Tutorial by Examples: f

You can make function passed to test() method async - then you can use await keyword. Your test will wait until Promises resolve and testing asynchronous code becomes easier and more readable. In the following example call that returns a Promise is changeset.validate(). Please notice also wrapping s...

using Newtonsoft.Json.Linq; using System.Collections.Generic; public class JsonFieldsCollector { private readonly Dictionary<string, JValue> fields; public JsonFieldsCollector(JToken token) { fields = new Dictionary<string, JValue>(); CollectFields...

Let's say Joe owns a website that allows you to log on, view puppy videos, and save them to your account. Whenever a user searches on that website, they are redirected to https://example.com/search?q=brown+puppies. If a user's search doesn't match anything, than they see a message along the lines ...

Let's say that Bob owns a site that lets you post public messages. The messages are loaded by a script that looks like this: addMessage("Message 1"); addMessage("Message 2"); addMessage("Message 3"); addMessage("Message 4"); addMessage("Message 5&qu...

If you don't think that malicious scripts can harm your site, you are wrong. Here is a list of what a malicious script could do: Remove itself from the DOM so that it can't be traced Steal users' session cookies and enable the script author to log in as and impersonate them Show a fake "Yo...

public class Equatable { public string field1; public override bool Equals(object obj) { if (ReferenceEquals(null, obj)) return false; if (ReferenceEquals(this, obj)) return true; var type = obj.GetType(); if (GetType() != type) re...

There are three types of annotations. Marker Annotation - annotation that has no method @interface CustomAnnotation {} Single-Value Annotation - annotation that has one method @interface CustomAnnotation { int value(); } Multi-Value Annotation - annotation that...

This way can be so helpfull, but, some people (like me) are afreak of repeat code, and like you are showin us, it means that I need to create a contact controller with the same code on each proyect that we have, so, I thing that this can be helpfull too This is my class, that can be on a DLL or wha...

To get the latest release go to https://cran.r-project.org/ and download the file for your operating system. Open the downloaded file and follow the on-screen installation steps. All the settings can be left on default unless you want to change a certain behaviour.

You can also update R from within R by using a handy package called installr. Open R Console (NOT RStudio, this doesn't work from RStudio) and run the following code to install the package and initiate update. install.packages("installr") library("installr") updateR()

import pip command = 'install' parameter = 'selenium' second_param = 'numpy' # You can give as many package names as needed switch = '--upgrade' pip.main([command, parameter, second_param, switch]) Only needed parameters are obligatory, so both pip.main(['freeze']) and pip.main(['freeze'...

Many packages for example on version 3.4 would run on 3.6 just fine, but if there are no distributions for specific platform, they can't be installed, but there is workaround. In .whl files (known as wheels) naming convention decide whether you can install package on specified platform. Eg. scikit_l...

binary_to_term().

Initializing data structure #include <stdio.h> #include <string.h> #include <ei.h> Encoding number #include <stdio.h> #include <ei.h> int main() { } Encoding atom Encoding tuple Encoding list Encoding map

To understand the filter expressions, we should start with Filter Term. This is a simple array of strings, containing at least 3 elements: Filter (Field/Join field/Formula/Summary) Operator (search.Operator) Values (string value(or array of string values), to be used as filter parameter) //...

Simple filter expression is also an array. It contains one or more filter terms, combined with operators - 'AND', 'OR', 'NOT'. (Operators are case insensitive): [ ['mainline', 'is', 'T'], 'and', ['type','anyof',['CustInvc','CustCred']], 'and', 'not', ['amount', 'equalto', '0.00'], 'or'...

Filter expressions cannot include Filter Objects. This is very important. If you decide to form your filters with Filter Expression, you use array of string arrays. The following syntax is wrong: // WRONG!!! var f1 = search.createFilter({ name: 'mainline', operator: searc...

Here you can find the list of available search filter values for date fileds: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_N3010842.html These you can use in expressions like: ['trandate', 'notbefore', 'daysAgo17'] Here are the search operators: https://system.netsui...

iPhone App import WatchConnectivity and conform to WCSessionDelegate. use the static session delegate via WCSession.default(). Send data to Watch app using: WCSession.default().sendMessage(message, replyHandler:_ errorHandler:_) The message object should be a dictionary of type [Stri...

WatchKit App import WatchConnectivity and conform to WCSessionDelegate. use the static session delegate via WCSession.default(). Send data to the iPhone app using: WCSession.default().sendMessage(message, replyHandler:_ errorHandler:_) The message object should be a dictionary of typ...