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Convert Python dictionary to JSON array

... If you are fine with non-printable symbols in your json, then add ensure_ascii=False to dumps call. >>> json.dumps(your_data, ensure_ascii=False) If ensure_ascii is false, then the return value will be a unicode instance subject to normal Python str to unicode coercion rules in...
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How to determine the encoding of text?

... Correctly detecting the encoding all times is impossible. (From chardet FAQ:) However, some encodings are optimized for specific languages, and languages are not random. Some character sequences pop up all the time, while other sequences make no...
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Android Writing Logs to text File

... code of Mine but then this method creates file but contains nothing. Basically I want to read previous contents of the file and then append my data with the existing content. ...
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Annotating text on individual facet in ggplot2

... Typically you'd do something like this: ann_text <- data.frame(mpg = 15,wt = 5,lab = "Text", cyl = factor(8,levels = c("4","6","8"))) p + geom_text(data = ann_text,label = "Text") It should work without specifying the factor variable comple...
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How can I clear event subscriptions in C#?

...ist, effectively. From outside the class, you can't do this - events basically expose "subscribe" and "unsubscribe" and that's it. It's worth being aware of what field-like events are actually doing - they're creating a variable and an event at the same time. Within the class, you end up referenci...
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Converting from IEnumerable to List [duplicate]

...to a Generic List. //ArrayList Implements IEnumerable interface ArrayList _provinces = new System.Collections.ArrayList(); _provinces.Add("Western"); _provinces.Add("Eastern"); List<string> provinces = _provinces.Cast<string>().ToList(); If you're using Generic version IEnumerable&...
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How do I insert datetime value into a SQLite database?

...ient method, but I tend to forgo strong datatypes in SQLite since they are all essentially dumped in as strings anyway. I've written a thin C# wrapper around the SQLite library before (when using SQLite with C#, of course) to handle insertions and extractions to and from SQLite as if I were dealin...
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Static nested class in Java, why?

...ike any other top-level class. In effect, a static nested class is behaviorally a top-level class that has been nested in another top-level class for packaging convenience. There is no need for LinkedList.Entry to be top-level class as it is only used by LinkedList (there are some other interface...
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Reading header data in Ruby on Rails

..."Cookie"] New way: request.headers["HTTP_COOKIE"] To get a Hash with all headers of the request. request.headers share | improve this answer | follow |...
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Can I protect against SQL injection by escaping single-quote and surrounding user input with single-

... First of all, it's just bad practice. Input validation is always necessary, but it's also always iffy. Worse yet, blacklist validation is always problematic, it's much better to explicitly and strictly define what values/formats you a...