大约有 3,616 项符合查询结果(耗时:0.0311秒) [XML]
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'.
...
Optimise PostgreSQL for fast testing
I am switching to PostgreSQL from SQLite for a typical Rails application.
2 Answers
2
...
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 ...
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...
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
...
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"...
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...
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
...
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...
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 ...