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App Inventor 2 扩展开发实战：从Java小白到发布第一个.aix自定义插件 - Ap...
...cd appinventor-sources
# 2. 确认依赖
# 需要 JDK 8、ant、Python 2.7（或3.x兼容模式）
java -version
# 3. 编译核心库
ant MakeExtensions
国内网络可能需要代理才能顺利拉取Maven依赖。官方文档参见 How to Build App Inventor from the MIT sources。
...
Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
...I2应用（意图类型 Screen）在Kodular上无法工作
2.7 (2021-05-15)
如果更改了包名，启动AI2应用（意图类型 Screen）在Kodular上无法工作添加了 GetActiveNotifications
2.8 (2021-06-13)
LauncherIntent 中的 FlagNewTask 属性...
Print a string as hex bytes?
...ith debugging line breaks or other odd characters in a string:
For Python 2.7
for character in string:
print character, character.encode('hex')
For Python 3.7 (not tested on all releases of 3)
for character in string:
print(character, character.encode('utf-8').hex())
...
Is the LIKE operator case-sensitive with MSSQL Server?
In the documentation about the LIKE operator , nothing is told about the case-sensitivity of it. Is it? How to enable/disable it?
...
How do I tell matplotlib that I am done with a plot?
...emory leaks, but first calling plt.close() stopped the memory leak. Python 2.7, matplotlib 1.1.1rc1 (ubuntu 12.04). FYI.
– D.J.Duff
Jul 26 '13 at 12:58
...
dropping infinite values from dataframes in pandas?
...
python 2.7 and higher support dict comprehensions: {v: lst for v in cols}
– Aryeh Leib Taurog
Feb 17 '15 at 8:01
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Where can I download english dictionary database in a text format? [closed]
...purpose dictionary you can look up most words in.
– Lèse majesté
Dec 28 '12 at 2:50
2
The Objec...
Saving an Object (Data persistence)
...can serialize almost anything in python.
We start with a class…
Python 2.7.8 (default, Jul 13 2014, 02:29:54)
[GCC 4.2.1 Compatible Apple Clang 4.1 ((tags/Apple/clang-421.11.66))] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pickle
>>...
How to unescape HTML character entities in Java?
... @NickFrolov, your comments seem a bit messed up. auml is for instance ä and not д.
– aioobe
Oct 17 '16 at 1:52
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show 3 more comments...
Zip lists in Python
...
In Python 2.7 this might have worked fine:
>>> a = b = c = range(20)
>>> zip(a, b, c)
But in Python 3.4 it should be (otherwise, the result will be something like <zip object at 0x00000256124E7DC8>):
>>...