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Does Swift have access modifiers?

...Enable an entity to be used outside the defining module (target). You typically use open or public access when specifying the public interface to a framework. However, open access applies only to classes and class members, and it differs from public access as follows: public classes and class mem...
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Convert Unix timestamp to a date string

...ecognizes neither -d nor -r and provides no standard way in any command at all (that I know of) to format a Unix time from the command line (since POSIX Awk also lacks strftime()). (You can't use touch -t and ls because the former does not accept a time given as seconds since the Unix Epoch.) Note...
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Convert PDF to clean SVG? [closed]

...t they often lose the font data, but don't seem to approximate a good, installed font. How does PDF display it if SVG can't? – DanRedux Apr 23 '12 at 21:30 ...
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__FILE__, __LINE__, and __FUNCTION__ usage in C++

...st result in the mangled name. Since I'm not a compiler writer, it's not really my call. – Evan Teran Apr 5 '12 at 3:13 ...
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dismissModalViewControllerAnimated deprecated

... The word modal has been removed; As it has been for the presenting API call: [self presentViewController:vc animated:NO completion:nil]; The reasons were discussed in the 2012 WWDC Session 236 - The Evolution of View Controllers on iOS Video. Essentially, view controllers presented by this API...
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C++11 std::threads vs posix threads

...gcc std::thread is perfectly fine - it has a higher abstraction level, a really good interface and plays nicely with other C++11 classes. The C++11 std::thread class unfortunately doesn't work reliably (yet) on every platform, even if C++11 seems available. For instance in native Android std::threa...
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What's the difference between BaseAdapter and ArrayAdapter?

... Here is the difference: BaseAdapter is a very generic adapter that allows you to do pretty much whatever you want. However, you have to do a bit more coding yourself to get it working. ArrayAdapter is a more complete implementation that works well for data in arrays or ArrayLists. Similarly,...
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MySQL: selecting rows where a column is null

... NULL = NULL is not really FALSE - it's NULL again. But it's not TRUE either, so IF(NULL = NULL) won't execute. – Konerak Jan 12 '11 at 19:50 ...
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Center HTML Input Text Field Placeholder

... input{ text-align:center; } is all you need. Working example in FF6. This method doesn't seem to be cross-browser compatible. Your previous CSS was attempting to center the text of an input element which had a class of "placeholder". ...
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Best way for a 'forgot password' implementation? [closed]

... this is essentially the described way of properly resetting a password crackstation.net/hashing-security.htm#faq – TruthOf42 Nov 22 '13 at 13:30 ...