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How do you clone an Array of Objects in Javascript?

...nd if you've got a circle, it'll keep going infinitely until the browser faints. If the data structure cannot be represented as a directed acyclic graph, then I'm not sure you're going to be able to find an all-purpose method for deep cloning. Cyclic graphs provide many tricky corner cases, and si...
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What is a “translation unit” in C++

...eprocessing statements. A single translation unit can be compiled into an object file, library, or executable program. The notion of a translation unit is most often mentioned in the contexts of the One Definition Rule, and templates. ...
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Removing item from vector, while in C++11 range 'for' loop?

...or (MyVector::iterator b = v.begin(), e = v.end(); b != e;) you will run into UB since your e is invalidated after the first erase call. share | improve this answer | follo...
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Why can I throw null in Java? [duplicate]

... It looks like it's not that null is treated as a NullPointerException, but that the act of attempting to throw null itself throws a NullPointerException. In other words, throw checks that its argument is nonnull, and if it is null, it throws a NullPointerException. JLS 14.18 ...
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Fundamental difference between Hashing and Encryption algorithms

...Interviewer wanted the below answer. Hashing is one way . You can not get convert your data/ string from a hash code. Encryption is 2 way - you can decrypt again the encrypted string if you have the key with you. share ...
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Which annotation should I use: @IdClass or @EmbeddedId

...ach is its ability to “hide” the use of the primary key class from the interface of the enclosing entity. The @IdClass annotation takes a value parameter of Class type, which must be the class to be used as the compound primary key. The fields that correspond to the properties of the primary key...
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What is JNDI? What is its basic use? When is it used?

... What is JNDI ? It stands for Java Naming and Directory Interface. What is its basic use? JNDI allows distributed applications to look up services in an abstract, resource-independent way. When it is used? The most common use case is to set up a database connection po...
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How to access the ith column of a NumPy multidimensional array?

...access the data while test[:, [0, 2]][:, [0, 1]] does not? It seems very unintuitive that doing the same thing again has a diffrent outcome. – mapf Apr 27 at 7:53 add a commen...
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Using Auto Layout in UITableView for dynamic cell layouts & variable row heights

...tent and subviews determine the row height (itself/automatically), while maintaining smooth scrolling performance? 28 Answe...
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Path.Combine for URLs?

... @Brian: if it helps, all TryXXX methods (int.TryParse, DateTime.TryParseExact) have this output param to make it easier to use them in an if-statement. Btw, you don't have to initialize the variable as Ryan did in this example. – Abel ...