You can parse XML from a string or from a XML file
1. From a string
$xml_obj = simplexml_load_string($string);
2. From a file
$xml_obj = simplexml_load_file('books.xml');
Example of parsing
Considering the following XML:
<?xml version="1.0" encoding="UTF-8"?>
&l...
Convert the interface of a class into another interface clients expect. Adapter (or Wrapper) lets classes work together that couldn't otherwise because of incompatible interfaces. Adapter pattern's motivation is that we can reuse existing software if we can modify the interface.
Adapter pattern...
To connect to a mongo database from node application we require mongoose.
Installing Mongoose
Go to the toot of your application and install mongoose by
npm install mongoose
Next we connect to the database.
var mongoose = require('mongoose');
//connect to the test database running on defau...
To read an atom's value, simply put the name of the atom, with a @ before it:
@counter ; => 0
A bigger example:
(def number (atom 3))
(println (inc @number))
;; This should output 4
How to read a netCDF file (.nc) with python gdal ?
import gdal
# Path of netCDF file
netcdf_fname = "/filepath/PREVIMER_WW3-GLOBAL-30MIN.nc"
# Specify the layer name to read
layer_name = "hs"
# Open netcdf file.nc with gdal
ds = gdal.Open("NETCDF:{0}:{1}".f...
# imports
import weka.core.converters.ConverterUtils.DataSource as DS
import weka.filters.Filter as Filter
import weka.filters.unsupervised.attribute.Remove as Remove
import os
# load data
data = DS.read(os.environ.get("MOOC_DATA") + os.sep + "iris.arff")
# remove clas...
1. Go to File --> Settings (e.g. Ctrl+Alt+S ).
2. In the left-hand pane, select Plugins.
3.On the Plugins window, click "Install JetBrains plugin" or the "Browse repositories button".
Read a 16-bit unsigned integer from input.
This function uses the interrupt service Int 21/AH=0Ah for reading a buffered string.
The use of a buffered string let the user review what they had typed before passing it to the program for processing.
Up to six digits are read (as 65535 = 216 - 1 has ...
Channel adapter is one of message endpoints in Spring Integration. It is used for unidirectional message flow. There are two types of channel adapter:
Inbound Adapter: input side of the channel. Listen or actively read message.
Outbound Adapter: output side of the channel. Send message to Java cla...
In the official reference document, it says:
The main function of an inbound Channel Adapter is to execute a SQL SELECT query and turn the result set as a message. The message payload is the whole result set, expressed as a List, and the types of the items in the list depend on the row-mapping st...
In the Spring Integration Reference Docuement, it says:
The outbound Channel Adapter is the inverse of the inbound: its role is to handle a message and use it to execute a SQL query. The message payload and headers are available by default as input parameters to the query...
Java code
p...
In case you have json with an ISO date string like this
JSON.stringify({date: new Date()})
// -> "{"date":"2016-12-12T13:24:34.470Z"}"
You can map it to elm Date type:
import Html exposing (text)
import Json.Decode as JD
import Date
payload = ""&...
IMPORTANT This is just an example code, do not use in production.
In order to download an header chain we have to send a getHeaders message.
In this example we will require as much as possible headers after the 40000th one.The peer will respond with batch of 2000 headers so, we have to take the la...
//create a new ExcelPackage
using (ExcelPackage excelPackage = new ExcelPackage())
{
//create a datatable
DataTable dataTable = new DataTable();
//add three colums to the datatable
dataTable.Columns.Add("ID", typeof(int));
dataTable.Columns.Add("Type"...
//create a new ExcelPackage
using (ExcelPackage excelPackage = new ExcelPackage())
{
//the query or stored procedure name for the database
string sqlQuery = "SELECT * FROM myTable";
//create a datatable
DataTable dataTable = loadExternalDataSet(sqlQuery);
//c...
OS X
Download and run the OS X installer.
Windows
Download and run the Windows installer 32-bit 64-bit.
Debian/Ubuntu
Run the following to add our apt repository and install the CLI:
$ sudo add-apt-repository "deb https://cli-assets.heroku.com/branches/stable/apt ./"
$ curl -L https...
A synchronous producer-consumer solution ensures that the consumer reads every data item written by the producer exactly one time. Asynchronous solutions allow the consumer to sample the output of the producer. Either the consumer consumes the data faster than it is produced, or the consumer consume...
