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When to use RDLC over RDL reports?

... 'ReportViewer' in a client application written in ASP.NET, WPF (with a winform control bleh!), or Winforms in .NET using 'ProcessingMode.Remote'. You can set parameters a user can see and use to gain more flexibility. You can configure parts of a report to be used for connection strings as 'Data So...
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What is the difference between .text, .value, and .value2?

...) or boolean) .Value gives you the same as .Value2 except if the cell was formatted as currency or date it gives you a VBA currency (which may truncate decimal places) or VBA date. Using .Value or .Text is usually a bad idea because you may not get the real value from the cell, and they are slower...
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What is the purpose of the “role” attribute in HTML?

... and note are valid roles, and so the link role will be applied in the platform accessibility API because it comes first. If you use custom roles, make sure they don't conflict with any defined role in ARIA or the host language you're using (HTML, SVG, MathML, etc.) ...
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?

In the Mac and iOS platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message. ...
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Automating the InvokeRequired code pattern

... de Klerk (see comment in 1st code snippet for insert point): // When the form, thus the control, isn't visible yet, InvokeRequired returns false, // resulting still in a cross-thread exception. while (!control.Visible) { System.Threading.Thread.Sleep(50); } See ToolmakerSteve's comment belo...
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How to resolve the C:\fakepath?

... Just post the form: the browser will take care of the upload. Your web site doesn't need to know the full path back on the client. – Rup Jan 31 '11 at 14:09 ...
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The name 'InitializeComponent' does not exist in the current context

...hasn't been chosen, but this is it and I ran into this coding some Xamarin.Forms. – Marcus Shockley Oct 16 '14 at 13:12 1 ...
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What's the difference between eval, exec, and compile?

...UE <- return top of stack 'single' is a limited form of 'exec' which accepts a source code containing a single statement (or multiple statements separated by ;) if the last statement is an expression statement, the resulting bytecode also prints the repr of the value of th...
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CSS media queries: max-width OR max-height

...{ ... } The long answer. There's a lot here, but I've tried to make it information dense, not just fluffy writing. It's been a good chance to learn myself! Take the time to systematically read though and I hope it will be helpful. Media Queries Media queries essentially are used in web design ...
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How do you know when to use fold-left and when to use fold-right?

...like a list iteration, one that would be simple to write in tail-recursive form, foldl is the way to go. But really this will be probably be most evident from the associativity of the operators you are using. If they are left-associative, use foldl. If they are right-associative, use foldr. ...