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What's the difference between the atomic and nonatomic attributes?

...o are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in recent versions of llvm/clang). Assuming that you are @synthesizing the method implementations, atomic vs. non-atomic chang...
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Asp.NET Web API - 405 - HTTP verb used to access this page is not allowed - how to set handler mappi

... Common cause for this error is WebDAV. Make sure you uninstall it. share | improve this answer | follow | ...
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How to add a 'or' condition in #ifdef

...¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯|// #ifdef CONDITION_01 //| |// #define TEMP_MACRO //| |// #endif //| |// #ifdef CONDITION_02 //| |// #define TEMP_MACRO //| |// #endif ...
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What's the difference between globals(), locals(), and vars()?

... the same dict each time - it's attached to the stack frame object as its f_locals attribute. The dict's contents are updated on each locals() call and each f_locals attribute access, but only on such calls or attribute accesses. It does not automatically update when variables are assigned, and assi...
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Why 0 is true but false is 1 in the shell?

The above will output 1 , which is contradictory with all other programming languages I know. 10 Answers ...
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Email validation using jQuery

...ming more common this regex may need modifying .systems and .poker etc are all valid TLDs now but would fail the regex check – Liath Sep 5 '14 at 7:35 3 ...
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How do you manage databases in development, test, and production?

...of good options. I wouldn't use the "restore a backup" strategy. Script all your schema changes, and have your CI server run those scripts on the database. Have a version table to keep track of the current database version, and only execute the scripts if they are for a newer version. Use a migr...
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How to make MySQL handle UTF-8 properly

... My understanding is that utf8 within MySQL only refers to a small subset of full Unicode. You should use utf8mb4 instead to force full support. See mathiasbynens.be/notes/mysql-utf8mb4 "For a long time, I was using MySQL’s utf8 charset for databases, tables, and columns, assuming i...
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Best practice multi language website

...ome months now, but I haven't been in a situation that I needed to explore all possible options before. Right now, I feel like it's time to get to know the possibilities and create my own personal preference to use in my upcoming projects. ...
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How to use clock() in C++

How do I call clock() in C++ ? 7 Answers 7 ...