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Python “SyntaxError: Non-ASCII character '\xe2' in file”

...ing in the "UTF-8 Bytes" column which starts with %E2 is a candidate. Generally the issue is editing code with "smart" features turned on like "smart quotes" replacing " with “ (U+201C) and ” (U+201D) or turning -- into — (U+2014 em dash). All of those start with "\xe2\x80" in UTF-8. ...
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java.lang.UnsupportedClassVersionError: Bad version number in .class file?

...n I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands: ...
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How to search for “R” materials? [closed]

... Joining this discussion very late, but here is my preferred search string in Google: [R] followed by search string. For example: [R] lm finds several links to linear modelling in R The reason this works is that StackOverflow uses the [r] tag, and the R mailing lists also use [R]. ...
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What is the best way to get the count/length/size of an iterator?

... Can you please explain how does this work ? @Andrejs List<Tuple2<String, Integer>> wordCountsWithGroupByKey = wordsPairRdd.groupByKey() .mapValues(intIterable -> Iterables.size(intIterable)).collect(); System.out.println("wordCountsWithGroupByKey: " + wordC...
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Why is there a difference in checking null against a value in VB.NET and C#?

... generated CIL (I've converted both to C#): C#: private static void Main(string[] args) { decimal? x = null; decimal? y = null; y = 5M; decimal? CS$0$0000 = x; decimal? CS$0$0001 = y; if ((CS$0$0000.GetValueOrDefault() != CS$0$0001.GetValueOrDefault()) || (CS$0$0000...
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Limit labels number on Chart.js line chart

... labels so that every 4th label is filled in, and all others are the empty string (e.g. ["0", "", "", "", "4", "", "", "", "8"]). share | improve this answer | follow ...
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SQL query to get all values a enum can have

... The unnest call will return records of type myenum with a column name of "myenum". You might also want to cast the enum to text and specify a column name by adding something like. ::text AS my_column – Justin Oh...
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How to view/delete local storage in Firefox?

... Simply enter 'localStorage' as a command and press enter, it'll display a string containing the key-value pairs of localStorage (Tip: Click on that string for formatted output, i.e. to display each key-value pair in each line). ...
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Creating an array of objects in Java

...t takes parameter: public class MainClass { public static void main(String args[]) { System.out.println("Hello, World!"); //step1 : first create array of 10 elements that holds object addresses. Emp[] employees = new Emp[10]; //step2 : now create objects in...
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Copy a variable's value into another

...nal object. If your object contains only primitive types like numbers and strings, a deep copy and shallow copy will do exactly the same thing. But if your object contains other objects or arrays nested inside it, then a shallow copy doesn't copy those nested objects, it merely creates references t...