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C++ error: undefined reference to 'clock_gettime' and 'clock_settime'

... @puk Try putting -lrt after main.cpp - order of shared libraries matter - see this or that for more details – Dmitry Yudakov Dec 2 '13 at 11:02 ...
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What does `unsigned` in MySQL mean and when to use it?

...enting the 'sizes' of things, like the quantity of a particular item on an order, or the distance between two locations, will typically be unsigned – SingleNegationElimination Oct 9 '10 at 4:28 ...
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Difference between applicationContext.xml and spring-servlet.xml in Spring Framework

...ns defined in springweb-servlet.xml are instantiated. So the instantiation order is: the root (application context), then FrameworkServlet. Now it should be clear why they are important in which scenario. share | ...
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Why does modern Perl avoid UTF-8 by default?

...gs a whole lot more than I think you have. As just one example, canonical ordering is going to cause some real headaches. ????"\x{F5}" ‘õ’, "o\x{303}" ‘õ’, "o\x{303}\x{304}" ‘ȭ’, and "o\x{304}\x{303}" ‘ō̃’ should all match ‘õ’, but how in the world are you going to do that...
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Match whitespace but not newlines

...JOINER, and ZERO WIDTH NON-BREAKING SPACE (if it used as other than a byte-order mark) fit the whitespace rule in my book. Therefore, I include them in my horizontal whitespace character class. In Java: static public final String HORIZONTAL_WHITESPACE = "[\\p{Blank}\\u200B\\u2060\\uFFEF]" ...
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How to convert a string to lower or upper case in Ruby

... You can find out all the methods available on a String by opening irb and running: "MyString".methods.sort And for a list of the methods available for strings in particular: "MyString".own_methods.sort I use this to find out new and int...
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In pure functional languages, is there an algorithm to get the inverse function?

...x,-x]) [1..] will work, as this runs through the integers in the following order [0,1,-1,2,-2,3,-3, and so on]. Indeed inv (0 : concatMap (\x -> [x,-x]) [1..]) (+1) (-3) promptly returns -4! The Control.Monad.Omega package can help you run through lists of tuples etcetera in a good way; I'm sure...
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What's wrong with nullable columns in composite primary keys?

... In order for a foreign key to work the refered must be unique (ie. all values must be distinct). Which means that it could have a single null value. All the null values could then refer to that single null if the REFERENCES woul...
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Count table rows

...t..." in the SQL, does it use $results->num_rows, or is there a way to call this result directly? – Nosajimiki Apr 24 '17 at 19:26  |  show...
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jQuery - Detect value change on hidden input field

... It is possible to use Object.defineProperty() in order to redefine the 'value' property of the input element and do anything during its changing. Object.defineProperty() allows us to define a getter and setter for a property, thus controlling it. replaceWithWrapper($("#hi...