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Rails: How to list database tables/objects using the Rails console?
...how the tables
.table
'.help' to see help.
Or use SQL statements like 'Select * from cars'
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Why isn't textarea an input[type=“textarea”]?
...uldn't be able to pre-populate it using a value attribute.
Similarly, the select element needs to be its own element to accommodate option sub-elements.
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Is it Linq or Lambda?
...= from item in _List
where item.Value == 1
select item;
This is also LINQ (using method syntax):
var _Results = _List.Where(x => x.Value == 1);
It's interesting to note that both of these flavors will end up producing the exact same code. The compiler offers y...
ASP.NET MVC HandleError
...iews, controllers and models in it and now it works. Didn't know about the selective views though.
– Boris Callens
Oct 10 '08 at 19:27
...
How to check if an object is a certain type
... Is there a performance difference between the two? - What about Select Case (Obj.GetType()) with multiple test cases Vs multiple IF TypeOf Obj is ...?
– Luke T O'Brien
May 22 '17 at 16:27
...
Entity Framework 4 - AddObject vs Attach
...m d in context.Destinations
where d.Name == "Grand Canyon"
select d).Single();
}
DeleteDestination(canyon);
}
private static void DeleteDestination(Destination destination)
{
using (var context = new BreakAwayContext())
{
context.Destinations.Attach(destinatio...
Edit the root commit in Git?
...t
Then the root commit will show up in the rebase TODO list, and you can select to edit or reword it:
reword <root commit sha> <original message>
pick <other commit sha> <message>
...
This is the explanation of --root from the Git rebase docs (emphasis mine):
Rebase ...
IntelliJ IDEA: Running a shell script as a Run/Debug Configuration
...part of Run/Debug Configuration that is called "Before Launch" and you can select your shell script in "Add External tool" option.
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Difference between float and decimal data type
...0,2), b float);
mysql> insert into numbers values (100, 100);
mysql> select @a := (a/3), @b := (b/3), @a * 3, @b * 3 from numbers \G
*************************** 1. row ***************************
@a := (a/3): 33.333333333
@b := (b/3): 33.333333333333
@a + @a + @a: 99.9999999990000000000000...
How to make a HTML Page in A4 paper size page(s)?
...replace @page x with @page, then it works, but that is not a page-specific selector.
– Rob W
Mar 12 '15 at 22:39
For t...