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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...
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.
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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
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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...
Is there any free OCR library for Android? [closed]
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OCR can be pretty CPU intensive, you might want to reconsider doing it on a smart phone.
That aside, to my knowledge the popular OCR libraries are Aspire and Tesseract. Neither are straight up Java, so you're not going to get a drop-in Android OCR library.
However, Tesseract is open source...
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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Understanding MongoDB BSON Document size limit
From MongoDB The Definitive Guide:
7 Answers
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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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HTTP could not register URL http://+:8000/HelloWCF/. Your process does not have access rights to thi
...on text, http://go.microsoft.com/fwlink/?LinkId=70353, is broken. However, it used to lead to http://msdn.microsoft.com/en-us/library/ms733768.aspx which explains how to set the permissions.
It basically informs you to use the following command:
netsh http add urlacl url=http://+:80/MyUri user=DOM...