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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

... I actually just implemented this on one of my projects (your question and the other wrong answer hinted at what to do). I tried Sergio's answer but had exception issues when actually running on a device. Yes you create two fetch ...
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AngularJS ui-router login authentication

...at this plunk. First, you need a service to store the user's identity. I call this principal. It can be checked to see if the user is logged in, and upon request, it can resolve an object that represents the essential information about the user's identity. This can be whatever you need, but the ess...
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JavaScript Regular Expression Email Validation [duplicate]

... If you define your regular expression as a string then all backslashes need to be escaped, so instead of '\w' you should have '\\w'. Alternatively, define it as a regular expression: var pattern = /^\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,3}$/; BTW, please don't validate email address...
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?

...e wchar_t is a distinct type whose values can represent distinct codes for all members of the largest extended character set specified among the supported locales (22.3.1).                                                              ...
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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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How can I detect if the user is on localhost in PHP?

... Which would make this actually easier to break than spoofing the IP. You should really change it. – Pekka Jan 13 '10 at 0:09 3 ...
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Strip HTML from strings in Python

...those of you using newer versions of Python (3.2+) is that you'll need to call the parent class's __init__ function. See here: stackoverflow.com/questions/11061058/…. – pseudoramble Aug 18 '13 at 17:54 ...
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Google Chrome Extensions - Can't load local images with CSS

...ion that uses the content script feature to modify a website. More specifically, the background-image of said website. 8 ...
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Which is more preferable to use: lambda functions or nested functions ('def')?

...nction objects, but list comprehensions and generator expressions are generally more readable than those functions and can cover all use cases, without the need of lambdas. For the cases you really need a small function object, you should use the operator module functions, like operator.add instea...
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Multiple “order by” in LINQ

... How on earth have I gone all this time without knowing about ThenBy?! (Edit: looks like it was introduced in .NET 4.0, which explains how it slipped past me unnoticed.) – Jordan Gray Nov 21 '13 at 15:05 ...