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How well is Unicode supported in C++11?

...ibrary support unicode? Terribly. A quick scan through the library facilities that might provide Unicode support gives me this list: Strings library Localization library Input/output library Regular expressions library I think all but the first one provide terrible support. I'll get back to i...
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Why is reading lines from stdin much slower in C++ than Python?

...sing Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm misunderstanding something. ...
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What is the difference between #import and #include in Objective-C?

...as added to Objective-C as an improved version of #include. Whether or not it's improved, however, is still a matter of debate. #import ensures that a file is only ever included once so that you never have a problem with recursive includes. However, most decent header files protect themselves agains...
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The definitive guide to form-based website authentication [closed]

...to solve variations on common problems. "Form based authentication for websites" should be a fine topic for such an experiment. ...
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MySQL error code: 1175 during UPDATE in MySQL Workbench

I'm trying to update the column visited to give it the value 1. I use MySQL workbench, and I'm writing the statement in the SQL editor from inside the workbench. I'm writing the following command: ...
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Gem::LoadError for mysql2 gem, but it's already in Gemfile

... If you have this error when upgrading to rails 4.2.4 (also with rails 4.1.5) try using this version of mysql2: gem 'mysql2', '~> 0.3.18' Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question ...
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Why does cURL return error “(23) Failed writing body”?

It works ok as a single tool: 11 Answers 11 ...
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Database: To delete or not to delete records

...vior? Do you prefer to delete a record from the database physically? Or is it better to just flag the record with a "deleted" flag or a boolean column to denote the record is active or inactive? ...
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Amazon S3 boto - how to create a folder?

...which many S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket. share | improve this answer | follow |...
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What does inverse_of do? What SQL does it generate?

I'm trying to get my head around inverse_of and I do not get it. 8 Answers 8 ...