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Why does Python code run faster in a function?

...e on the PyObject which is trivial. Contrast this to a global lookup (LOAD_GLOBAL), which is a true dict search involving a hash and so on. Incidentally, this is why you need to specify global i if you want it to be global: if you ever assign to a variable inside a scope, the compiler will issue ST...
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Change R default library path using .libPaths in Rprofile.site fails to work

...ry/Frameworks/R.framework/Versions/2.15/Resources/library" [2] "/Users/user_name/userLibrary" The .libPaths function is a bit different than most other nongraphics functions. It works via side-effect. The functions Sys.getenv and Sys.setenv that report and alter the R environment variables have ...
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How to create Drawable from resource

... something like this. Drawable myDrawable; if(android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP){ myDrawable = context.getResources().getDrawable(id, context.getTheme()); } else { myDrawable = context.getResources().getDrawable(id); } ...
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Is there a better alternative than this to 'switch on type'?

...erscore if you don't need access to the object: case UnauthorizedException _: – Assaf S. Mar 7 '18 at 10:39 ...
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PSQLException: current transaction is aborted, commands ignored until end of transaction block

...QL by default stops you from doing this. I'm using: PostgreSQL 9.1.6 on x86_64-redhat-linux-gnu, compiled by gcc (GCC) 4.7.2 20120921 (Red Hat 4.7.2-2), 64-bit". My PostgreSQL driver is: postgresql-9.2-1000.jdbc4.jar Using Java version: Java 1.7 Here is the table create statement to illustrate the ...
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What does the git index contain EXACTLY?

... As a result (of using IEOT), commit 7bd9631 clean-up the read-cache.c load_cache_entries_threaded() function for Git 2.23 (Q3 2019). See commit 8373037, commit d713e88, commit d92349d, commit 113c29a, commit c95fc72, commit 7a2a721, commit c016579, commit be27fb7, commit 13a1781, commit 7bd9631, co...
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What is the difference between buffer and cache memory in Linux?

...110207101856/http://www.linuxforums.org/articles/using-top-more-efficiently_89.html share | improve this answer | follow | ...
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When should you branch?

...s the project? What are you supposed to do with it? a branch called "bugfix_212" can be interpreted in the context of a bug tracking system for instance, and any developer can use it with at least some idea about what he is supposed to do with it) A branch is not a tag (SVN is a Revision System whi...
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How to display HTML tags as plain text [duplicate]

...preserve your indentation. echo '<pre>'; echo htmlspecialchars($YOUR_HTML); echo '</pre>'; share | improve this answer | follow | ...
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Is System.nanoTime() completely useless?

...d solved the same problem in the same way, with a link to the FAQ for clock_gettime(CLOCK_REALTIME), which says: Is clock_gettime(CLOCK_REALTIME) consistent across all processors/cores? (Does arch matter? e.g. ppc, arm, x86, amd64, sparc). It should or it's considered buggy. How...