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Call this function with parameter argument as array with type 'any'. It will return you json string. Json string is used to submit array in web service call as request input parameter in Swift. //----------------------- let array = [["one" : 1], ["two" : 2], ["three" ...

Detailed instructions on getting apache-zookeeper set up or installed.

You can install ImageMagick from source or Binary. In case of Windows Binary Download executable binary file. And simply click on the appropriate version and it will launch itself and follow the wizard. You can type the following command to find out whether ImageMagick is successfully installed o...

This example demonstrate how to dynamically insert data into MySQL using Python Scrapy. You do not need to edit pipelines.py file for any project. This example can be used for all your project. Just yield you_data_dictionary from your Spider and inside pipelines.py a query will be created automat...

Enable pipelines in your settings.py ITEM_PIPELINES = { 'project_folder.pipelines.MyPipeline': 100 } Then write this code in items.py # -*- coding: utf-8 -*- from scrapy import Item, Field from collections import OrderedDict class DynamicItem(Item): def __setitem__(self, key, v...

Create a new Xamarin Forms app using PCL File -> New Solution -> Multiplatform App -> Xamarin Forms -> Forms App; Name the project as EffectsDemo Under the iOS project, add a new Effect class that inherits from PlatformEffect class and overrides the methods OnAttached, OnDetached and ...

There may be multiple reason why you want to create a text file in batch. But whatever the reason may be, this is how you do it. If you want to overwrite an existing text file use >. Example: @echo off echo info to save > text.txt But if you want to append text to an already existing t...

Detailed instructions on getting mongodb-query set up or installed.

You may want to copy files from one place to another. In this example we'll teach you. You can use the command xcopy. The syntax is xcopy c:\From C:\To Example: @echo off xcopy C:\Folder\text.txt C:\User\Username\Desktop There are also switches you can use. If you want to view them open up co...

Event Type- DDL_COMMAND_START DDL_COMMAND_END SQL_DROP This is example for creating an Event Trigger and logging DDL_COMMAND_START events. CREATE TABLE TAB_EVENT_LOGS( DATE_TIME TIMESTAMP, EVENT_NAME TEXT, REMARKS TEXT ); CREATE OR REPLACE FUNCTION FN_LOG_EVENT() RETURNS EVE...

var="hello" function foo(){ local var="sup?" echo "inside function, var=$var" } foo echo "outside function, var=$var" Will output inside function, var=sup? outside function, var=hello

Most examples show instantiating and holding a LazySingleton object until the owning application has terminated, even if that object is no longer needed by the application. A solution to this is to implement IDisposable and set the object instance to null as follows: public class LazySingleton : ID...

ghcjs can be invoked with the same command line arguments as ghc. The generated programs can be run directly from the shell with Node.js and SpiderMonkey jsshell. for example: $ ghcjs -o helloWorld helloWorld.hs $ node helloWorld.jsexe/all.js Hello world!

$model = Mage::getModel('catalog/product')->getCollection() Filter based on store: $mode->addStoreFilter($storeId) Filter based on product type: $mode->addAttributeToFilter('type_id', 'configurable') $mode->addAttributeToFilter('type_id', 'simple') Filter based on status: $m...

{-# LANGUAGE RecordWildCards #-} import Text.XML.Light data Package = Package { pOrderNo :: String , pOrderPos :: String , pBarcode :: String , pNumber :: String } -- | Create XML from a Package instance Node Package where node qn Package {..} = node qn [ un...

A static data member of the class may be fully defined within the class definition if it is declared inline. For example, the following class may be defined in a header. Prior to C++17, it would have been necessary to provide a .cpp file to contain the definition of Foo::num_instances so that it wou...

Since a signal handler will be called by the kernel using the C calling convention, we must tell the compiler to use the C calling convention when compiling the function. volatile sig_atomic_t death_signal = 0; extern "C" void cleanup(int signum) { death_signal = signum; } int mai...

A C library header can usually be included into a C++ program, since most declarations are valid in both C and C++. For example, consider the following foo.h: typedef struct Foo { int bar; } Foo; Foo make_foo(int); The definition of make_foo is separately compiled and distributed with the...

An explicit instantiation definition creates and declares a concrete class, function, or variable from a template, without using it just yet. An explicit instantiation can be referenced from other translation units. This can be used to avoid defining a template in a header file, if it will only be i...

import sys from PyQt4.QtCore import * from PyQt4.QtGui import * def window(): app = QApplication(sys.argv) win = QDialog() b1 = QPushButton(win) b1.setText("Button1") b1.move(50,20) b1.clicked.connect(b1_clicked) b2 = QPushButton(win) b2.setText(&quot...