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Favourite performance tuning tricks [closed]

...les (possibly archive the deleted records) Consider doing this automatically once a day or once a week. Rebuild Indexes Rebuild Tables (bcp data out/in) Dump / Reload the database (drastic, but might fix corruption) Build new, more appropriate index Run DBCC to see if there is possible corru...
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calculating the difference in months between two dates

...or is it more related to an actual span of time? The logic for determining all of these rules is non-trivial, so you'll have to determine your own and implement the appropriate algorithm. If all you want is simply a difference in the months--completely disregarding the date values--then you can use...
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Creating a system overlay window (always on top)

...ng to create an always-op-top button/clickable-image which stays on top of all the windows all the time. 16 Answers ...
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How do I move an existing Git submodule within a Git repository?

... Since git 1.8.5, git mv old/submod new/submod works as expected and does all the plumbing for you. You might want to use git 1.9.3 or newer, because it includes fixes for submodule moving. The process is similar to how you'd remove a submodule (see How do I remove a submodule?): Edit .gitmod...
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Copy rows from one Datatable to another DataTable?

... Though your answer technically is correct, your code sample doesn't address your assumptions. The answer by @RageeshGr handles all the assumptions and IMHO is written more concisely and is less error prone. – chris.nesbit1 ...
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Efficiency of purely functional programming

...ssible asymptotic slowdown that can happen when programming purely functionally as opposed to imperatively (i.e. allowing side-effects)? ...
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Are there best practices for (Java) package organization? [closed]

... Package organization or package structuring is usually a heated discussion. Below are some simple guidelines for package naming and structuring: Follow java package naming conventions Structure your packages according to their functional role as well as their business role...
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Losing scope when using ng-include

...nan mentioned, ng-include creates a new child scope. This scope prototypically inherits (see dashed lines below) from the HomeCtrl scope. ng-model="lineText" actually creates a primitive scope property on the child scope, not HomeCtrl's scope. This child scope is not accessible to the parent/Home...
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How can I make the tabs work normally on Xcode 4?

Xcode finally added tabs but the problem is that they behave very strange. For example they will keep a tab open only if it was opened to a new tab. ...
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What is LINQ and what does it do? [closed]

...eries against many targets (databases, in-memory objects, XML) with practically no consideration of the underlying way in which the query will be executed. Let's start this exploration with the parts belonging to the .NET Framework (3.5). LINQ To Objects - examine System.Linq.Enumerable for query...