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Android NDK C++ JNI (no implementation found for native…)

...g the function prototype name wrong, another is failing to load the .so at all. Are you sure that System.loadLibrary() is being called before the method is used? If you don't have a JNI_OnLoad function defined, you may want to create one and have it spit out a log message just to verify that the l...
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Getting the error “Missing $ inserted” in LaTeX

...ommand, which will typeset the text in a monospaced font and will automatically handle underscores and bars correctly (no need to escape them with \). share | improve this answer | ...
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Getting the docstring from a function

... On ipython or jupyter notebook, you can use all the above mentioned ways, but i go with my_func? or ?my_func for quick summary of both method signature and docstring. I avoid using my_func?? (as commented by @rohan) for docstring and use it only to check th...
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A transport-level error has occurred when receiving results from the server [closed]

... Can you provide some details on what that actually does? Are there any reasons against setting such a value globally? – Drew Noakes Dec 5 '10 at 19:02 ...
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What is the (function() { } )() construct in JavaScript?

...tion expression. Then look at the last pair (function(){})();, this is normally added to an expression to call a function; in this case, our prior expression. This pattern is often used when trying to avoid polluting the global namespace, because all the variables used inside the IIFE (like in any ...
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Adding new column to existing DataFrame in Python pandas

... because if you have multiple rows, and you use the assignment, it assigns all rows of the new column with that value ( in your case e) which is usually undesirable. – Paniz Apr 27 '19 at 22:42 ...
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Is there a way for multiple processes to share a listening socket?

...POSIX type OS), using fork() will cause the forked child to have copies of all the parent's file descriptors. Any that it does not close will continue to be shared, and (for example with a TCP listening socket) can be used to accept() new sockets for clients. This is how many servers, including Apac...
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Django: How to manage development and production settings?

...s you define environment variables in an "environment" (.env) file. Finally, note that you can take advantage of the PYTHONPATH variable to store the settings in a completely different location (e.g. on a production server, storing them in /etc/). This allows for separating configuration from ap...
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system(“pause”); - Why is it wrong?

...upon because it's a platform-specific hack that has nothing to do with actually learning programming, but instead to get around a feature of the IDE/OS - the console window launched from Visual Studio closes when the program has finished execution, and so the new user doesn't get to see the output o...
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One SVN repository or many?

... its own tags, trunk and branches. If one gets too big or I need to physically isolate a customer's code for their comfort, I can quickly and easily create a new repository. I recently consulted with a relatively large firm on migrating multiple source code control systems to Subversion. They have...