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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
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I created a small JS lib named WebSqlSync to synchronize a local WebSql DB with a server (client <-> server). Very easy to use and to integrate in your code :
https://github.com/orbitaloop/WebSqlSync
The open source project QuickConnect contains a J...
Good PHP ORM Library?
...nd a base model. It works with all major PDO-supported database engines: MySQL, SQLite, SQL Server/Sybase, Oracle, PostgreSQL, etc.
/* SQL */
CREATE TABLE products (
product_id INTEGER,
description VARCHAR(128),
PRIMARY KEY (product_id)
);
/* PHP */
// Create
$product=new Axon('produc...
Best data type for storing currency values in a MySQL database
What is the best SQL data type for currency values? I'm using MySQL but would prefer a database independent type.
9 Answer...
Entity Framework 4 / POCO - Where to start? [closed]
I've been programming for a while and have used LINQ-To-SQL and LINQ-To-Entities before (although when using entities it has been on a Entity/Table 1-1 relationship - ie not much different than L2SQL)
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How do I insert NULL values using PDO?
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I had trouble with PDO::PARAM_NULL on MySql 5.1.53, but PDO::PARAM_INT with a null value worked great.
– Will Shaver
Dec 5 '11 at 19:33
2
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A type for Date only in C# - why is there no Date type?
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And their own SQL Server have Date type and result must be of type Date - if it was Date type result expected as string without time. For example Delphi also have Date as DateTime, but typeinfo different for Date and DateTime.
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Join vs. sub-query
I am an old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
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With MySQL, how can I generate a column containing the record index in a table?
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@smhnaji MySQL requires that every "derived table" is given a name. I decided to call it "r" :) ... It has little purpose in this case, but you'd normally use it to reference attributes of the derived table, as if it was a real table.
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...家看看那一排是我们的高层管理者，其实他们都很年轻，包括James也是一张年轻的脸，每个深身上都有很独特的青春气息，这是非常难得的，这种就是年轻，就是热血。不知道有多少同学刚刚加入滴滴半年的时间，恭喜你们，你...
How to think in data stores instead of databases?
...e the sort of query that looks good on paper but is atrociously slow in an SQL database.
In terms of how to change how you represent data, the most important thing is precalculation. Instead of doing joins at query time, precalculate data and store it in the datastore wherever possible. If you want ...