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How to get all possible combinations of a list’s elements?

...ll elements corresponding to a "1". items=abc * mask=### | V 000 -> 001 -> c 010 -> b 011 -> bc 100 -> a 101 -> a c 110 -> ab 111 -> abc Things to consider: This requires that you can call len(...) on items (workaround: if items is something like an iterable like ...
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What is the difference between Serializable and Externalizable in Java?

... { MyExternalizable m = new MyExternalizable("nikki", "student001", 20); System.out.println(m.toString()); ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("/Users/Desktop/files/temp1.txt")); oos.writeObject(m); oos.close(); S...
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Passing arguments forward to another javascript function

...n be important if you have nested functions. – Arshia001 May 26 '19 at 6:32 add a comment  |  ...
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How do I list all files of a directory?

...t;>> H:\5_18\marketing html\assets\imageslogo2.png >>> H:\7z001.png >>> H:\7z002.png (New) Find all files and open them with tkinter GUI I just wanted to add in this 2019 a little app to search for all files in a dir and be able to open them by doubleclicking on the...
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What is the most effective way for float and double comparison?

...the same epsilon for lines measured in inches and lines measured in mils (.001 inch). That is a==b but 1000a!=1000b. (This is why AlmostEqual2sComplement asks for the epsilon or max ULPS). The use of the same epsilon for both the cosine of angles and the length of lines! Using such a compare functio...
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How to color System.out.println output? [duplicate]

...pe "\" and what follows it until the "m" gets treated as a single char) "\u001b" or (as I noticed on ubuntuforums.org) by the char "\003". – dylnmc Jun 27 '14 at 19:48 1 ...
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Why do people say there is modulo bias when using a random number generator?

...3 bits. Unfortunately, 3 random bits yields 8 possible outcomes: 000 = 0, 001 = 1, 010 = 2, 011 = 3 100 = 4, 101 = 5, 110 = 6, 111 = 7 We can reduce the size of the outcome set to exactly 6 by taking the value modulo 6, however this presents the modulo bias problem: 110 yields a 0, and 111 yields...
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Best practices for catching and re-throwing .NET exceptions

... edited Sep 23 '17 at 13:06 LW001 1,70944 gold badges1818 silver badges2525 bronze badges answered Aug 22 '08 at 15:13 ...
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?

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How to use QueryPerformanceCounter?

...e StartCounter() was last called as a double, so if GetCounter() returns 0.001 then it has been about 1 microsecond since StartCounter() was called. If you want to have the timer use seconds instead then change PCFreq = double(li.QuadPart)/1000.0; to PCFreq = double(li.QuadPart); or if you wa...