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4.after rendering final HTML is created(refer 3.rendering... before this)

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Hello, world!</title> </head> <body> message:"rendered view with ejs" </body> </html>

express • View engine setup

Authentication Mechanisms

MongoDB supports multiple authentication mechanisms. Client and User Authentication Mechanisms SCRAM-SHA-1 X.509 Certificate Authentication MongoDB Challenge and Response (MONGODB-CR) LDAP proxy authentication, and Kerberos authentication Internal Authentication Mechan...

MongoDB • Authentication Mechanisms in MongoDB

Binomial Distribution

We now illustrate the functions dbinom,pbinom,qbinom and rbinom defined for Binomial distribution. The dbinom() function gives the probabilities for various values of the binomial variable. Minimally it requires three arguments. The first argument for this function must be a vector of quantiles(the...

R Language • Distribution Functions

Enable issue tracker in Bitbucket

Go to the repository you want to create issue for, something like: https://bitbucket.org//<repo_name>/ Go to setting, left bottom corner Select Issue tracker under Issues Select the type of the issue tracker you want to enable (no issue tracking, private or public) Click save Now the ...

bitbucket • Create Issue in Bitbucket

Static Analysis Tools

CodeClimate: Cloud Service CodeScan: Cloud Service Clayton.io: Cloud Service VSCode Apex PMD: VS Code extension for realtime static analysis as you code Apex PMD: command line core that runs most the above tools

Salesforce • Tools for Development

Erroneous code, can you spot why this usage of key will lead to bugs?

JavaScript • How to make iterator usable inside async callback function

Save and edit/delete data from Plist

You have already created a plist. This plist will remain same in app. If you want to edit the data in this plist, add new data in plist or remove data from plist, you can't make changes in this file. For this purpose you will have to store your plist in Document Directory. You can edit your plist s...

iOS • plist iOS

What is Unit Testing?

This is a bit of a primer. It's mostly put it in because documentation is forced to have an example, even if it's intended as a stub article. If you already know unit-testing basics, feel free to skip forward to the remarks, where specific frameworks are mentioned. Unit testing is ensuring that a...

Java Language • Unit Testing

Specifying an element in a list

By default, accessing an individual item in a template dom-repeat loop is by calling {{item}}. Passing in an as= attribute to template will allow you to switch out the default {{item}} syntax for something that is more customized to the module you are working with. In this case, we want to grab the ...

polymer-1.0 • Looping, the template dom-repeat.

Removing missing data from a vector

First lets create a vector called Vector1: set.seed(123) Vector1 <- rnorm(20) And add missing data to it: set.seed(123) Vector1[sample(1:length(Vector1), 5)] <- NA Now we can use the is.na function to subset the Vector Vector1 <- Vector1[!is.na(Vector1)] Now the resulting vect...

R Language • Cleaning data

NVL2 to get a different result if a value is null or not

If the first parameter is NOT NULL, NVL2 will return the second parameter. Otherwise it will return the third one. SELECT NVL2(null, 'Foo', 'Bar'), NVL2(5, 'Foo', 'Bar') FROM DUAL; NVL2(NULL,'FOO','BAR')NVL2(5,'FOO','BAR')BarFoo

Oracle Database • Handling NULL values

Lists in lists

A good way to visualize a 2d array is as a list of lists. Something like this: lst=[[1,2,3],[4,5,6],[7,8,9]] here the outer list lst has three things in it. each of those things is another list: The first one is: [1,2,3], the second one is: [4,5,6] and the third one is: [7,8,9]. You can access ...

Python Language • Multidimensional arrays

Create a list with pairs

List in scheme are nothing else than a series of pairs nested in each other in the cdr of a cons. And the last cdr of a proper list is the empty list '(). To create the list (1 2 3 4), we'd have something like this: (cons 4 '()) > (4) (cons 3 (cons 4 '())) > (3 4) (cons 2 (cons 3 (cons 4...

scheme • Pairs

Save to disk

//Using File.WriteAllBytes using (ExcelPackage excelPackage = new ExcelPackage()) { //create a new Worksheet ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets.Add("Sheet 1"); //add some text to cell A1 worksheet.Cells["A1"].Value = "My secon...

epplus • Saving the Excel document

Save to disk with SaveFileDialog

//Using File.WriteAllBytes using (ExcelPackage excelPackage = new ExcelPackage()) { //create a new Worksheet ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets.Add("Sheet 1"); //add some text to cell A1 worksheet.Cells["A1"].Value = "My fourt...