Tutorial by Examples: le

package com.streams; import java.io.*; public class DataStreamDemo { public static void main(String[] args) throws IOException { InputStream input = new FileInputStream("D:\\datastreamdemo.txt"); DataInputStream inst = new DataInputStream(input); int count...

Locate and open your TIBCO BW bwengine.tra file typlically under TIBCO_HOME/bw/5.12/bin/bwengine.tra (Linux environment) Look for the line that states: *** Common variables. Modify these only. *** Add the following line right after that section tibco.deployment=%tibco.deployment% ...

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...

Sometimes we need to join multiple tables to get aggregate data in return. here is how we can achieve the same using CodeIgniter Query Builder / Active Records. public function getStudentInfo($studentid){ $query = $this->db->select("st.id, st.name, st.class, mk.maths, mk.science&quo...

<?php namespace App\Http\Controllers; use App\User; use App\Http\Controllers\Controller; class UserController extends Controller { /** * Show the profile for the given user. * * @param int $id * @return Response */ public function show($id) ...

As we can add multiple elements in Cart array and then add it to cart session, but there are 4 basic elements which Cart class requires to add data successfully in cart session. id (string) qty (number) price (number, decimal) name (String) And if you want to add more options regardin...

<nav aria-label="Page navigation example"> <ul class="pagination"> <li class="page-item"><a class="page-link" href="#">Previous</a></li> <li class="page-item"><a class="page-lin...

By using rowid element you can delete an item from cart. you just have to set item's qty to 0 $deleteItem = array( 'rowid' => 'b99ccdf16028f015540f341130b6d8ec', 'qty' => 0 ); $this->cart->update($data); this will delete item with this rowid.

string contents = ""; string url = "http://msdn.microsoft.com"; using (System.Net.WebClient client = new System.Net.WebClient()) { contents = client.DownloadString(url); } Console.WriteLine(contents);

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....

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...

Middleware may be assigned to the controller's routes in your route files: Route::get('profile', 'UserController@show')->middleware('auth'); However, it is more convenient to specify middleware within your controller's constructor. Using the middleware method from your controller's constructor,...

Laravel resource routing assigns the typical "CRUD" routes to a controller with a single line of code. For example, you may wish to create a controller that handles all HTTP requests for "photos" stored by your application. Using the make:controller Artisan command, we can quickl...

In C++ code bases which used to be C, one can find the pattern goto cleanup. As the goto command makes the workflow of a function harder to understand, this is often avoided. Often, it can be replaced by return statements, loops, functions. Though, with the goto cleanup one needs to get rid of clean...

This is an Angular 2 wrapper library for Dropzone. npm install angular2-dropzone-wrapper --save-dev Load the module for your app import { DropzoneModule } from 'angular2-dropzone-wrapper'; import { DropzoneConfigInterface } from 'angular2-dropzone-wrapper'; const DROPZONE_CONFIG: Dropzon...

To ensure that a GPU version TensorFlow process only runs on CPU: import os os.environ["CUDA_VISIBLE_DEVICES"]="-1" import tensorflow as tf For more information on the CUDA_VISIBLE_DEVICES, have a look to this answer or to the CUDA documentation.

from tensorflow.python.client import device_lib print(device_lib.list_local_devices())

This widget is used to display items with hierarchy. For instance, windows explorer can be reproduced in this way. Some nice tables can be also done using treeview widget. Create the widget tree=ttk.Treeview(master) Definition of the columns You can define how many columns, their width and min...

This is just the other way of writing Multiple OR conditions. This is not the recommended approach because in regular approach when the condition evaluates to true, it stops executing the remaining conditions which save the time of evaluation, unlike this approach which evaluates all conditions firs...