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What is a raw type and why shouldn't we use it?

...MyType<E> is a parameterized type (JLS 4.5). It is common to colloquially refer to this type as simply MyType for short, but technically the name is MyType<E>. mt has a raw type (and generates a compilation warning) by the first bullet point in the above definition; inn also has a raw ty...
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How to assign the output of a Bash command to a variable? [duplicate]

... In this specific case, note that bash has a variable called PWD that contains the current directory: $PWD is equivalent to `pwd`. (So do other shells, this is a standard feature.) So you can write your script like this: #!/bin/bash until [ "$PWD" = "/" ]; do echo "$PWD" ls ...
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How many database indexes is too many?

...oject with a rather large Oracle database (although my question applies equally well to other databases). We have a web interface which allows users to search on almost any possible combination of fields. ...
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URL to load resources from the classpath in Java

In Java, you can load all kinds of resources using the same API but with different URL protocols: 14 Answers ...
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close vs shutdown socket?

...both sending and receiving (like close). However, close is the way to actually destroy a socket. With shutdown, you will still be able to receive pending data the peer already sent (thanks to Joey Adams for noting this). s...
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.war vs .ear file

...are packaged as a JAR file with .war (web archive) extension EAR: All the above files (.jar and .war) are packaged as a JAR file with .ear (enterprise archive) extension and deployed into Application Server. share ...
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Difference between a virtual function and a pure virtual function [duplicate]

... class. Derived classes can override virtual functions. Virtual functions called through base class pointers/references will be resolved at run-time. That is, the dynamic type of the object is used instead of its static type: Derived d; Base& rb = d; // if Base::f() is virtual and Derived o...
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CSS “and” and “or”

... Are we really still concerned with supporting older versions of IE in 2018? Not even Microsoft does. – Anomaly Mar 15 '18 at 12:18 ...
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Unrecognized SSL message, plaintext connection? Exception

... you. You can do the same yourself. Indeed HttpURLConnection will automatically do it for you, if you don't specify a port at all. – Marquis of Lorne Jun 9 '14 at 23:54 ...
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What is the difference between and ?

... I really don't know what you mean. “In the site”: which site? “…to make it work”: what does ‘work’ mean? What's the intended rendering? – Marcel Korpel Jul 30 '10 at 11:19 ...