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What's the difference between integer class and numeric class in R

...ouble precision floating point numbers) and integer. R will automatically convert between the numeric classes when needed, so for the most part it does not matter to the casual user whether the number 3 is currently stored as an integer or as a double. Most math is done using double precision, so ...
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Modulo operation with negative numbers

...Currently (well, GCC 5.2) the compiler seems to think that "%" returns an "int" in this case, rather than "unsigned" even when both operands are uint32_t or bigger. – Frederick Nord Sep 24 '16 at 14:56 ...
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PHPMailer character encoding issues

...an use utf8_encode as David says. Otherwise use mb_detect_encoding and mb_convert_encoding on $message. Also take note that $mail -> charSet = "UTF-8"; Should be replaced by: $mail->CharSet = 'UTF-8'; And placed after the instantiation of the class (after the new). The properties are ...
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When to use %r instead of %s in Python? [duplicate]

... The %s specifier converts the object using str(), and %r converts it using repr(). For some objects such as integers, they yield the same result, but repr() is special in that (for types where this is possible) it conventionally returns a re...
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How to view files in binary from bash?

...comfortable with hex just locate the bytes in which you are interested and convert them using a hex calculator. – Duck Nov 19 '09 at 18:38 3 ...
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How does the Java 'for each' loop work?

...e.iterator(); i.hasNext();) { String item = i.next(); System.out.println(item); } Note that if you need to use i.remove(); in your loop, or access the actual iterator in some way, you cannot use the for ( : ) idiom, since the actual iterator is merely inferred. As was noted by Denis Bueno...
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What's the difference between IQueryable and IEnumerable

...like LINQ-to-SQL to exist because they can parse the expression tree and convert it into equivalent SQL. And because the provider doesn't need to execute until the IQueryable is enumerated (it implements IEnumerable<T>, after all), it can combine multiple query operators (in the above exampl...
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Two-dimensional array in Swift

... Define mutable array // 2 dimensional array of arrays of Ints var arr = [[Int]]() OR: // 2 dimensional array of arrays of Ints var arr: [[Int]] = [] OR if you need an array of predefined size (as mentioned by @0x7fffffff in comments): // 2 dimensional array of arrays of I...
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Can an Android Toast be longer than Toast.LENGTH_LONG?

..._DELAY); } and default values for duration are private static final int LONG_DELAY = 3500; // 3.5 seconds private static final int SHORT_DELAY = 2000; // 2 seconds share | improve this answe...
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TimePicker Dialog from clicking EditText

...ub Calendar mcurrentTime = Calendar.getInstance(); int hour = mcurrentTime.get(Calendar.HOUR_OF_DAY); int minute = mcurrentTime.get(Calendar.MINUTE); TimePickerDialog mTimePicker; mTimePicker = new TimePickerDialog(AddReminder.this, new Tim...