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Difference between a Structure and a Union
Is there any good example to give the difference between a struct and a union ?
Basically I know that struct uses all the memory of its member and union uses the largest members memory space. Is there any other OS level difference?
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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....
INNER JOIN ON vs WHERE clause
... easier to see this with the WHERE syntax.
As for your example, in MySQL (and in SQL generally) these two queries are synonyms.
Also note that MySQL also has a STRAIGHT_JOIN clause.
Using this clause, you can control the JOIN order: which table is scanned in the outer loop and which one is in the...
将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网
...rgraduate Advanced Project in the MIT Department of Electrical Engineering and Computer Science. Funding to support this work was provided by Google ATAP
Introduction
App Inventor is a visual “blocks” based language for programming Android apps. It gives users the ability to easily learn, crea...
Dynamically replace the contents of a C# method?
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Disclosure: Harmony is a library that was written and is maintained by me, the author of this post.
Harmony 2 is an open source library (MIT license) designed to replace, decorate or modify existing C# methods of any kind during runtime. It main focus is games and plugins ...
What is a domain specific language? Anybody using it? And in what way?
I guess I am looking for some kind of intro and see if anybody have used it. Are there any particular advantages of using it?
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How to use Sublime over SSH
...trying to use Sublime Text 2 as an editor when I SSH in to my work server, and I'm stumped. I found this http://urbangiraffe.com/2011/08/13/remote-editing-with-sublime-text-2/ (among many other posts) that looks like it might help, but I don't follow it exactly, particularly with what values I sh...
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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What in the world are Spring beans?
I am yet to find a high-level definition of Spring beans that I can understand. I see them referenced often in Grails documentation and books, but I think that understanding what they are would be beneficial. So what are Spring beans? How can they be used? Do they have something to do with Dependenc...
What is the best practice for “Copy Local” and with project references?
I have a large c# solution file (~100 projects), and I am trying to improve build times. I think that "Copy Local" is wasteful in many cases for us, but I am wondering about best practices.
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