in turn has an EditText( v4 ) and an ImageView( v5 ).
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Human readable javascripts in chrome developer tools
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Python str vs unicode types
... ways into a sequence of binary data represented via str.
Note: In Python 3, unicode was renamed to str and there is a new bytes type for a plain sequence of bytes.
Some differences that you can see:
>>> len(u'à') # a single code point
1
>>> len('à') # by default utf-8 ->...
Regular Expression for alphanumeric and underscores
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the Tin Man
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answered Dec 3 '08 at 4:33
CharlieCharlie
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How do you clear a stringstream variable?
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edited Sep 3 '15 at 20:31
BartoszKP
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Installing Numpy on 64bit Windows 7 with Python 2.7.3 [closed]
...ks like the only 64 bit windows installer for Numpy is for Numpy version 1.3.0 which only works with Python 2.6
6 Answers
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