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What columns generally make good indexes?
...e column.
They will not be useful if:
You are selecting a large % (>10-20%) of the rows in the table
The additional space usage is an issue
You want to maximize insert performance. Every index on a table reduces insert and update performance because they must be updated each time the data ch...
How do I match any character across multiple lines in a regular expression?
...
101
The question is, can . pattern match any character? The answer varies from engine to engine. T...
What is difference between XML Schema and DTD?
...
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edited Oct 10 '09 at 14:40
answered Oct 9 '09 at 15:01
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How to get the current time in Python
...eful to a lot of people.
– John
Jan 10 at 20:09
2
The fact that 440 people were looking for conte...
Python 3.x rounding behavior
...
dawgdawg
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...
Relative URLs in WordPress
...
cweiske
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answered Aug 29 '13 at 16:54
brasofilobrasofilo
...
How do I mock an open used in a with statement (using the Mock framework in Python)?
...ule.
– Michele d'Amico
Jan 8 '18 at 10:31
1
How do you find the correct name to patch? I.e. how d...
How can I generate random alphanumeric strings?
...urity.
– CodesInChaos
Oct 21 '13 at 10:14
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SQLite UPSERT / UPDATE OR INSERT
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Mark A. Donohoe
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answered Jun 6 '18 at 11:10
prapinprapin
...
Why does overflow:hidden not work in a ?
...ox;
}
table {
table-layout: fixed;
border-collapse: collapse;
width: 100%;
max-width: 100px;
}
td {
background: #F00;
padding: 20px;
overflow: hidden;
white-space: nowrap;
width: 100px;
border: solid 1px #000;
}
<table>
<tbody>
<tr>
<td>
...