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Swapping two variable value without using third variable

...ation, when one is set to 0, both are set to 0. When both *x and *y are 0, all other xor operations on *x and *y will equal 0 (as they are the same), which means that the function will set both *x and *y set to 0. If they have the same values but not the same memory location, everything works as ex...
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Does Java SE 8 have Pairs or Tuples?

..., value[i]) , then filter based on the second value[i] element, and finally output just the indices. 9 Answers ...
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Android SDK on a 64-bit linux machine

... Yes, it is. You need to install the ia32 libraries. Check out the Ubuntu Linux troubleshooting section. apt-get install ia32-libs apt-get install sun-java6-jdk share ...
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How to make a .jar out from an Android Studio project

...Jar.dependsOn(deleteJar, build) Expand gradle panel from right and open all tasks under yourlibrary->others. You will see two new tasks there -- createJar and deleteJar Double click on createJar Once the task run successfully, get your generated jar from path mentioned in createJar task i.e....
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How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]

How to open a URL in new tab instead of new window programatically? 6 Answers 6 ...
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Repeat string to certain length

... that need to be // in Python 3? Or dropping the +1 and using an explicit call to a ceiling function would suffice. Also, a note: the string generated actually has an extra repetition when it divides evenly; the extra gets cut off by the splice. That confused me at first. – jpm...
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Python, creating objects

... = "" age = 0 major = "" # The class "constructor" - It's actually an initializer def __init__(self, name, age, major): self.name = name self.age = age self.major = major def make_student(name, age, major): student = Student(name, age, major) return...
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Mongoose, Select a specific field with find

... I think .select just is a filter to choose field after you get all of that, my recommendation is to use .find({}, 'name -_id') – hong4rc Mar 2 '19 at 16:15 ...
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Best practices with STDIN in Ruby?

...ARGF is your friend when it comes to input; it is a virtual file that gets all input from named files or all from STDIN. ARGF.each_with_index do |line, idx| print ARGF.filename, ":", idx, ";", line end # print all the lines in every file passed via command line that contains login ARGF.each do...
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Comparing strings with == which are declared final in Java

...nal and initialized with a compile-time constant expression (§15.28), is called a constant variable. Also from JLS §15.28 - Constant Expression: Compile-time constant expressions of type String are always "interned" so as to share unique instances, using the method String#intern(). This ...