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Entity Attribute Value Database vs. strict Relational Model Ecommerce
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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 ...
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...
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...
Hex transparency in colors [duplicate]
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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%...
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);
...
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...
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]
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You should try
if (row.Table.Columns.Contains("US_OTHERFRIEND"))
I don't believe that row has a columns property itself.
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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
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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
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