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dynamically add and remove view to viewpager

...gram. hope this would help you.In its first activity four grid data can be selected. On the next activity, there is a view pager which contains two mandatory pages.And 4 more pages will be there, which will be visible corresponding to the grid data selected. Following is the mainactivty MainActivi...
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Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no

...ver Management Studio. In the left pane right-click on the server node and select Activity Monitor. Take a look at the running processes. Normally most will be idle or running. When the problem occurs you can identify any blocked process by the process state. If you right-click on the process and se...
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Is onload equal to readyState==4 in XMLHttpRequest?

...r.readyState + ", status: " + xhr.status; logText(evInfo); } function selected(radio) { document.getElementById('url').value = radio.value; } function testUrl() { clearLog(); var url = document.getElementById('url').value; if (!url) logText("Please select or type a URL"...
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Why does this async action hang?

...DBConnection.ExecuteAsync<ResultClass>( ds => ds.Execute("select slow running data into result")); } What's the difference? There's now no awaiting anywhere, so nothing being implicitly scheduled to the UI thread. For simple methods like these that have a single return, there's no...
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Increment a database field by 1

...complex depending on your specific needs: INSERT into mytable (logins) SELECT max(logins) + 1 FROM mytable share | improve this answer | follow | ...
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How do I create a unique constraint that also allows nulls?

...dy found separately in other, properly defined columns. It should never be selected or used. So, my story is that this is not a surrogate NULL, and I'm sticking to it! Since we don't actually want the non-NULL value for any purpose other than to trick the UNIQUE index to ignore NULLs, our use case ...
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Configuring IntelliJ IDEA for unit testing with JUnit

...or or by using Ctrl+Shift+T keyboard shortcut. A dialog appears where you select what testing framework to use and press Fix button for the first time to add the required library jars to the module dependencies. You can also select methods to create the test stubs for. You can find more detail...
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JPA EntityManager: Why use persist() over merge()?

... I noticed that when I used em.merge, I got a SELECT statement for every INSERT, even when there was no field that JPA was generating for me--the primary key field was a UUID that I set myself. I switched to em.persist(myEntityObject) and got just INSERT statements then...
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Xcode 4 - slow performance

...sure Xcode isn't open. Now find your project file. Right-click on it, and select Show Package Contents. Next, delete project.xcworkspace. Open Xcode and enjoy faster performance! Thanks to: http://meachware.blogspot.com/2011/06/speed-up-xcode-4.html Edit: I've gotten several comments a...
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DateTime2 vs DateTime in SQL Server

...= '5/5/2010 23:59:59.999' declare @d3 datetime = '5/5/2010 23:59:59.997' select @d1 as 'IAmMay6BecauseOfRounding', @d2 'May5', @d3 'StillMay5Because2msEarlier' Avoiding this implicit rounding is a significant reason to move to DateTime2. Implicit rounding of dates clearly causes confusion: St...