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ruby on rails f.select options with custom attributes
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This is not possible directly with Rails, and you'll have to create your own helper to create the custom attributes. That said, there are probably two different ways to accomplish what you want:
(1) Using a custom attribute name in HTML5. In HTML5 you are allowed to...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...nly accept CONSTRAINTs to be added, not indexes. The fact that primary key and unique constraints are implemented in terms of an index is a side effect. To manage indexes, you have CREATE/ALTER/DROP INDEX, as you are well aware.
Why do you have a such a requirement as to add non-unique-non-clustere...
List of standard lengths for database fields
I'm designing a database table and once again asking myself the same stupid question: How long should the firstname field be?
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how to mysqldump remote db from local machine
... like to use the mysqldump on my machine to connect to the remote database and do the dump on my machine.
4 Answers
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Hiding user input on terminal in Linux script
... answered Nov 30 '10 at 17:46
Andreas WongAndreas Wong
53.4k1818 gold badges9898 silver badges118118 bronze badges
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How to iterate over arguments in a Bash script
I have a complex command that I'd like to make a shell/bash script of. I can write it in terms of $1 easily:
8 Answers
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...grated a solution that is currently targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5
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Curly braces in string in PHP
...write the
expression the same way as it would appear outside the string, and
then wrap it in { and }. Since { can not be escaped, this syntax
will only be recognised when the $ immediately follows the {. Use
{\$ to get a literal {$. Some examples to make it clear:
<?php
// Show all error...
Mongodb Explain for Aggregation framework
...t, $geonear at the beginning of a pipeline) as well as subsequent $lookup and $graphLookup stages. Once data has been fetched into the aggregation pipeline for processing (e.g. passing through stages like $project, $unwind, and $group) further manipulation will be in-memory (possibly using temporar...
No Multiline Lambda in Python: Why not?
...r syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that I know the language pretty well, this surprised me.
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