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Insert, on duplicate update in PostgreSQL?
...n_1,
column_2 = excluded.column_2;
Searching postgresql's email group archives for "upsert" leads to finding an example of doing what you possibly want to do, in the manual:
Example 38-2. Exceptions with UPDATE/INSERT
This example uses exception handling to perform either UPDATE ...
Change the Target Framework for all my projects in a Visual Studio Solution
... experience that.
Step by step instructions in that tool:
Replace | Add Group | Name it (e.g. "MyGroup")
Right-Click MyGroup | Add File(s)...
Choose your source (e.g. Use Folder, browse to root folder of the projects you want to change)
Set the Include File Filter if necessary (e.g. *.csproj)
Rig...
What's the use of Jade or Handlebars when writing AngularJs apps
...arJS because I hate writing plain HTML. It looks something like:
.control-group(
ng-form
name='emailGroup'
ng-class='{"ng-error": emailGroup.$invalid}'
)
label.control-label Email
.controls
input(
type='email'
ng-model='user.email'
required
placeholder='you@exa...
Difference between application/x-javascript and text/javascript content types
...rs). This was just a change so that the text/* and application/* MIME type groups had a consistent meaning where possible. (text/* MIME types are intended for human readable content, JavaScript is not designed to directly convey meaning to humans).
Note that using application/javascript in the type...
How to add a custom button state
...dd custom states to buttons and the like. (If you can't see the new Google groups in your browser, there's a copy of the thread here.)
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What is a MIME type?
...osed of two parts: a type and a subtype.
The "type" refers to a logical grouping of many MIME types that are closely related to each other; it's no more than a high level category.
"subtypes" are specific to one file type within the "type".
The x- prefix of a MIME subtype simply means that i...
Git cherry pick vs rebase
...g when working alone it is often more commonly used when working in larger groups.
– Pablo Jomer
Dec 28 '12 at 17:06
I...
What is java interface equivalent in Ruby?
... examples":
https://www.relishapp.com/rspec/rspec-core/v/3-5/docs/example-groups/shared-examples
You write a spec for your interface and then put one line in each implementer's spec, eg.
it_behaves_like "my interface"
Complete example:
RSpec.shared_examples "a collection" do
describe "#size"...
Where do I find the current C or C++ standard documents?
...or keeping a list that is constantly more up-to-date than even ISO working group 21.
– Lundin
Oct 25 '13 at 14:03
5
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Storing Data in MySQL as JSON
...n identifier can occur in an SQL statement, including WHERE, ORDER BY, and GROUP BY clauses. This includes SELECT, UPDATE, DELETE, CREATE TABLE, and other SQL statements. The left hand side must be a JSON column identifier (and not an alias). The right hand side is a quoted JSON path expression whic...