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Observer Design Pattern vs “Listeners”
It seems to me that the Observer design pattern as described in GOF is really the same thing as Listeners found in various toolkits. Is there a difference between the concepts, or are Listeners and Observers really the same thing.
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What's the equivalent for eclipse's ALT+UP/DOWN (move line) in Visual Studio?
...select a tag ? for example I have selected a div tag and I want to move up all child element , instead of selecting by mouse .
– Arash
Apr 17 '16 at 6:34
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C# short/long/int literal format?
... // uint
var ul = 1UL; // ulong
var l = 1L; // long
I think that's all... there are no literal specifiers for short/ushort/byte/sbyte
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vertical-align with Bootstrap 3
... using Twitter Bootstrap 3, and I have problems when I want to align vertically two div , for example — JSFiddle link :
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NOW() function in PHP
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this may be nice, but does not answer the question at all, it is not easier nor faster to do it this way
– Asped
Nov 16 '14 at 14:11
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What are the dark corners of Vim your mom never told you about? [closed]
...en copy it back again.
You obviously have to be on a system with sudo installed and have sudo rights.
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How do you discover model attributes in Rails?
... am finding it difficult to easily see what attributes/properties exist on all of my model classes since they are not explicitly defined in my class files.
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jQuery disable a link
...t the default behaviour -
here, following the link to jquery.com
- by calling event.preventDefault() in the event handler
If you want to preventDefault() only if a certain condition is fulfilled (something is hidden for instance), you could test the visibility of your ul with the class expande...
Multithreading: What is the point of more threads than cores?
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The answer revolves around the purpose of threads, which is parallelism: to run several separate lines of execution at once. In an 'ideal' system, you would have one thread executing per core: no interruption. In reality this isn't the case. Even if you have four cores and four workin...
The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'
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Yes, it does allow anyone with a connection to the DB to run the stored procedure. I would expect people worried about security to grant access to the relevant group in their database.
– Rowland Shaw
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