大约有 37,000 项符合查询结果(耗时:0.0310秒) [XML]
Nearest neighbors in high-dimensional data?
...set of points in a high-dimensional space into a set of bins, i.e., a hash table [1][3]. But unlike traditional hashes, a locality-sensitive hash places nearby points into the same bin.
LSH has some huge advantages. First, it is simple. You just compute the hash for all points in your database, the...
Understanding Python's “is” operator
...ame integer object which is reused. Works in Python since integers are immutable. If you do x=1.0; y=1.0 or x=9999;y=9999, it won't be the same identity, because floats and larger ints aren't interned.
– Magnus Lyckå
Sep 21 '17 at 13:56
...
What is the difference between SQL, PL-SQL and T-SQL?
...
Correction: SQL is a language to operate on tables for which SQL itself provides the definition. The SQL Standard avoids the words 'set' and 'relation' and their derivatives. SQL tables are not sets.
– onedaywhen
Nov 25 '11 at 12:...
What is Full Text Search vs LIKE
...cument set {d1, d5, d9,.. dn} is returned.
You could hack a de-normalized table schema to store documents - each row in MySQL table will be considered as "document" and a TEXT column could contain a paragraph etc. The inverted index will contain the terms as hash keys and the row-ids as the documen...
How do I update an entity using spring-data-jpa?
...ries and possibly the query can be quite expensive since it may join other tables and load any collections that have fetchType=FetchType.EAGER
Spring-data-jpa supports update operation.
You have to define the method in Repository interface.and annotated it with @Query and @Modifying.
@Modifying
@Q...
jquery get all form elements: input, textarea & select
...on, sometimes this differs from children such as when the form tag is in a table and is not closed.
var summary = [];
$('form').each(function () {
summary.push('Form ' + this.id + ' has ' + $(this).find(':input').length + ' child(ren).');
summary.push('Form ' + this.id + ' has ' + th...
How to change the blue highlight color of a UITableViewCell?
I'm wondering how to change the blue highlight/selection color of a UITableViewCell , any ideas?
11 Answers
...
Get ID of last inserted document in a mongoDB w/ Java driver
...
This is insert operation:
DBCollection table1 = db.getCollection("Collection name");
BasicDBObject document = new BasicDBObject();
document.put("_id",value);
document.put("Name", name);
table1.insert(document);
After insert u get last inserted id:
DBColle...
Managing relationships in Laravel, adhering to the repository pattern
... design patterns in Laravel I found myself creating repositories for every table on the application.
4 Answers
...
How to grant remote access permissions to mysql server for user?
...FIED BY 'YOUR_PASS'
WITH GRANT OPTION;
FLUSH PRIVILEGES;
*.* = DB.TABLE you can restrict user to specific database and specific table.
'root'@'%' you can change root with any user you created and % is to allow all IP. You can restrict it by changing %.168.1.1 etc too.
If that doesn't ...
