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How do I check if an index exists on a table field in MySQL?

... 10 Answers 10 Active ...
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GCD to perform task in main thread

...read?’ – user557219 Dec 18 '11 at 10:17 7 You DO, however, need to check if you use dispatch_sy...
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console.writeline and System.out.println

...g[] args) { String[] data = { "\u250C\u2500\u2500\u2500\u2500\u2500\u2510", "\u2502Hello\u2502", "\u2514\u2500\u2500\u2500\u2500\u2500\u2518" }; for (String s : data) { System.out.println(s); } for (String s : data) { System.console().writer().println(s);...
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close vs shutdown socket?

... answered Nov 11 '10 at 23:39 Matthew FlaschenMatthew Flaschen 246k4343 gold badges477477 silver badges521521 bronze badges ...
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Possible heap pollution via varargs parameter

... | edited Jan 27 '19 at 10:21 answered Sep 17 '12 at 15:16 ...
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How can I get the current language in Django?

... answered Jul 28 '10 at 20:19 micha480micha480 1,53211 gold badge99 silver badges33 bronze badges ...
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Global and local variables in R

...ope of variables. For instance, in the following code snippet: if (x > 10) { y <- 0 } else { y <- 1 } y remains accessible after the if-else statement. As you well say, you can also create nested environments. You can have a look at these two links for understanding how to use t...
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“continue” in cursor.forEach()

... 10 @Drag0 You can use .some() as a replacement for .forEach(), which enables you to return false to break the loop. – An...
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Multiline for WPF TextBox

... answered Apr 16 '10 at 2:47 itowlsonitowlson 69.4k1414 gold badges148148 silver badges148148 bronze badges ...
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Coding Practices which enable the compiler/optimizer to make a faster program

...ects either. – Michael Burr Jan 15 '10 at 23:18 Most IDEs display local variables by default, so there is less typing ...