Tutorial by Examples: u

Unlike gets.chomp this will not wait for a newline. First part of the stdlib must be included require 'io/console' Then a helper method can be written: def get_char input = STDIN.getch control_c_code = "\u0003" exit(1) if input == control_c_code input end Its' imporan...

The WMI Framework Windows Management Instrumentation (WMI) is included in all modern versions of Windows and Windows Server. Windows Management Instrumentation (WMI) CORE 1.5 was once available from Microsoft to install WMI on computers running Windows 95/98 or Windows NT 4.0. Even though all Wind...

There are three equality operators: ==, ===, and isequal. (The last is not really an operator, but it is a function and all operators are functions.) When to use == == is value equality. It returns true when two objects represent, in their present state, the same value. For instance, it is obviou...

Strings can be made from functions that work with IO objects by using the sprint function. For instance, the code_llvm function accepts an IO object as the first argument. Typically, it is used like julia> code_llvm(STDOUT, *, (Int, Int)) define i64 @"jlsys_*_46115"(i64, i64) #0 { ...

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 ...

If you are behind a proxy and need to connect to the internet, you can use: export http_proxy="http://username:password@host:port/" For configuring the proxy inside apt-get: cd /etc/apt/apt.conf.d Create a file named 10proxy: sudo nano 10proxy Without authentication add the fol...

Detailed instructions on getting tcpdf set up or installed.

using System; using System.IO; using System.Security.Cryptography; namespace Aes_Example { class AesExample { public static void Main() { try { string original = "Here is some data to encrypt!"; ...

(Note: There are many IDE, toolchain and library which are ready-to-use with STM32. The following setup requires minimal effort to get it work, but it is only one of the many. Feel free to explore others, it is not the purpose of this example to force anyone to use the tools that will be used here.)...

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...

Firebase provides backend as a service, as applciation developer you do not have an option to have backend code. This example shows how using firebase queue, create backend which will operate on the top of firebase database and serve as a backend for your frontend application. Before getting into ...

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...

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. ^ ...

Out of the box installations of Jenkins with the Git and SSH plugins will not work when attempting to pull a private repository from GitHub.

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.

OutputStream and InputStream have many different classes, each of them with a unique functionality. By wrapping a stream around another, you gain the functionality of both streams. You can wrap a stream any number of times, just take note of the ordering. Useful combinations Writing characters to...

The Maya GUI toolkit creates a variety of UI elements in a simple, imperative form. There are basic commands to create and edit GUI widgets; the widgets are identified by a unique string name. All gui commands take the same basic form: you supply a command type and the string name of the object yo...

Many widgets include events which can fire callback functions when the user interacts with the widget. For example when a button is pressed, a checkbox checked, or a dropdown chosen you can fire a function. The exact flag which is associated with these event depends on the widget, but a typical cal...

[![Sample equation][1]][1] sympy provides its solution as a Python set of expressions in terms of parametric variables, as shown here in the final line. >>> from sympy.solvers.diophantine import diophantine >>> from sympy import var >>> x,y,z=var('x y z') >>>...