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Resetting a multi-stage form with jQuery
...ut.val('') on an input with a default value of 50 would set it to an empty string, whereas calling myform.reset() would reset it to its initial value of 50.
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Java - JPA - @Version annotation
...zable {
@Id
@GeneratedValue
private Long id;
private String name;
@Version
private Long version;
//...
}
On update, the field annotated with @Version will be incremented and added to the WHERE clause, something like this:
UPDATE MYENTITY SET ..., VERSION = VERS...
How do I get the name of a Ruby class?
... For the newcomers out there, you can also obtain the class name as a string by using the class like this: User.name. User.to_s also seems to work.
– Dan Polites
Nov 20 '12 at 20:17
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Is there a way to chain multiple value converters in XAML?
...l:ValueConverterGroup x:Key="statusForegroundGroup">
<local:IntegerStringToProcessingStateConverter />
<local:ProcessingStateToColorConverter />
<local:ColorToSolidColorBrushConverter />
</local:ValueConverterGroup>
Great stuff. Thanks, Josh. :)
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Which Boost features overlap with C++11?
...ow)
Move ← Rvalue references
Replaceable by C++17 language features:
String_ref → std::string_view
Filesystem → <filesystem> (Filesystem TS)
Optional → std::optional (Library Fundamentals TS v1)
Any → std::any (Library Fundamentals TS v1)
Math/Special Functions → <cmath> ...
in entity framework code first, how to use KeyAttribute on multiple columns
...t MySecondKeyProperty { get; set; }
[Key, Column(Order=2)]
public string MyThirdKeyProperty { get; set; }
// other properties
}
If you are using the Find method of a DbSet you must take this order for the key parameters into account.
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Count work days between two dates
... the accepted answer as a function using DATEPART, so I don't have to do a string comparison on the line with
DATENAME(dw, @StartDate) = 'Sunday'
Anyway, here's my business datediff function
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION BDATEDIFF
(
@startdate as DATETIME...
How to set tint for an image view programmatically in android?
...r types of resources, such as integers, bools, dimensions, etc. Except for string, for which you can directly use getString() in your Activity without the need to first call getResources() (don't ask me why).
Otherwise, your code looks good. (Though I haven't investigated the setColorFilter method ...
Which regular expression operator means 'Don't' match this character?
...mer: don't match a, b, c or 0: [^a-c0]
The latter: match any three-letter string except foo and bar:
(?!foo|bar).{3}
or
.{3}(?<!foo|bar)
Also, a correction for you: *, ? and + do not actually match anything. They are repetition operators, and always follow a matching operator. Thus, a+ means...
Can unit testing be successfully added into an existing production project? If so, how and is it wor
...lexity. No, tests don't write themselves, and, yes, it will take a little extra time to get things out the door. But in the long run it will take more time and cost more money to fix bugs after the fact than write tests up front. Period. That's all there is to it.
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