Tutorial by Examples: ti

Let's assume the following scenario: You have two stylesheets: _variables.scss and layout.scss. Logically, you keep all your variables inside your variable stylesheet but want to access them from your layout stylesheet. NOTE: You may notice that the variables stylesheet has an underscore ('_') be...

Azure SQL Database has different editions and performance tiers. You can find version, edition (basic, standard, or premium), and service objective (S0,S1,P4,P11, etc.) of SQL Database that is running as a service in Azure using the following statements: select @@version SELECT DATABASEPROPERTYEX...

You can scale-up or scale-down Azure SQL database using ALTER DATABASE statement: ALTER DATABASE WWI MODIFY (SERVICE_OBJECTIVE = 'P6') -- or ALTER DATABASE CURRENT MODIFY (SERVICE_OBJECTIVE = 'P2') If you try to change service level while changing service level of the current database is sti...

You can create a secondary replica of database with the same name on another Azure SQL Server, making the local database primary, and begins asynchronously replicating data from the primary to the new secondary. ALTER DATABASE <<mydb>> ADD SECONDARY ON SERVER <<secondaryserver&gt...

You can put your azure SQL Database in SQL elastic pool: CREATE DATABASE wwi ( SERVICE_OBJECTIVE = ELASTIC_POOL ( name = mypool1 ) ) You can create copy of an existing database and place it in some elastic pool: CREATE DATABASE wwi AS COPY OF myserver.WideWorldImporters ( SERVICE_OBJECTIV...

An instantiation error is thrown if an argument is not sufficiently instantiated. Critically, an instantiation error cannot be replaced by silent failure: Failing in such cases would mean that there is no solution, whereas an instantiation error means that an instance of the argument may participat...

The predicate setup_call_cleanup/3, which is currently being considered for inclusion in the Prolog ISO standard and provided by an increasing number of implementations, lets us ensure that resources are correctly freed after an exception is thrown. A typical invocation is: setup_call_cleanup(open...

Detailed instructions on getting raphael set up or installed.

If you have created .Net function, compiled it into .dll, and imported it into SQL server as an assembly, you can create user-defined function that references function in that assembly: CREATE FUNCTION dbo.TextCompress(@input nvarchar(max)) RETURNS varbinary(max) AS EXTERNAL NAME MyLibrary.[Nam...

Mixins can be passed a block of SASS compliant code, which then becomes available within the mixin as the @content directive. @mixin small-screen { @media screen and (min-width: 800px;) { @content; } } @include small-screen { .container { width: 600px; } } And this wou...

It's not the best way of iterating through the pixels; however, it's better than cv::Mat::at<T>. Let's assume you have a color image in your folder and you want to iterate each pixels of this image and erase green and red channels(Note that this is an example, you can do this in more optimize...

#include <iostream> #include <map> #include <string> using namespace std; class A { public: map<string, string> * mapOfStrings; public: A() { mapOfStrings = new map<string, string>(); } void insertEntry(string const & key, st...

For Visual Studio [NuGet]: The easiest way of installing PhantomJS is by using a NuGet Package Manager. In your project, right click "References", and click on "Manage NuGet Packages" as shown: Then, type "PhantomJS" to the search bar, select it and install it as s...

Decision boundary when we classify using logistic regression- Decision boundary when we classify using SVM- As it can be observed, SVM tries to maintain a 'gap' on either side of the decision boundary. This proves helpful when we encounter new data. With new data- Logistic regression perform...

This example shows how to validate forms in Spring MVC using Bean Validation API using Java Annotations, without any xml. User will be proposed to input their registration data and validator will check it for validity. Add Dependencies First of all add the following dependencies in your project: ...

Observers are used for listening to livecycle callbacks of a certain model in Laravel. These listeners may listen to any of the following actions: creating created updating updated saving saved deleting deleted restoring restored Here is an example of an observer. UserObserver &l...

Format: [command] [> | >>] [filename] > saves the output of [command] into [filename]. >> appends the output of [command] into [filename]. Examples: echo Hello World > myfile.txt saves "Hello World" into myfile.txt echo your name is %name% >> myfi...

Set this attribute in your manifest's or element to enable or disable multi-window display: android:resizeableActivity=["true" | "false"] If this attribute is set to true, the activity can be launched in split-screen and freeform modes. If the attribute is set to false, the...

While launching an application firstly main thread is executed. This Main thread handles all the UI concept of application. If we want to run long the task in which we don't need the UI then we use thread for running that task in background. Here is the example of Thread which describes blow: new ...

cd by itself will not allow a user to move between drives. To move to a different drive, the /d option must be specified. e.g. Moving from C:\Users\jdoe\Desktop to D:\Office Work cd /d "D:\Office Work"