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How to delete the contents of a folder?
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import os, shutil
folder = '/path/to/folder'
for filename in os.listdir(folder):
file_path = os.path.join(folder, filename)
try:
if os.path.isfile(file_path) or os.path.islink(file_path):
os.unlink(file_path)
elif os.path.i...
Why are only final variables accessible in anonymous class?
...n anonymous inner class or lambda expression though.
It's basically due to the way Java manages closures.
When you create an instance of an anonymous inner class, any variables which are used within that class have their values copied in via the autogenerated constructor. This avoids the compile...
How to print without newline or space?
I'd like to do it in python . What I'd like to do in this example in c :
22 Answers
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How long do browsers cache HTTP 301s?
...f cache control directives that specify otherwise, a 301 redirect defaults to being cached without any expiry date.
That is, it will remain cached for as long as the browser's cache can accommodate it. It will be removed from the cache if you manually clear the cache, or if the cache entries are pu...
Why are Docker container images so large?
...includes all the dependencies for what you installed. It is also important to note that the base images (like fedora:latest tend to be very bare-bones. You may be surprised by the number of dependencies your installed software has.
I was able to make your installation significantly smaller by addin...
How to add an image to a JPanel?
I have a JPanel to which I'd like to add JPEG and PNG images that I generate on the fly.
14 Answers
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When is it appropriate to use C# partial classes?
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The biggest use of partial classes is to make life easier for code generators / designers. Partial classes allow the generator to simply emit the code they need to emit and they do not have to deal with user edits to the file. Users are likewise free to annotate...
C++, copy set to vector
I need to copy std::set to std::vector :
6 Answers
6
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How to convert existing non-empty directory into a Git working directory and push files to a remote
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Given you've set up a git daemon on <url> and an empty repository:
cd <localdir>
git init
git add .
git commit -m 'message'
git remote add origin <url>
git push -u origin master
share
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How to enable/disable bluetooth programmatically in android
I want to enable/disable bluetooth through the program. I have the following code.
8 Answers
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