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How to step through Python code to help debug issues?

...db by using pdb myscript.py or python -m pdb myscript.py. There are a few commands you can then issue, which are documented on the pdb page. Some useful ones to remember are: b: set a breakpoint c: continue debugging until you hit a breakpoint s: step through the code n: to go to next line of co...
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Best way to represent a fraction in Java?

... impossible). */ public final class BigFraction extends Number implements Comparable<BigFraction> { private static final long serialVersionUID = 1L; //because Number is Serializable private final BigInteger numerator; private final BigInteger denominator; public final static BigFract...
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Nohup is not writing log to output file

....py > cmd.log & or nohup python -u ./cmd.py > cmd.log & https://docs.python.org/2/using/cmdline.html#cmdoption-u share | improve this answer | follow ...
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Why {} + {} is NaN only on the client side? Why not in Node.js?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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How to check if a file exists in Go?

...s, equivalent to Python's if os.path.exists(filename): Edited: per recent comments if _, err := os.Stat("/path/to/whatever"); err == nil { // path/to/whatever exists } else if os.IsNotExist(err) { // path/to/whatever does *not* exist } else { // Schrodinger: file may or may not exist. See ...
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Infinite scrolling with React JS

... Check out our React Infinite Library: https://github.com/seatgeek/react-infinite Update December 2016 I've actually been using react-virtualized in a lot of my projects recently and find that it covers the majority of use cases a lot better. Both libraries are ...
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How to see query history in SQL Server Management Studio

...se use a server-side trace, not Profiler, for this). As @Nenad-Zivkovic commented, it might be helpful to join on sys.dm_exec_query_stats and order by last_execution_time: SELECT t.[text], s.last_execution_time FROM sys.dm_exec_cached_plans AS p INNER JOIN sys.dm_exec_query_stats AS s ON p.pl...
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How to pass arguments to addEventListener listener function?

...ll always get the event, arg1, and other stuff passed to myPrettyHandler. http://passy.svbtle.com/partial-application-in-javascript-using-bind share | improve this answer | ...
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GCD to perform task in main thread

..., block) } Its included as a standard function in my repo, check it out: https://github.com/goktugyil/EZSwiftExtensions share | improve this answer | follow ...
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Json.net serialize/deserialize derived types?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...