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Will using 'var' affect performance?

...ay have chosen an Interface or parent type if you were to set the type manually. Update 8 Years Later I need to update this as my understanding has changed. I now believe it may be possible for var to affect performance in the situation where a method returns an interface, but you would have used a...
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Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?

...e to use is a confusion and one of them definitely needs to be used - afterall what's the purpose of having a server which is just good at IO and nothing else? Suggestions needed! ...
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MongoDB/NoSQL: Keeping Document Change History

... changes to one or more specific entities in a database. I've heard this called row versioning, a log table or a history table (I'm sure there are other names for it). There are a number of ways to approach it in an RDBMS--you can write all changes from all source tables to a single table (more of...
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Find and replace with sed in directory and sub directories

I run this command to find and replace all occurrences of 'apple' with 'orange' in all files in root of my site: 7 Answers ...
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How to call a JavaScript function from PHP?

How to call a JavaScript function from PHP? 10 Answers 10 ...
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SQL Server database backup restore on lower version

...R2 or restore the backup you have on a SQL Server 2008 R2 instance, export all the data and import it on a SQL Server 2008 database. share | improve this answer | follow ...
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Error during installing HAXM, VT-X not working

... appropriate file HAXM file for Windows 7 64 bit, unpacked and started installing. However, during the installation process I get this error: ...
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How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre

...nteger reference and the pending intent going off, the app was updated and all of the drawable references changed. The integer that used to reference the correct drawable now referenced either the incorrect drawable or none at all (none at all - causing this crash) ...
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Are Databases and Functional Programming at odds?

... First of all, I would not say that CLOS (Common Lisp Object System) is "pseudo-OO". It is first class OO. Second, I believe that you should use the paradigm that fits your needs. You cannot statelessly store data, while a function ...
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How to select the first element in the dropdown using jquery?

I want to know how to select the first option in all select tags on my page using jquery. 9 Answers ...