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avg_fragmentation_in_percent valueCorrective statement>5% and < = 30%REORGANIZE>30%REBUILD ALTER INDEX IX_NonClustered ON tableName REORGANIZE; ALTER INDEX ALL ON Production.Product REBUILD WITH (FILLFACTOR = 80, SORT_IN_TEMPDB = ON, STATISTICS_NORECOMPUTE = ON);

Rebuilding indexes is done using the following statement ALTER INDEX All ON tableName REBUILD; This drops the index and recreates it, removing fragementation, reclaims disk space and reorders index pages. One can also reorganize an index using ALTER INDEX All ON tableName REORGANIZE; which ...

EXEC sp_MSForEachTable 'ALTER INDEX ALL ON ? REBUILD'

Enables the use of local type inference in declaring variables. What is type inference? You can declare local variables without explicitly stating a data type. The compiler infers the data type of a variable from the type of its initialization expression. Option Infer On: Dim aString = "12...

Document level It is on by default, but you can set it by placing Option Infer On|Off at the top of the code file. The option will apply to the whole document. Project level You can switch it on/off via the menu in Visual Studio: Project > [Project] Properties > Compile Tab > Option i...

Sub Main() Dim People = New List(Of String)({"Bob Barker", "Ricky Bobby", "Jeff Bridges"}) Console.WriteLine(People.Contains("Rick James")) Console.WriteLine(People.Contains("Ricky Bobby")) Console.WriteLine(Pe...

There are three ways to create a graphics object From the Paint Event Every time the control is redrawn (resized, refreshed...) this event is called, use this way if you want the control to consistently draw on the control 'this will work on any object's paint event, not just the form ...

OVERVIEW cocos2d-x is an open source, cross-platform game engine. It allows developers to code in C++, Lua and Javascript deployment into iOS, Android, Windows Phone, Mac OS X, Windows Desktop and Linux. PREREQUISITES Build Requirements Mac OS X 10.7+, Xcode 4.6+ Windows 7+, VS 2012+ Ubunt...

SQL Server 2016 Escapes special characters in texts and returns text (nvarchar(max)) with escaped characters. Parameters: text. is a nvarchar expression representing the string that should be escaped. type. Escaping rules that will be applied. Currently the only supported value is 'json'...

From MSDN In a future version of SQL Server, ANSI_NULLS will always be ON and any applications that explicitly set the option to OFF will generate an error. Avoid using this feature in new development work, and plan to modify applications that currently use this feature. ANSI NULLS being set t...

This creates a simple archive of a folder : tar -cf ./my-archive.tar ./my-folder/ Verbose output shows which files and directories are added to the archive, use the -v option: tar -cvf ./my-archive.tar ./my-folder/ For archiving a folder compressed 'gzip', you have to use the -z option : ta...

There is an example for extract a folder from an archive in the current location : tar -xf archive-name.tar If you want to extract a folder from an archive to a specfic destination : tar -xf archive-name.tar -C ./directory/destination

There is an example of listing content : tar -tvf archive.tar The option -t is used for the listing. For listing the content of a tar.gz archive, you have to use the -z option anymore : tar -tzvf archive.tar.gz

Description: Evaluate expression after user's confirmation. Arguments: ng-confirm-click:(expression) Expression to evaluate when confirmed. ng-confirm-message:(template) Message to be shown in confirm dialog. Code: Directives.directive("ngConfirmClick", ["$parse","...

Polymorphism is the ability to perform an action on an object regardless of its type. This is generally implemented by creating a base class and having two or more subclasses that all implement methods with the same signature. Any other function or method that manipulates these objects can call the ...

YAML does not come with a standard PHP installation, instead it needs to be installed as a PECL extension. On linux/unix it can be installed with a simple pecl install yaml Note that libyaml-dev package must be installed on the system, as the PECL package is simply a wrapper around libYAML call...

YAML provides a way to store structured data. The data can be a simple set of name-value pairs or a complex hierarchical data with values even being arrays. Consider the following YAML file: database: driver: mysql host: database.mydomain.com port: 3306 db_name: sample_db ...

General log - all queries - see VARIABLE general_log Slow log - queries slower than long_query_time - slow_query_log_file Binlog - for replication and backup - log_bin_basename Relay log - also for replication general errors - mysqld.err start/stop - mysql.log (not very interesting) - log_err...

How to use conditional execution of command lists Any builtin command, expression, or function, as well as any external command or script can be executed conditionally using the &&(and) and ||(or) operators. For example, this will only print the current directory if the cd command was succ...

First, you need to install django-debug-toolbar: pip install django-debug-toolbar settings.py: Next, include it to project's installed apps, but be careful - it's always a good practice to use a different settings.py file for such development-only apps and middlewares as debug toolbar: # If en...