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Database Design for Revisions?
...l is valid but you could easily create a view using xquery - which you can include in queries and join to. Something like this...
CREATE VIEW EmployeeHistory
AS
, FirstName, , DepartmentId
SELECT EmployeeId, RevisionXML.value('(/employee/FirstName)[1]', 'varchar(50)') AS FirstName,
Revision...
How to tell Jackson to ignore a field during serialization if its value is null?
...;2.0, you can configure the ObjectMapper directly, or make use of the @JsonInclude annotation:
mapper.setSerializationInclusion(Include.NON_NULL);
or:
@JsonInclude(Include.NON_NULL)
class Foo
{
String bar;
}
Alternatively, you could use @JsonInclude in a getter so that the attribute would be...
Resize svg when window is resized in d3.js
...
Note: Everything in the SVG image will scale with the window width. This includes stroke width and font sizes (even those set with CSS). If this is not desired, there are more involved alternate solutions below.
More info / tutorials:
http://thenewcode.com/744/Make-SVG-Responsive
http://soqr.f...
How do I rename a project in Xcode 5?
...hange.
You can probably trust it, but you should inspect it.
The list will include the info.plist and various files, but also all the relevant strings from nib/xib files like MainMenu menus.
Accept the changes and you will get the prompt to save a snapshot of the project.
Always make a snapshot whe...
Git undo local branch delete
...
First: back up your entire directory, including the .git directory.
Second: You can use git fsck --lost-found to obtain the ID of the lost commits.
Third: rebase or merge onto the lost commit.
Fourth: Always think twice before using -D or --force with git :)
...
Quit and restart a clean R session from within R?
...not reproducible when my script is run by others. Is there a command to be included in R script to restart R session? (the reason being I want all packages to be detached)
– Heisenberg
Oct 19 '14 at 20:04
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Generate Java class from JSON?
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Here's an online tool that will take JSON, including nested objects or nested arrays of objects and generate a Java source with Jackson annotations.
share
|
improve t...
To ARC or not to ARC? What are the pros and cons? [closed]
...just started using Git...
UPDATE: So I migrated my whole game, gl library included, and no problems so far (except with the migration assistant in Xcode 4.2). If you are starting a new project, go for it.
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Why shouldn't I use mysql_* functions in PHP?
...it harder to maintain. Missing features that is not supported by ext/mysql include: (from PHP manual).
Stored procedures (can't handle multiple result sets)
Prepared statements
Encryption (SSL)
Compression
Full Charset support
Reason to not use mysql_* function:
Not under active development
Re...
How do you tell if caps lock is on using JavaScript?
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You can use a KeyboardEvent to detect numerous keys including the caps lock on most recent browsers.
The getModifierState function will provide the state for:
Alt
AltGraph
CapsLock
Control
Fn (Android)
Meta
NumLock
OS (Windows & Linux)
ScrollLock
Shift
This demo works...