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How to return images in flask response? [duplicate]
...et('type') == '1':
filename = 'ok.gif'
else:
filename = 'error.gif'
return send_file(filename, mimetype='image/gif')
to send back ok.gif or error.gif, depending on the type query parameter. See the documentation for the send_file function and the request object for more infor...
How to set .net Framework 4.5 version in IIS 7 application pool
.... This helped me to fix an issue with Web Deploy, where it was throwing an ERROR_APPPOOL_VERSION_MISMATCH error after upgrading from v4.0 to v4.5.
MS article on setting .Net version for App Pool
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【免费开放】App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通...
...后由 莫海周 于 2025-03-20 10:39 编辑
这个扩展使用会引起Error3300错误，ssl通信不支持？请问如何解决？莫海周 发表于 2025-03-20 10:34
这个扩展使用会引起Error3300错误，ssl通信不支持？请问如何解决？
请问你使用的哪个平台？方便...
Is it possible to have multiple styles inside a TextView?
Is it possible to set multiple styles for different pieces of text inside a TextView?
18 Answers
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What does string::npos mean in this code?
..."not found"); // assume it returns npos
if (idx == std::string::npos) { // ERROR: comparison might not work
...
}
One way to avoid this error is to check whether the search fails directly:
if (s.find("hi") == std::string::npos) {
...
}
However, often you need the index of the matching character...
How to create a video from images with FFmpeg?
...format=yuv420p" "e:\out.mp4"
-safe 0 parameter prevents Unsafe file name error
Related links
FFmpeg making a video from images placed in different folders
FFMPEG An Intermediate Guide/image sequence
Concatenate – FFmpeg
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Git Alias - Multiple Commands and Parameters
...ing redirections and return the status 0. Here're some usages: 1. a=123;$a errors, but a=123; : $a does not. 2. : > hello.txt empties hello.txt. 3. if [ "$a" = "hello" ];then : ;fi runs okay but errors without ':'. It's like pass in python. 4. : this is a comment, the colon followed by space work...
GCC compile error with >2 GB of code
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The error occurs because you have too much CODE, not data! This is indicated by for example __libc_csu_fini (which is a function) being referenced from _start and the relocation is truncated to fit. This means that _start (the pr...
Computational complexity of Fibonacci Sequence
I understand Big-O notation, but I don't know how to calculate it for many functions. In particular, I've been trying to figure out the computational complexity of the naive version of the Fibonacci sequence:
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C++ catch blocks - catch exception by value or reference? [duplicate]
...yException which inherits from CustomException and overrides items like an error code. If a MyException type was thrown your catch block would cause it to be converted to a CustomException instance which would cause the error code to change.
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