大约有 6,100 项符合查询结果(耗时:0.0225秒) [XML]

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Entity Attribute Value Database vs. strict Relational Model Ecommerce

... What if you had a single table with indexes for text values 1-n, then in C# (in ram) map what you want to what you need. It would still work like an EAV, but the "matches" would be domain models. Sort of like a serialization, but you could use SQL ...
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What is hashCode used for? Is it unique?

...n index for an object in a collection. The GetHashCode method is suitable for use in hashing algorithms and data structures such as a hash table. The default implementation of the GetHashCode method does not guarantee unique return values for different objects. Furthermore, the .NE...
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Is it possible to force Excel recognize UTF-8 CSV files automatically?

...nsion XLS you will get the correct result. Content of UTF8 XLS file: <table> <tr><td>Colum1</td><td>Column2</td></tr> <tr><td>Val1</td><td>Val2</td></tr> <tr><td>Авиабилет</td><td>Tλλη...
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Hex transparency in colors [duplicate]

... Here's a correct table of percentages to hex values. E.g. for 50% white you'd use #80FFFFFF. 100% — FF 95% — F2 90% — E6 85% — D9 80% — CC 75% — BF 70% — B3 65% — A6 60% — 99 55% — 8C 50% — 80 45% — 73 40% — 66 35%...
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PHP: exceptions vs errors?

... ul.code li.line { color : red; } table.trace { width : 100%; border-collapse : collapse; border : solid 1px black; } table.thead tr { background : rgb(240,240,240); ...
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不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...0/09/14/1826234.html 知识准备 一、原理说明 1、路由表(table)从0到255进行编号,每个编号可以对应一个别名,编号和别名的对应关系在linux下放在/etc/iproute2/rt_tables这个文件里,一般0编号 的table对应的别名为upspec,255编号对应...
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How do you list all triggers in a MySQL database?

...ll triggers is: show triggers; or you can access the INFORMATION_SCHEMA table directly by: select trigger_schema, trigger_name, action_statement from information_schema.triggers You can do this from version 5.0.10 onwards. More information about the TRIGGERS table is here. ...
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Check if DataRow exists by column name in c#? [duplicate]

... You should try if (row.Table.Columns.Contains("US_OTHERFRIEND")) I don't believe that row has a columns property itself. share | improve this an...
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count(*) vs count(column-name) - which is more correct? [duplicate]

...hich values of column is not NULL, whereas COUNT(*) counts all rows of the table. – PureSilence Oct 3 '19 at 7:49 add a comment  |  ...
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Is there a way to disable initial sorting for jquery DataTables?

I'm using the jquery DataTables plugin. From their documentation: 4 Answers 4 ...