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How can you detect the version of a browser?

...t would let me detect if the user visiting the website has Firefox 3 or 4. All I have found is code to detect the type of browser but not the version. ...
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I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it

...ach other. However, a read-write-session page can't start processing until all read-only requests have completed, and while it is running it must have exclusive access to that user's session in order to maintain consistency. Locking on individual values wouldn't work, because what if one page change...
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Datatables: Cannot read property 'mData' of undefined

...o went through this link which didn't yield any results. I have included all the prerequisites where I'm parsing data directly into the DOM. Kindly help me to fix this issue. ...
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How to add JTable in JPanel with null layout?

...iety of components into a frame to demonstrate how to use nested layouts. All the layouts that are explicitly set are shown as a titled-border for the panel on which they are used. Notable aspects of the code are: There is a combo-box to change PLAF (Pluggable Look and Feel) at run-time. The GUI...
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Schrödingers MySQL table: exists, yet it does not

I am having the weirdest error of all. 11 Answers 11 ...
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Why does Python pep-8 strongly recommend spaces over tabs for indentation?

...andard library in the main Python distribution. The intention is to make all code that goes in the official python distribution consistently formatted (I hope we can agree that this is universally a Good Thing™). Since the decision between spaces and tabs for an individual programmer is a) real...
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Overriding id on create in ActiveRecord

...why you can't use mass-assignment to set it. However, when setting it manually, it just works: o = SomeObject.new o.id = 8888 o.save! o.reload.id # => 8888 I'm not sure what the original motivation was, but I do this when converting ActiveHash models to ActiveRecord. ActiveHash allows you to...
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How to vertically align a html radio button to it's label?

...same line as their labels. The radio buttons are however not aligned vertically with their labels as shown in the screenshot below. ...
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Visual Studio 2012 Express is suddenly “incompatible with this version of Windows”?

...e same message on Visual Studio 2012 Premium (on PC where Windows 7 re-installed in last month) - the suggested fix was "Update for Microsoft Visual Studio 2012 (KB2781514)" which seems to have fixed it www.microsoft.com/en-us/download/details.aspx?id=36020 ...
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MySQL: multiple tables or one table with many columns?

...elational database to minimize redundancy and dependency. Normalization usually involves dividing large tables into smaller (and less redundant) tables and defining relationships between them. The objective is to isolate data so that additions, deletions, and modifications of a field can be made in ...