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What is the difference between an interface and abstract class?

What exactly is the difference between an interface and abstract class? 37 Answers 37 ...
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List of MSBuild built-in variables

...MSBuild reserved properties Common MSBuild properties Macros for Build Commands and Properties Other useful lists: Well-known item metadata MSBuild special characters First link shows the MSBuild property for project name: MSBuildProjectName The file name of the project file without the fi...
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brew install mysql on macOS

...ion with older versions of mysql already installed. I had the same problem and none of the above solutions worked for me. I fixed it thus: Used brew's remove & cleanup commands, unloaded the launchctl script, then deleted the mysql directory in /usr/local/var, deleted my existing /etc/my.cnf (l...
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Flexbox Not Centering Vertically in IE

...Lipsum content that is centered on the page. The page works fine in Chrome and Firefox. If I reduce the size of the window, the content fills the window until it can't and then adds a scroll bar and fills content off screen, toward the bottom. ...
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How do I get the “id” after INSERT into MySQL database with Python?

... @hienbt88 He probably meant threads, I've done that and it can cause issues unless you properly utilize threadsafety. I've personally gone for instantiating a new connection for each thread, which is a cute workaround since for some reason committing (autocommitting actually) ...
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What is the canonical way to check for errors using the CUDA runtime API?

Looking through the answers and comments on CUDA questions, and in the CUDA tag wiki , I see it is often suggested that the return status of every API call should checked for errors. The API documentation contains functions like cudaGetLastError , cudaPeekAtLastError , and cudaGetErrorString , b...
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Differences between Agda and Idris

I'm starting to dive into dependently-typed programming and have found that the Agda and Idris languages are the closest to Haskell, so I started there. ...
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C# loop - break vs. continue

...e to answer for other languages) loop, what's the difference between break and continue as a means to leave the structure of the loop, and go to the next iteration? ...
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SQLAlchemy IN clause

...w SQL mode with SQLAlchemy, I use SQLAlchemy 0.9.8, python 2.7, MySQL 5.X, and MySQL-Python as connector, in this case, a tuple is needed. My code listed below: id_list = [1, 2, 3, 4, 5] # in most case we have an integer list or set s = text('SELECT id, content FROM myTable WHERE id IN :id_list') c...
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Python error “ImportError: No module named”

...ssing __init__.py (now called __init__.py.bin) means python doesn't understand toolkit as a package. You create __init__.py in the appropriate directory and everything works... ? share | improve th...