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How do I check if an element is hidden in jQuery?
...tion is for show() and hide(), and they set display, my answer is correct. By the way it does work with IE7, here's a test snippet - jsfiddle.net/MWZss ;
– Tsvetomir Tsonev
Jan 14 '11 at 16:54
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How to write asynchronous functions for Node.js
...ing IO is better. The best way to understand it is to go watch some videos by ryan dahl.
How do I write asynchronous functions for Node?
Just write normal functions, the only difference is that they are not executed immediately but passed around as callbacks.
How should I implement error e...
Naming convention for Scala constants?
...style, camel case with first letter are upper case. It's laid down clearly by Odersky on Programming in Scala.
The style is also followed by the standard library, and has some support in language semantics: identifiers starting with upper case are treated as constants in pattern matching.
(Section...
instantiate a class from a variable in PHP?
...d parameters
PHP >= 5.6
As of PHP 5.6 you can simplify this even more by using Argument Unpacking:
// The "..." is part of the language and indicates an argument array to unpack.
$module = new $className(...$arrayOfConstructorParameters);
Thanks to DisgruntledGoat for pointing that out.
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Display string as html in asp.net mvc view
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IHtmlString as mentioned by @Jerad Rose is much better
– Pratyush Dhanuka
Aug 20 '18 at 11:30
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How to reshape data from long to wide format
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I would say base R still wins vote-wise by a factor of about 2 to 1
– vonjd
Nov 22 '18 at 15:14
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Resource interpreted as Document but transferred with MIME type application/zip
...oblem when serving up a PDF file (MIME type application/pdf) and solved it by setting the Content-Disposition header, e.g.:
Content-Disposition: attachment; filename=foo.pdf
Hope that helps.
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How to drop columns using Rails migration
...olumn :table_name, :column_name
For instance:
remove_column :users, :hobby
would remove the hobby Column from the users table.
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PG::ConnectionBad - could not connect to server: Connection refused
...s postgres didn't delete the PID (process id) file.
The PID file is used by postgres to make sure only one instance of the server is running at a time. So when it goes to start again, it fails because there is already a PID file which tells postgres that another instance of the server was started ...
Strings are objects in Java, so why don't we use 'new' to create them?
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By using String a = new String("abcd"), does it means two string with similar content are present in memory.
– changed
Jan 5 '10 at 21:54
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