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R object identification
...wers. It really is much better than any of the above for a quick and even detailed peek into an object.
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How to generate a Dockerfile from an image?
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Can you describe your last comment in greater detail? Is everything in / just tar'ed as normal? Or are there special cases?
– Robert Lugg
Jan 28 at 19:33
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How to prepend a string to a column value in MySQL?
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update TICKET set status_details = CONCAT(status _details,'abc') where ticket_id=75108; ERROR 1583 (42000): Incorrect parameters in the call to native function 'CONCAT'
– nirmesh khandelwal
Jul 1 '13 at 13:45
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What are '$$' used for in PL/pgSQL
...an
AS
$func$
BEGIN
...
END
$func$ LANGUAGE plpgsql STRICT IMMUTABLE;
Details:
Insert text with single quotes in PostgreSQL
As to your second question:
Read the most excellent manual on CREATE FUNCTION to understand the last line of your example.
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Set up Heroku and GoDaddy? [closed]
...NS -> choose your domain ->
Launch (this will take you to the Domain Details)
Click 'DNS Zone File' tab
Remove the CNAME record named 'www' (which points to @)
Click 'Add record' -> CNAME(Alias) -> 'Host' should be www and
'Points to' should be your Heroku address (example
supermoo-bil-3...
How to create your own library for Android development to be used in every program you write?
... Application project by adding it to list on the same property page.
More detailed instructions here in Working with Library Projects section
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What's the difference between interface and @interface in java?
...nterface exposes a contract without exposing the underlying implementation details. In Object Oriented Programming, interfaces define abstract types that expose behavior, but contain no logic. Implementation is defined by the class or type that implements the interface.
@interface : (Annotation typ...
Android buildscript repositories: jcenter VS mavencentral
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At Bintray I just rebloged a very detailed blog post describing the reasons why Google made this change. Here are the most important points:
JCenter is a Java repository in Bintray, which is the largest repo in the world for Java and Android OSS libraries, ...
What is the bower (and npm) version syntax?
...ich is short for 'Semantic Versioning'. You can find documentation for the detailed syntax of SemVer as used in Bower and NPM on the API for the semver parser within Node/npm. You can learn more about the underlying spec (which does not mention ~ or other syntax details) at semver.org.
There's a su...
Adaptive segue in storyboard Xcode 6. Is push deprecated?
...the explanation given for each new segue:
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Present the content in the detail or master area depending on the content of the screen. If the app is displaying a master and detail view, the content is pushed onto the detail area. If the app is only displaying the master or the detail, the content ...