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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR

... Take a look at the documentation on the Apple developer website : https://developer.apple.com/library/prerelease/ios/#documentation/General/Conceptual/ARCProgrammingGuide/Introduction.html#//apple_ref/doc/uid/TP40011029 There is a section about retain cycles at the bottom of the page. ...
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How to search for “R” materials? [closed]

... An update, several years later All the links you need are right here: https://stackoverflow.com/tags/r/info This was discussed on the R-Help mailing list recently. Some things mentioned there that haven't been covered here are: Using the RSiteSearch function, and the package of the same ...
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How to install PyQt4 on Windows using pip?

...lve your purpose. The .exe windows installers can be downloaded from : https://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.4/ share | improve this answer | follo...
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What exactly is Spring Framework for? [closed]

...ing-MVC-step-by-step/ http://en.wikipedia.org/wiki/Spring_Framework http://www.theserverside.com/tt/articles/article.tss?l=SpringFramework share | improve this answer | fol...
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Detecting input change in jQuery?

... the jQuery .val() method) won't fire any of the events above. (Reference: https://api.jquery.com/change/). share | improve this answer | follow | ...
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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both

... Are you using OS X and Homebrew? The Homebrew python page https://github.com/Homebrew/brew/blob/master/docs/Homebrew-and-Python.md calls out a known issue with pip and a work around. Worked for me. You can make this "empty prefix" the default by adding a ~/.pydistutils.cfg fi...
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Media query to detect if device is touchscreen

...ot allow you to detect touch capabilities as part of the standard: http://www.w3.org/TR/css3-mediaqueries/ So, there is no way to do it consistently via CSS or media queries, you will have to resort to JavaScript. No need to use Modernizr, you can just use plain JavaScript: <script type="text...
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Concrete Javascript Regex for Accented Characters (Diacritics)

... [A-Za-zÀ-ÖØ-öø-ÿ] // as above but not including [ ] ^ \ × ÷ See https://unicode-table.com/en/ for characters listed in numeric order. share | improve this answer | ...
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How to change XAMPP apache server port?

...that look for “ServerName”. you might find something like: ServerName www.example.com:443 or ServerName localhost:433 Change this ServerName to your new port no. 8) Save and close the httpd-ssl.conf file. 9) Finally, there’s just one more place you should change the port no. For that, cl...
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How do I unit test web api action method when it returns IHttpActionResult?

...s just a helper for the type OkResult which sets the response status to be HttpStatusCode.Ok...so you can just check if the instance of your action result is an OkResult...some examples(written in XUnit): // if your action returns: NotFound() IHttpActionResult actionResult = valuesController.Get(10...