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Show percent % instead of counts in charts of categorical variables

...for 'ggplot count vs percentage histogram' so hopefully this helps distill all the information currently housed in comments on the accepted answer. Remark: If hp is not set as a factor, ggplot returns: share | ...
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Running code in main thread from another thread

... No. If you subclass Handler (or use Handler.Callback interface) your handleMessage() method will ONLY be called for messages that have been posted using your handler. The main thread is using a different handler to post/process messages so there is no conflict. ...
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Disable/enable an input with jQuery?

... As an aside, remember that, if you want to disable ALL form input controls - incl. checkboxes, radios, textareas, etc. - you have to select ':input', not just 'input'. The latter selects only actual <input> elements. – Cornel Masson ...
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How do I apply the for-each loop to every character in a String?

...cost penalty. From the documentation: [toCharArray() returns] a newly allocated character array whose length is the length of this string and whose contents are initialized to contain the character sequence represented by this string. There are more verbose ways of iterating over characters i...
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Cast List to List

...List<Apple>(); List<IFruit> fruit = apples; // Fortunately not allowed fruit.Add(new Banana()); // Eek - it's a banana! Apple apple = apples[0]; Now you can convert a List<Apple> to an IEnumerable<IFruit> in .NET 4 / C# 4 due to covariance, but if you want a List<IFruit...
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How do I get the web page contents from a WebView?

...k I found the answer in this post on lexandera.com. The code below is basically a cut-and-paste from the site. It seems to do the trick. final Context myApp = this; /* An instance of this class will be registered as a JavaScript interface */ class MyJavaScriptInterface { @JavascriptInterface ...
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Maven plugins can not be found in IntelliJ

... had a few of these due to IntelliJ battling my company's proxy server. Finally blew them out. Thanks! – paultamalunas Oct 26 '17 at 23:12 ...
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In Functional Programming, what is a functor?

...e reading various articles on functional programming, but the authors typically assume the reader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incredibly vague descriptions (see the section on Functors...
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How do I execute a bash script in Terminal?

... The advice to cd anywhere at all perpetrates another common beginner misunderstanding. Unless the script internally has dependencies which require it to run in a particular directory (like, needing to read a data file which the script inexplicably doesn'...
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Cannot use a CONTAINS or FREETEXT predicate on table or indexed view because it is not full-text ind

... Make sure you have full-text search feature installed. Create full-text search catalog. use AdventureWorks create fulltext catalog FullTextCatalog as default select * from sys.fulltext_catalogs Create full-text search index. create fulltext index on Production.P...