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Difference between >>> and >>

... 421 >> is arithmetic shift right, >>> is logical shift right. In an arithmetic shift...
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How to determine the first and last iteration in a foreach loop?

...s $item) { if ($i == 0) { // first } else if ($i == $len - 1) { // last } // … $i++; } share | improve this answer | follow ...
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How do I create directory if none exists using File class in Ruby?

... 154 You can use FileUtils to recursively create parent directories, if they are not already presen...
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How to open, read, and write from serial port in C?

... serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1. 2 Answers ...
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Overload constructor for Scala's Case Classes?

... 190 Overloading constructors isn't special for case classes: case class Foo(bar: Int, baz: Int) {...
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How can I use jQuery to make an input readonly?

... 13 Answers 13 Active ...
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How do I log ALL exceptions globally for a C# MVC4 WebAPI app?

...tpStatusCode.Unauthorized: Response.Redirect("/Http/Error401"); break; // TODO: don't forget that here you have many other status codes to test // and handle in addition to 401. } else { // It was not an Ht...
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Is there a Subversion command to reset the working copy?

... 180 You can recursively revert like this: svn revert --recursive . There is no way (without writ...
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if arguments is equal to this string, define a variable like this string

... Don't forget about spaces: source="" samples=("") if [ $1 = "country" ]; then source="country" samples="US Canada Mexico..." else echo "try again" fi share | improve this...
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Find index of last occurrence of a sub-string using T-SQL

...ons found elsewhere work only so long as the text you are searching for is 1 character long. 22 Answers ...