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Difference between == and === in JavaScript [duplicate]
What is the difference between == and === in JavaScript? I have also seen != and !== operators. Are there more such operators?
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Covariance, Invariance and Contravariance explained in plain English?
Today, I read some articles about Covariance, Contravariance (and Invariance) in Java. I read the English and German Wikipedia article, and some other blog posts and articles from IBM.
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Best GWT widget library? [closed]
...the GWT gurus out there - which is the best GWT widgets library out there? And why?
27 Answers
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Difference between git pull and git pull --rebase
I started using git sometime back and do not fully understand the intricacies. My basic question here is to find out the difference between a git pull and git pull --rebase , since adding the --rebase option does not seem to do something very different : just does a pull.
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Can Android Studio be used to run standard Java projects?
For those times when you want to isolate the Java and give it a quick test..
13 Answers
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Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine
Like everyone else, I need to test my code on Internet Explorer 6 and Internet Explorer 7. Now Internet Explorer 8 has some great tools for developer, which I'd like to use. I'd also like to start testing my code with Internet Explorer 8, as it will soon be released.
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Expression Versus Statement
...something") was enshrined in syntax: one kind of phrase was an expression, and another was a statement, and the parser could tell them apart.
Designers of later languages blurred the distinction: they allowed syntactic expressions to do things, and they allowed syntactic statements that had values....
what is the difference between a portlet and a servlet?
I am asked to work on portlets and portals.
5 Answers
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Why would one use the Publish/Subscribe pattern (in JS/jQuery)?
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It’s all about loose coupling and single responsibility, which goes hand to hand with MV* (MVC/MVP/MVVM) patterns in JavaScript which are very modern in the last few years.
Loose coupling is an Object-oriented principle in which each component of the sys...
What is the difference between ApplicationContext and WebApplicationContext in Spring MVC?
What is the difference between Application Context and Web Application Context?
5 Answers
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