Tutorial by Examples: sin

Recoding missing values Regularly, missing data isn't coded as NA in datasets. In SPSS for example, missing values are often represented by the value 99. num.vec <- c(1, 2, 3, 99, 5) num.vec ## [1] 1 2 3 99 5 It is possible to directly assign NA using subsetting num.vec[num.vec == 99]...

Dictionaries can be constructed by passing it any number of pairs. julia> Dict("A"=>1, "B"=>2) Dict{String,Int64} with 2 entries: "B" => 2 "A" => 1 You can get entries in a dictionary putting the key in square brackets. julia> dic...

SELECT DISTINCT object_name(i.object_id) AS [Object Name], c.name AS [Partition Column], s.name AS [Partition Scheme], pf.name AS [Partition Function], prv.tot AS [Partition Count], prv.miVal AS [Min Boundry Value], prv.maVal AS [Max Boundry Value] FROM sys.object...

ts-node is an npm package which allows the user to run typescript files directly, without the need for precompilation using tsc. It also provides REPL. Install ts-node globally using npm install -g ts-node ts-node does not bundle typescript compiler, so you might need to install it. npm instal...

One of the simpler ways of implementing an authorization system is using the flask-login extension. The project's website contains a detailed and well-written quickstart, a shorter version of which is available in this example. General idea The extension exposes a set of functions used for: log...

Create class like a class below public class MyOptions { public MyOptions() { // Set default value, if you need it. Key1 = "value1_from_ctor"; } public string Key1 { get; set; } public int Key2 { get; set; } } Then you need to add this code ...

Based on a question. The following snippets Does not cache the expected emission and prevents further calls. Instead it re-subscribes to the realSource for every subscription. var state = 5 var realSource = Rx.Observable.create(observer => { console.log("creating expensive HTTP-based emis...

1. Scrolling to target element ("BROWSE TEMPLATES" button at the bottom of page) with Actions from selenium import webdriver from selenium.webdriver.common.action_chains import ActionChains driver = webdriver.Chrome() driver.get('http://www.w3schools.com/') target = driver.find_elem...

/** * An example of nlapiLookupField to retrieve a single field from a related record */ // Get the Sales Rep record ID var repId = nlapiGetFieldValue("salesrep"); // Get the name of the Sales Rep var repName = nlapiGetFieldText("salesrep"); // Retrieve the email...

require(["N/search", "N/currentRecord"], function (s, cr) { /** * An example of N/search#lookupFields to retrieve a single field from a related record */ (function () { var record = cr.get(); // Get the Sales Rep record ID ...

<?php $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "https://api.dropboxapi.com/2/files/list_folder"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CAINFO, "cacert.pem"); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); curl_setopt($ch, CURLOP...

import javax.inject.Singleton; import dagger.Module; import dagger.Provides; @Module public class VehicleModule { @Provides @Singleton Motor provideMotor(){ return new Motor(); } @Provides @Singleton Vehicle provideVehicle(){ return new Vehicle(...

Now that you have the providers for your different models, you need to request them. Just as Vehicle needs Motor, you have to add the @Inject annotation in the Vehicle constructor as follows: @Inject public Vehicle(Motor motor){ this.motor = motor; } You can use the @Inject annotation to ...

Now that you have every connection ready, you have to obtain an instance of this interface and invoke its methods to obtain the object you need: VehicleComponent component = Dagger_VehicleComponent.builder().vehicleModule(new VehicleModule()).build(); vehicle = component.provideVehicle(); Toast.m...

Arrays can be passed to proceedures by putting () after the name of the array variable. Function countElements(ByRef arr() As Double) As Long countElements = UBound(arr) - LBound(arr) + 1 End Function Arrays must be passed by reference. If no passing mechanism is specified, e.g. myFunction...

/** * A SuiteScript 1.0 example of using nlapiSubmitField to update a single field on a related record */ // From a Sales Order, get the Customer ID var customerId = nlapiGetFieldValue("entity"); // Set a comment on the Customer record nlapiSubmitField("customer", c...

/** * A SuiteScript 2.0 example of using N/record#submitFields to update a single field on a related record */ require(["N/record", "N/currentRecord"], function (r, cr) { // From a Sales Order, get the Customer ID var customerId = cr.get().getValue({"field...

Let’s create a new View that requires this authentication mechanism. We need to add these import lines: from rest_framework.authentication import TokenAuthentication from rest_framework.permissions import IsAuthenticated and then create the new View in the same views.py file class AuthView(AP...

If a curl would be run against this endpoint curl http://localhost:8000/auth/ op : {"detail": "Authentication credentials were not provided."}% would return a 401 error UNAUTHORIZED but in case we get a token before: curl -X POST -d "user=Pepe&password=aaaa&qu...

Below give solution can be also use in another supported programming languages with some syntax changes To do Scroll down page/section/division in webpage while there is custom scroll bar(Not browser scroll). Click Here For demo and check scroll bar has its independent element. In belo...