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【未发布】【第五课】基础组件用法（录播课） - App Inventor 2 中文网 - ...
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参考：https://jingyan.baidu.com/article/25648fc15b6f469191fd00df.html
第五课：录播课，基础组件用法。
反馈：默认情况下，视频清晰度需要加强一些。导出的视频30分钟，120多M，需要研究一下配置。（今天发现，应该是B站默认...
Error 1103: Unable to complete the given request with the text - App I...
...rsion=2.69&api=3
4&installer=com.hihonor.bai
du.browser&aid=9fd2eba4-b
84e-4db7-8442-d956c74172
8e&r2=true&useproxy=true"
with the specified URL: http:// rendezvous.appinventor.mit
.edu/rendezvous/
原因：AI2 伴侣无法接入互联网导致请求失败。可能...
TypeLoadException says 'no implementation', but it is implemented
...nt - for me 'running again' implied F5. I've updated the answer. Of course all this wouldn't have happened with a decent source control tool, but don't get me started on that subject...
– Benjol
Jun 4 '09 at 6:21
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How to unescape HTML character entities in Java?
Basically I would like to decode a given Html document, and replace all special chars, such as " " -> " " , ">" -> ">" .
...
How to remove/delete a large file from commit history in Git repository?
I accidentally dropped a DVD-rip into a website project, then carelessly git commit -a -m ... , and, zap, the repo was bloated by 2.2 gigs. Next time I made some edits, deleted the video file, and committed everything, but the compressed file is still there in the repository, in history.
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How to implement the factory method pattern in C++ correctly
...
First of all, there are cases when
object construction is a task complex
enough to justify its extraction to
another class.
I believe this point is incorrect. The complexity doesn't really matter. The relevance is what does. I...
Get class name of object as string in Swift
...
Is this really the case? According to the docs for String for this initializer "an unspecified result is supplied automatically by the Swift standard library" when it doesn't conform to Streamable, or CustomStringConvertible, or Cust...
What is the difference between __init__ and __call__?
...ialise newly created object, and receives arguments used to do that:
class Foo:
def __init__(self, a, b, c):
# ...
x = Foo(1, 2, 3) # __init__
The second implements function call operator.
class Foo:
def __call__(self, a, b, c):
# ...
x = Foo()
x(1, 2, 3) # __call__
...
Cannot find or open the PDB file in Visual Studio C++ 2010
...kbox "Microsoft Symbol Servers", Visual Studio will download PDBs automatically. Or you may just ignore these warnings if you don't need to see correct call stack in these modules.
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Where can I learn how to write C code to speed up slow R functions? [closed]
...ds C++ and Rcpp to be much more like writing R than writing C++. YMMV and all that.
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