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List of Rails Model Types
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You can use the following basic field types in model scaffolding, all are supported in ActiveRecord supported databases without any extra gem (MySQL, PostgreSQL, SQLite):
:binary
:boolean
:date
:datetime
:decimal
:float
:integer
:primary_key
:string
:text
:time
:timestamp
In the scaffol...
jQuery selector for inputs with square brackets in the name attribute
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I am not able to select (coincidentally a select tag) <select name="foo[bar]"> using $('select[name=foo\\[bar\\]]') however I am able to do so using $('select[name="foo[bar]"]), you second suggestion.
– Frank Nocke
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Import Maven dependencies in IntelliJ IDEA
I have a small question about IntelliJ IDEA 11. I just imported a project from subversion - its a maven project. But I have a problem in maven library dependencies so that I can't include all maven dependencies automatically - IDEA shows dependency errors only when I open that class/ Thats what I ge...
Is there a way to list open transactions on SQL Server 2000 database?
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For all databases query sys.sysprocesses
SELECT * FROM sys.sysprocesses WHERE open_tran = 1
For the current database use:
DBCC OPENTRAN
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Side-by-side plots with ggplot2
...wilke below and this vignette for an equivalent approach; but the function allows finer controls on plot location and size, based on this vignette.
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Remove element by id
...].map(n => n && n.remove());
These functions are available in all modern browsers (not IE). Read more on MDN.
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Entity Framework and SQL Server View
...sabanito I think it parses the definition. that is why you need to specifically wrap the key properties in IsNull(). I have a view that does not return any nulls (and can not return any nulls) but because of the way the logic was written, EF could not determine that that was the case until I wrapped...
Size of character ('a') in C/C++
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In C, the type of a character constant like 'a' is actually an int, with size of 4 (or some other implementation-dependent value). In C++, the type is char, with size of 1. This is one of many small differences between the two languages.
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Generate Java class from JSON?
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I've recently started a new open source project specifically intended to solve your problem: jsonschema2pojo. The jsonschema2pojo tool takes a json schema document and generates DTO-style Java classes (in the form of .java source files). The project is not yet mature but already p...
Generating an Excel file in ASP.NET [closed]
... am about to add a section to an ASP.NET app (VB.NET codebehind) that will allow a user to get data returned to them as an Excel file, which I will generate based on database data. While there are several ways of doing this, each has its own drawbacks. How would you return the data? I'm looking...