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WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED

...rence in certain circumstances. So use WITH (NOLOCK) if the current data selected is allowed to be incorrect, as it might be rolled back later. This is mostly used when you want to increase performance, and the requirements on your application context allow it to take the risk that inconsistent da...
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Tuples( or arrays ) as Dictionary keys in C#

...sonId: 4, LocationId: 9, SubjectId: 10), "XYZ"); var personIds = dict.Keys.Select(k => k.PersonId).Distinct().ToList(); share | improve this answer | follow ...
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What is the best workaround for the WCF client `using` block issue?

...e of the channel factory and channel. ExceptionHandlingProxy respects your selections in the Add Service Reference dialog with respect to asynchronous methods and collection types. Codeplex has a project called Exception Handling WCF Proxy Generator. It basically installs a new custom tool to Visu...
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How safe is it to store sessions with Redis?

.../value pair, you can GET it immediately (i.e in real-time). The policy you select with regards to persistence (how much you delay the writes) will determine the upper-bound for how much data could be lost in a crash. share ...
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Object-orientation in C

...ject at runtime! You just reassign it a new vtable pointer. You can even selectively change some of the virtual functions while keeping others, creating new hybrid types. Just be careful to create a new vtable instead of modifying the global vtable, otherwise you'll accidentally affect all object...
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Purpose of Unions in C and C++

... @legends2k: any decent optimizer will recognize bitwise operations that select an entire byte and generate code to read/write the byte, same as the union but well-defined (and portable). e.g. uint8_t getRed() const { return colour & 0x000000FF; } void setRed(uint8_t r) { colour = (colour &...
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Can anybody find the TFS “Unshelve” option in Visual Studio 2012?

...ck on the menu "Tools > Customize". This opens the "Customize" dialog. Select the "Commands" tab. Choose the "Context menu" radio button in the "Choose a menu or toolbar to rearrange" section. Choose "Project and Solution Context Menus | Solution | Source Control" from the drop down. Click the "...
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Get file size, image width and height before upload

... How to acheive this for multiple file selection ? – Shaik Nizamuddin Jun 2 '18 at 11:27 add a comment  |  ...
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Spring Data JPA find by embedded object property

...dByIdAndTwoId(Long oneId, Long twoId); and results in a query of the form: select ...... from one one_ left outer join two two_ on one_.two_id = two_.id where one_id = ? and two_.id = ? – TroJaN May 4 at 17:17 ...
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How can I pass a parameter to a setTimeout() callback?

... I'm not sure why this answer wasn't selected as the best. Using an anonymous function works, sure, but if you can simply pass a third parameter into the original setTimeout function call... why not? – Kris Schouw Sep 21 '1...