Tutorial by Examples: nd

By default tee command overwrites the file. You can instruct tee to append to the file using the –a option as shown below. $ ls | tee –a file

PostmarkMailSender.java public class PostmarkMailSender implements MailSender{ private static Logger logger = Logger.getLogger("com.postmark"); private String serverToken; private static Gson gson; static { GsonBuilder gsonBuilder = new GsonBuilder(); ...

A HandlerThread can be used to start a thread with a Looper. This looper then can be used to create a Handler for communications with it. HandlerThread thread = new HandlerThread("thread-name"); thread.start(); Handler handler = new Handler(thread.getLooper());

In this example, a plot with curves having common y-axis but different x-axis is demonstrated using twiny() method. Also, some additional features such as the title, legend, labels, grids, axis ticks and colours are added to the plot. # Plotting tutorials in Python # Adding Multiple plots by twin ...

Promises handle errors differently to synchronous or callback-driven code. const p = new Promise(function (resolve, reject) { reject(new Error('Oops')); }); // anything that is `reject`ed inside a promise will be available through catch // while a promise is rejected, `.then` will not be ...

You can check the version of Sass using sass -v Update all ruby gems gem update Update only Sass gem update sass

Valgrind provides you with the lines at which the error occurred at the end of each line in the format (file.c:line_no). Errors in valgrind are summarised in the following way: ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0) The most common errors include: Illegal read/write er...

Option Explicit 'GetSystemMetrics32 info: http://msdn.microsoft.com/en-us/library/ms724385(VS.85).aspx #If Win64 Then Private Declare PtrSafe Function GetSystemMetrics32 Lib "User32" Alias "GetSystemMetrics" (ByVal nIndex As Long) As Long #ElseIf Win32 Then Private...

public function get_username($uid) { $query = $this->db->select('id') ->select('name') ->from('user_table') ->where('id', $uid) ->get(); return $query->result_array(); } this will re...

This is how you can react to exceptions which have not been catched, similar to the system's standard "Application XYZ has crashed" import android.app.Application; import android.util.Log; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.text....

A simple OGL 4.0 GLSL shader program that shows the use of a model, view, and projection matrix The program is executed with a phyton script. To run the script, PyOpenGL and NumPy must be installed. Projection matrix: The projection matrix describes the mapping of a pinhole camera from 3D poi...

Request:"http://example.com" GET / HTTP/1.1 Host: example.com User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0 Accept: text/html,application/xml;q=0.9,*/*;q=0.8 Accept-Charset: UTF-8, iso-8859-1 Accept-Language: en-US,en;q=0.5 Accept-Encoding: g...

Request:"http://example.com" GET / HTTP/1.1 Host: example.com User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0 Accept: text/html;q=1.0,application/xml;q=0.9 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Connection: keep-alive ...

Request:"http://example.com" GET / HTTP/1.1 Host: example.com User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0 Accept: text/html,application/xml;q=0.9,*/*;q=0.8 Accept-Encoding: compress, gzip Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzi...

To specify Contact and Address info for an Employee, you should always invoke Select() method on the Contact and Address data views prior to assigning any field values. It is also recommended to assign the result of Select() method to the Contact and Address data views' Current property to guarantee...

When you need to override Bill-To Contact and Bill-To Address info for a Customer, the very first step is to set correct values for the IsBillContSameAsMain and IsBillSameAsMain properties of the Customer DAC. Don't forget to invoke Update() method on the Customer cache right after you updated IsBil...

To specify Bill-To Contact and Bill-To Address info for a Sales Order, you should always first invoke Select() method on the Billing_Contact and Billing_Address data views prior to assigning any field values. It is also recommended to assign the result of Select() method to the Billing_Contact and B...

A simple OGL 4.0 GLSL shader program that shows how to map a 2D texture on a mesh. The program is executed with a phyton script. To run the script, PyOpenGL and NumPy must be installed. The texture matrix defines how the texture is mapped on the mesh. By manipulating the texture matrix, the textu...

Each x sigil call respective sigil_x definition Defining Custom Sigils defmodule MySigils do #returns the downcasing string if option l is given then returns the list of downcase letters def sigil_l(string,[]), do: String.Casing.downcase(string) def sigil_l(string,[?l]), do: String.Casing...

A simple OGL 4.0 GLSL shader program that shows the use of a interface block and a uniform block on a Cook-Torrance microfacet light model implementation. The program is executed with a phyton script. To run the script, PyOpenGL and NumPy must be installed. An Interface Block is a group of GLSL in...