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How to put a UserControl into Visual Studio toolBox

...ialog with registered components pops up. in this dialog click "Browse" to select your assembly with the usercontrol you want to use. PS. This assembly should be registered before. share | improve ...
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What is the performance cost of having a virtual method in a C++ class?

..."type(-identifying) number" in the objects and using a switch statement to select the type-specific code. This avoids function call overhead completely - just doing a local jump. There is a potential cost to maintainability, recompilation dependencies etc through the forced localisation (in the sw...
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides

...ave the time to implement this. RAW Code - open as Raw, then do Ctrl+A to select all, then Ctrl+C to copy. // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // See the LICENSE file in the project root for more i...
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How to select a radio button by default? [duplicate]

I have some radio buttons and I want one of them to be set as selected by default when the page is loaded. How can I do that? ...
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What is the meaning of id?

...ion rules. For example, with a void * pointer you can't do this: void *x; char *y = x; // error, this needs an explicit cast On the contrary, it's possible with id: id x; NSString *y = x; See more usage of type id in objective c examples. In addition in the "modern" Objective C it's preferred...
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How make Eclipse/EGit recognize existing repository information after update?

...ositories" dialogue, under Search criteria, enter the workspace directory, select "Look for nested repositores", and hit Search: Select the repositories you want to add and click OK "Share" each of the projects again using "use or create repository" Open you existing project in Eclipse's Projec...
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How can I create a copy of an Oracle table without copying the data?

... Just use a where clause that won't select any rows: create table xyz_new as select * from xyz where 1=0; Limitations The following things will not be copied to the new table: sequences triggers indexes some constraints may not be copied materialized view...
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jQuery UI DatePicker to show month year only

...Text, inst) { $(this).datepicker('setDate', new Date(inst.selectedYear, inst.selectedMonth, 1)); } }); }); </script> <style> .ui-datepicker-calendar { display: none; } </style> </head> <body> ...
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Select multiple columns in data.table by their numeric indices

How can we select multiple columns using a vector of their numeric indices (position) in data.table ? 5 Answers ...
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What are all the user accounts for IIS/ASP.NET and how do they differ?

...nymous Authentication entry: Ensure that "Application pool identity" is selected: When you come to apply file and folder permissions you grant the Application Pool identity whatever rights are required. For example if you are granting the application pool identity for the ASP.NET v4.0 pool per...