大约有 42,000 项符合查询结果(耗时:0.0654秒) [XML]

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The definitive guide to form-based website authentication [closed]

...tion. The sections below will deal with patterns for sound practical auth, and how to avoid the most common security pitfalls. To HTTPS or not to HTTPS? Unless the connection is already secure (that is, tunneled through HTTPS using SSL/TLS), your login form values will be sent in cleartext, which al...
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What is Dependency Injection and Inversion of Control in Spring Framework?

"Dependency Injection" and "Inversion of Control" are often mentioned as the primary advantages of using the Spring framework for developing Web frameworks ...
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What's the difference between an inverted index and a plain old index?

... two types denote directionality. One takes you forward through the index, and the other takes you backward (the inverse) through the index. That's it. There's no mystery to uncover here. Otherwise the two types are identical, it's just a question of what information you have, and as a result what ...
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Why does NULL = NULL evaluate to false in SQL server

... in a where clause, it always evaluates to false. This is counterintuitive and has caused me many errors. I do understand the IS NULL and IS NOT NULL keywords are the correct way to do it. But why does SQL server behave this way? ...
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Difference between innerText, innerHTML, and childNodes[].value?

What is the difference between innerHTML , innerText and childNodes[].value in JavaScript? 11 Answers ...
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Good MapReduce examples [closed]

...data efficiently. For example, if we have 1 million records in a dataset, and it is stored in a relational representation - it is very expensive to derive values and perform any sort of transformations on these. For Example In SQL, Given the Date of Birth, to find out How many people are of age &...
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What's the difference between & and && in MATLAB?

What is the difference between the & and && logical operators in MATLAB? 7 Answers ...
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What are good alternatives to SQL (the language)? [closed]

I occasionally hear things about how SQL sucks and it's not a good language, but I never really hear much about alternatives to it. So, are other good languages that serve the same purpose (database access) and what makes them better than SQL? Are there any good databases that use this alternative l...
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Difference between Hive internal tables and external tables?

Can anyone tell me the difference between Hive's external table and internal tables. I know the difference comes when dropping the table. I don't understand what you mean by the data and metadata is deleted in internal and only metadata is deleted in external tables. Can anyone explain me in terms o...
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Why no love for SQL? [closed]

I've heard a lot lately that SQL is a terrible language, and it seems that every framework under the sun comes pre-packaged with a database abstraction layer. ...