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How do I do base64 encoding on iOS?

... A really, really fast implementation which was ported (and modified/improved) from the PHP Core library into native Objective-C code is available in the QSStrings Class from the QSUtilities Library. I did a quick benchmark: a 5....
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How to make the python interpreter correctly handle non-ASCII characters in string operations?

... You actually only need # coding: utf-8. -*- is not for decoration, but you are unlikely to ever need it. I think it was there for old shells. – fmalina May 9 '13 at 13:40 ...
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How to remove from a map while iterating it?

...= m.erase(it)" since C++11 } else { ++it; } } Note that we really want an ordinary for loop here, since we are modifying the container itself. The range-based loop should be strictly reserved for situations where we only care about the elements. The syntax for the RBFL makes this clear...
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Convert a String In C++ To Upper Case

...orm extremely badly with g++ 5.2 -O3, and Boost 1.58 (like 30x worse than calling glibc's toupper in a loop.) There's a dynamic_cast of the locale that doesn't get hoisted out of the per-char loop. See my answer. On the plus side, this may be properly UTF-8 aware, but the slowdown doesn't come fr...
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Linq to Sql: Multiple left outer joins

... This may be cleaner (you dont need all the into statements): var query = from order in dc.Orders from vendor in dc.Vendors .Where(v => v.Id == order.VendorId) .DefaultIfEmpty() from status in dc.Status .Where(...
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What does the variable $this mean in PHP?

I see the variable $this in PHP all the time and I have no idea what it's used for. I've never personally used it. 10 An...
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Private properties in JavaScript ES6 classes

...class fields work. You can't currently use this in constructor before you call super(). Yet babel puts them before super. – seeker_of_bacon Oct 3 '18 at 16:23 ...
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Execute the setInterval function without delay the first time

... It's simplest to just call the function yourself directly the first time: foo(); setInterval(foo, delay); However there are good reasons to avoid setInterval - in particular in some circumstances a whole load of setInterval events can arrive imm...
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Python list of dictionaries search

... Is worth noting that this answer returns a list with all matches for 'Pam' in people, alternatively we could get a list of all the people that are not 'Pam' by changing the comparison operator to !=. +1 – Onema Nov 12 '15 at 22:25 ...
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Remove Application Insight from application on Visual Studio 2013

...d only have to remove one extension and possibly one nuget package. Uninstall the Application Insights Tools for Visual Studio extension and remove the Application Telemetry SDK for Services nuget package. The telemetry package is installed along with Application Insights but must be removed separa...