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Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
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zip -d file.jar unwanted_file.txt
jar is just a zip file after all. Definitely much faster than uncompressing/recompressing.
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App Inventor 2 TaifunImage 拓展，图像高级处理功能，剪裁，压缩，翻转等 ...
...或高度被裁剪。
感谢Andreas提供的缩放教程和图像缩放代码示例项目。
在ASD中叠加图像。
第二张图像应该是具有透明度的png格式图像以获得叠加效果。
感谢Christian赞助此功能块！
注意：两张图像都必须存在于ASD中。
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Download multiple files with a single action
...(this would be done with JavaScript)
preferred solution create a script to zip the files
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App Inventor 2 接入百度网盘API · App Inventor 2 中文网
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接入文档
使用Web浏览框，里面要输入网盘用户名密码，成功后返回的url中拿出access_token
这里使用简单模式，回调网页，在回调后的URL中拿出access_token，后面操作都需要它：
http://openapi.baidu.com/oauth/2.0/authorize?display=mobile&r...
Transposing a 2D-array in JavaScript
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You could use underscore.js
_.zip.apply(_, [[1,2,3], [1,2,3], [1,2,3]])
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Creating dataframe from a dictionary where entries have different lengths
...k]) for k, v in data.items()], axis=1)
Use pandas.DataFrame and itertools.zip_longest
For iterables of uneven length, zip_longest fills missing values with the fillvalue.
The zip generator needs to be unpacked, because the DataFrame constructor won't unpack it.
from itertools import zip_longest
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How to parse freeform street/postal address out of text, and into components
... also contains a street address (with secondary/unit number) and a 5-digit ZIP code, which is enough to identify an address.
Number 3 is a complete post office box format, as it contains a ZIP code.
Number 4 is also complete because the ZIP code is unique, meaning that a private entity or corporat...
Create a dictionary with list comprehension
...1) consumed from any iterable yielding pairs of keys/vals
dict(pairs)
2) "zip'ped" from two separate iterables of keys/vals
dict(zip(list_of_keys, list_of_values))
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Merge and interleave two arrays in Ruby
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You can do that with:
a.zip(s).flatten.compact
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App Inventor 2 Encrypt.Security 安全性扩展：MD5哈希，SHA1和SHA256哈希...
...希，SHA1和SHA256哈希，AES加密/解密，RSA加密/解密，BASE64编码/解码
Encrypt.Security 安全性扩展
权限
事件
OnErrorOccured
OnRsaKeyPairGenrated
方法
BASE64Encode
BASE64Decode
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