大约有 3,554 项符合查询结果(耗时:0.0170秒) [XML]

https://stackoverflow.com/ques... 

Types in MySQL: BigInt(20) vs Int(20)

... See http://dev.mysql.com/doc/refman/8.0/en/numeric-types.html INT is a four-byte signed integer. BIGINT is an eight-byte signed integer. They each accept no more and no fewer values than can be stored in their respective number of byte...
https://stackoverflow.com/ques... 

phpunit mock method multiple calls with different arguments

...is class has method called "Query ( string $query )", that method takes an SQL query string on input. Can I create mock for this class (DB) and set different return values for different Query method calls that depends on input query string? ...
https://stackoverflow.com/ques... 

Decompressing GZip Stream from HTTPClient Response

... dataset into a table with columns that were mapped to the JSON I utilized SQL bulk copy and the following class public class insert { public static string insertCategories(DataTable table) { SqlConnection objConnection = new SqlConnection(); //As specified in the Ap...
https://stackoverflow.com/ques... 

How to build Qt for Visual Studio 2010

... This is great, but I would add -qt-sql-sqlite to the configure flags if you don't want to have problems with your custom-built Qt Assistant. Seems like it needs this plugin to read the documentation databases successfully. – neuviemeporte...
https://stackoverflow.com/ques... 

How do I join two SQLite tables in my Android application?

...valueOf(propertyId)}); Use ? bindings instead of putting values into raw sql query. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Count, size, length…too many choices in Ruby?

... work. post.comments.count - Determine the number of elements with an SQL COUNT query. You can also specify conditions to count only a subset of the associated elements (e.g. :conditions => {:author_name => "josh"}). If you set up a counter cache on the association, #count will re...
https://stackoverflow.com/ques... 

What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association

...in physical information duplication (column name) along with not optimized SQL query that will produce some additional UPDATE statements. According to documentation: Since many to one are (almost) always the owner side of a bidirectional relationship in the JPA spec, the one to many association is...
https://stackoverflow.com/ques... 

What is the best way to implement nested dictionaries?

... @jason Depending on the data, I like to use JSON, csv files, or even a sqlite database to store it. – nosklo Feb 12 '19 at 6:37 ...
https://www.tsingfun.com/ilife/tech/545.html 

2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术

...作为Hadoop的三剑客,一些运维领域,mangodb,couchbase都是nosql的代表,作为服务领域AWS和Google BigQuery剑拔弩张,在传统数据库,Oracle收购了MySQL,DB2老牌银行专用,Teradata做了多年数据仓库。上面的Apps更多, 比如社交消费领域Google...
https://stackoverflow.com/ques... 

Why JSF saves the state of UI components on server?

...mory in flavor of a session scoped bean where Java is been used instead of SQL to filter/group/arrange the records. With ~1000 records, that would easily go over 10MB per user session. share | impro...