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To save date to CloudKit, we must make: A CKRecordID (the key of your unique record) A CKRecord (which includes data) Making a record key To ensure that every new record identifier is unique, we use the current timestamp, which is unique. We get the timestamp using NSDate's method timeInter...

If static_cast is used to convert a pointer (resp. reference) to base class to a pointer (resp. reference) to derived class, but the operand does not point (resp. refer) to an object of the derived class type, the behavior is undefined. See Base to derived conversion.

c++11 The alignment requirement of a type can be queried using the alignof keyword as a unary operator. The result is a constant expression of type std::size_t, i.e., it can be evaluated at compile time. #include <iostream> int main() { std::cout << "The alignment requiremen...

Check this out: :help holy-grail

If you look for the help section of | or bar : :h bar you can see: bar | To screen column [count] in the current line. exclusive motion. Ceci n'est pas une pipe. This is a reference to the painti...

Search for :h UserGettingBored *UserGettingBored* UserGettingBored When the user presses the same key 42 times. Just kidding! :-)

if ([[dataObject objectForKey:@"yourVariable"] isEqualToString:"Hello World"]) { return YES; } else { return NO; } You can query values stored using KVC quickly and easily, without needing to retrieve or cast these as local variables.

Asp.net is web application framework developed by Microsoft to build dynamic data-driven Web Application and WebServices. Asp.net is basically a subset of wider .NET framework. A framework is nothing but a collection of classes. In .NET Framework you can build Console application. Web Applicatio...

Current date and time can be found with getCurrentTime: import Data.Time print =<< getCurrentTime -- 2016-08-02 12:05:08.937169 UTC Alternatively, just the date is returned by fromGregorian: fromGregorian 1984 11 17 -- yields a Day

Given a Day, we can perform simple arithmetic and comparisons, such as adding: import Data.Time addDays 1 (fromGregorian 2000 1 1) -- 2000-01-02 addDays 1 (fromGregorian 2000 12 31) -- 2001-01-01 Subtract: addDays (-1) (fromGregorian 2000 1 1) -- 1999-12-31 addDays (-1) (fromGregorian...

[footag foo="value of 1" attribute-2="value of 2"] In wordpress admin we use pre defined shortcodes by writing the shortcode name inside square brackets and optionally adding attributes to it separating by space.

function footag_func( $atts ) { return "foo = {$atts['foo']}"; } add_shortcode( 'footag', 'footag_func' ); In plugins we can add shortcodes using the add_shortcode function. The shortcode can be used in any Wordpress page or post just by enclosing it in square brackets. [footag...

<?php echo do_shortcode("[footag foo='Hi! I am a foo output']"); ?> To print a shortcode using php use the do_shortcode function and echo the returned value.

Like Getting a result from another Activity you need to call the Fragment's method startActivityForResult(Intent intent, int requestCode). note that you should not call getActivity().startActivityForResult() as this will take the result back to the Fragment's parent Activity. Receiving the result c...

This program draws some shapes and 'hello world!' and let an image go to every corner of the window. the complete code: import pygame,sys from pygame.locals import * pygame.init() FPS = 30 #frames per second setting fpsClock = pygame.time.Clock() #set up the window screen = pygame.disp...

This code requires that you use the PDFlib library for it to function properly. <?php $pdf = pdf_new(); //initialize new object pdf_begin_document($pdf); //create new blank PDF pdf_set_info($pdf, "Author", "John Doe"); //Set info about your PDF pdf_set_info($pd...

The following C code uses the OpenMP parallel programming model to write the thread ID and number of threads to stdout using multiple threads. #include <omp.h> #include <stdio.h> int main () { #pragma omp parallel { // ID of the thread in the current team ...

EditableAttribute sets whether users should be able to change the value of the class property. public class Employee { [Editable(false)] public string FirstName { get; set; } } Simple usage example in XAML application <Window x:Class="WpfApplication.MainWindow" ...

First of all we need to add SQLite support to our application. There are two ways of doing that Download DLL suiting your system from SQLite download page and then add to the project manually Add SQLite dependency via NuGet We'll do it the second way First open the NuGet menu and search f...

You can use a method annotated with @testSetup to write code that will have been executed before each test run: public class AccountService { public static Account fetchAccount() { return [ SELECT Id, Name FROM Account LIMIT 1 ]; } } @isTest public class AccountServiceTest { priv...