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Check if a user has scrolled to the bottom

... best way to do that is to find when the user is at the bottom of the page and run an ajax query to load more posts. 26 Ans...
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ruby 1.9: invalid byte sequence in UTF-8

... writing a crawler in Ruby (1.9) that consumes lots of HTML from a lot of random sites. When trying to extract links, I decided to just use .scan(/href="(.*?)"/i) instead of nokogiri/hpricot (major speedup). The problem is that I now receive a lot of " invalid byte sequence in UTF-8 " errors. ...
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CKEditor automatically strips classes from div

...t sees fit whenever I press the source button. For example if I hit source and create a <div> ... 13 Answers ...
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Visual Studio hot keys change occasionally, specifically F6 vs Ctrl-Shift-B for building. WHY?

...gs, then follow this approach. SOLUTION 1: Go to "Tools" (menu) "Import and Export Settings" "Import selected environment settings" Either select "Yes, save my current settings" or "No, just import new settings, overwriting my current settings" "Which collection of settings do you want to import?...
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Can you change a path without reloading the controller in AngularJS?

It's been asked before, and from the answers it doesn't look good. I'd like to ask with this sample code in consideration... ...
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Where do you include the jQuery library from? Google JSAPI? CDN?

There are a few ways to include jQuery and jQuery UI and I'm wondering what people are using? 16 Answers ...
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Why doesn't Dictionary have AddRange?

... because no one ever designed, specified, implemented, tested, documented and shipped that feature. - @Gabe Moothart As to why? Well, likely because the behavior of merging dictionaries can't be reasoned about in a manner that fits with the Framework guidelines. AddRange doesn't exist because a ...
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How to find all the tables in MySQL with specific column names in them?

I have 2-3 different column names that I want to look up in the entire DB and list out all tables which have those columns. Any easy script? ...
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How to trim whitespace from a Bash variable?

... Let's define a variable containing leading, trailing, and intermediate whitespace: FOO=' test test test ' echo -e "FOO='${FOO}'" # > FOO=' test test test ' echo -e "length(FOO)==${#FOO}" # > length(FOO)==16 How to remove all whitespace (denoted by [:space:] in tr): F...
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Ignore fields from Java object dynamically while sending as JSON from Spring MVC

... That ignores both while reading from request and while sending response. I want to ignore only while sending response because i need that property from the request object. Any ideas? – zulkarnain shah Sep 8 '17 at 10:39 ...