Tutorial by Examples: er

If you have no *.bib file, you can use a references field in the document’s YAML metadata. This should include an array of YAML-encoded references, for example: --- title: "Writing an academic paper in R" author: "Author" date: "Date" output: pdf_document: ...

Unary operators can be defined by prepending the operator with unary_. Unary operators are limited to unary_+, unary_-, unary_! and unary_~: class Matrix(rows: Int, cols: Int, val data: Seq[Seq[Int]]){ def +(that: Matrix) = { val newData = for (r <- 0 until rows) yield for (c <...

This example will list the preferred resolution for all the connected monitors. The Code: On Error Resume Next strComputer = "." strQuery = "SELECT PreferredMonitorSourceModeIndex, MonitorSourceModes " & _ "FROM WmiMonitorListedSupportedSourceModes" ...

Let me write a piece of code which shows completely loosely coupled, Then you can easily understand how Spring core manage the dependency internally. Consider an scenario, Online business Flipkart is there, it uses some times DTDC or Blue Dart courier service , So let me design a application which ...

This library allows the usage of RxJava with the new Android M permission model. Add the library to the dependencies: Rxjava dependencies { compile 'com.tbruyelle.rxpermissions:rxpermissions:0.8.0@aar' } Rxjava2 dependencies { compile 'com.tbruyelle.rxpermissions2:rxpermissions:0.8...

Registration in AppDelegate import UserNotifications in didFinishLaunchingWithOptions method, UNUserNotificationCenter.current().requestAuthorization(options: [.alert,.sound,.badge]) { (granted, error) in // Here you can check Request is Granted or not. } Create and Schedule notificat...

Autoload your helper function. if you use many time in your project $autoload['helper'] = array('url', 'form'); Use form helper in view <?php echo form_open('Public/Login/loginAuth'); ?> <?php echo "<div class='row'>"; echo "<label for='inputE...

This is an example of Viz-Charts with line-chart with filters. There are a lot of techniques this is one to solve the filtering issue. Point to be noted is that you need to bind the Dataset of VizFrame by its ID and then apply the filtering on the FlattenedDataset   In the controller: // defining...

Class can implement multiple traits. In case if one trait defines method with the same signature like another trait, there is a multiple inheritance problem. In that case the method from last declared trait is used: trait Foo { def hello() {'Foo'} } trait Bar { def hello() {'Bar'} } cla...

Open a chat with @BotFather in Telegram and click the /start command. After you get a list of commands Select the command /newbot to get this Message: Alright, a new bot. How are we going to call it? Please choose a name for your bot. Enter a name for your bot, which can be anything, and sen...

Numeric operators are the easiest and almost the same as in other languages. +, -, * and /. Addition, subtraction, multiplication and division operators (in VFP there is no integer division, you can convert a result to integer with functions INT(), CEILING() and FLOOR()). % Modulus operator. ^ ...

Logical operators in VFP, in their order of precedence are: OperatorDescription( )Parentheses, groups expressionsNOT, !Logically negate the expression. NOT or ! has no difference.ANDLogically AND the expressionsORLogically OR the expressions<>, !=, #Check for inequality. Thus same as logical ...

First open the Command prompt and "Run as Administrator". Once the command prompt is open navigate to the PSTools directory. From the command prompt we need to run git-bash using PSExec or PSExec64 as the Local Service, which Jenkins is running on the build server as by default. We wi...

Save and run a test pull request and your should no longer have any further problems with having Jenkins use SSH on your Windows build machine.

There are only 4 character operators, in their order of precedence: OperatorDescription()Parentheses for grouping. Note: VFP documentation, that I have, misses this one. Without this, - operator is almost always useless.+Concatenates (joins) strings side by side.-Concatenates strings by moving the ...

Sub DisplayExcelVersions() MsgBox "The version of Excel is " & Application.Version MsgBox "The version of the VBE is " & Application.VBE.Version End Sub The use of the Application.Version property is useful for ensuring code only operates on a compatible...

If you want to provide Custom Error Messages you would do it like this: public class LoginViewModel { [Required(ErrorMessage = "Please specify an Email Address")] [EmailAddress(ErrorMessage = "Please specify a valid Email Address")] public string Email { get; set...

There are basically two operators for date, datetime values. + and - are overloaded (probably a C term) to do date/datetime math: OperatorDescription+Adds days (date) or seconds (datetime) to a date/datetime value.-Gets the difference of two date/datetime values. Subtracts days (date) or seconds (d...

First step : PCL part using Xamarin.Forms; namespace ProjectNamespace { public class ExtendedFrame : Frame { /// <summary> /// The corner radius property. /// </summary> public static readonly BindableProperty CornerRadiusProperty = ...

Swift Import the Core Motion library: import CoreMotion Next, we need to create a CMAltimeter object, but a common pitfall is to create it in the viewDidLoad(). If done that way, the altimeter won’t be accessible when we need to call a method on it. Nevertheless, go ahead and create your CMAlti...