大约有 3,616 项符合查询结果(耗时:0.0311秒) [XML]

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Difference between CouchDB and Couchbase

...uments) and 'out-of-box' REST endpoints compared to CouchDB, CouchBase has sql like language i.e. N1QL ( sometimes pronounced a Nickel). This is one of the reason why I don't really like / recommend using the term 'NoSQL'. I personally like term 'Non-relational'. ...
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Optimise PostgreSQL for fast testing

I am switching to PostgreSQL from SQLite for a typical Rails application. 2 Answers 2 ...
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Is either GET or POST more secure than the other?

... be covered in a single answer. You need to use HTTPS, HSTS, CSP, mitigate SQL injection, script injection (XSS), CSRF, and a gazillion of other things that may be specific to your platform (like the mass assignment vulnerability in various frameworks: ASP.NET MVC, Ruby on Rails, etc.). There is no ...
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Where do you store your salt strings?

...rks as long as it stays secret (opposite to the salt). A typical attack is SQL-injection, when someone gains access to the database but not to the code, a pepper stored in the database will be useless then. Most BCrypt implementations will add the salt automatically to the resulting hash-value, so t...
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What are some (concrete) use-cases for metaclasses?

...with it. For other real-world examples, take a look at various ORMs, like sqlalchemy's ORM or sqlobject. Again, the purpose is to interpret defintions (here SQL column definitions) with a particular meaning. share ...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

... doesn't shuffle and doesn't use HashPartitioner. import org.apache.spark.sql.SparkSession /* Note: standalone (non-local) mode */ val master = "spark://...:7077" val spark = SparkSession.builder.master(master).getOrCreate() /* Note: deterministic order */ val rdd = sc.parallelize(Seq("a", "b"...
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PHP parse/syntax errors; and how to solve them

... statement and variable. ⇓ if ($var = pdo_query($sql) { $result = … The curly { brace does not open the code block, without closing the if expression with the ) closing parenthesis first. Else does not expect conditions ⇓ else ($var >= 0) Solution: Remo...
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What is the best way to compute trending topics or tags?

... For anyone who would like it, I now have SQL queries to do this. – thouliha Feb 8 '16 at 13:42 1 ...
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What does Expression.Quote() do that Expression.Constant() can’t already do?

... wants to process expression trees into some other query language (such as SQL) could look out for a ConstantExpression with type Expression instead of a UnaryExpression with the special Quote node type, and everything else would be the same. You are correct. We could encode semantic information t...
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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?

...use it talks directly to the database. Any slowness will come from complex SQL queries and un-indexed foreign keys and other such problems. I've never noticed any slowness in searching either. I'm a Rails guy, so I've no idea how easy it is to implement with Django. There is a Python API that comes ...