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What is the use of ObservableCollection in .net?
...es to the collection (add, move, remove) occur. It is used heavily in WPF and Silverlight but its use is not limited to there. Code can add event handlers to see when the collection has changed and then react through the event handler to do some additional processing. This may be changing a UI or...
Twitter Bootstrap - add top space between rows
...otstrap is a bad idea, because this is a core part of the page scaffolding and you will need rows without a top margin.
To solve this, instead create a new class "top-buffer" that adds the standard margin that you need.
.top-buffer { margin-top:20px; }
And then use it on the row divs where you...
What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...mma is purely optional; §8.3.5/4 does say
Where syntactically correct and where “...” is not part of an abstract-declarator, “, ...” is synonymous with “...”.
This is within an abstract-declarator, [edit] but Johannes makes a good point that they are referring to an abstract-decla...
Elasticsearch query to return all records
I have a small database in Elasticsearch and for testing purposes would like to pull all records back. I am attempting to use a URL of the form...
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How to change progress bar's progress color in Android
I'm using an horizontal progress bar in my Android application, and I want to change its progress color (which is Yellow by default). How can I do it using code (not XML)?
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Prevent BODY from scrolling when a modal is opened
...tically adds the class modal-open to the body when a modal dialog is shown and removes it when the dialog is hidden. You can therefore add the following to your CSS:
body.modal-open {
overflow: hidden;
}
You could argue that the code above belongs to the Bootstrap CSS code base, but this is a...
$.getJSON returning cached data in IE8
I'm playing around with ASP.net MVC and JQuery at the moment. I've come across behavour which doesn't seem to make sense.
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Can an array be top-level JSON-text?
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Yes, an array is legal as top-level JSON-text.
There are three standard documents defining JSON: RFC 4627, RFC 7159 (which obsoletes RFC 4627), and ECMA-404. They differ in which top-level elements they allow, but all allow an object or an array as the top-level element.
RFC 4627: Object...
How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?
...on of Chrome. I tried this with my version of Chrome (12.0.742.91 beta-m) and it works great using control keys or the context menu.
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How to configure postgresql for the first time?
I have just installed postgresql and I specified password x during installation.
When I try to do createdb and specify any password I get the message:
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