Tutorial by Examples: f

Alternative definition

Since every Applicative Functor is a Functor, fmap can always be used on it; thus the essence of Applicative is the pairing of carried contents, as well as the ability to create it: class Functor f => PairingFunctor f where funit :: f () -- create a context, carrying nothing ...

Haskell Language • Applicative Functor

Sending multi-dimensional data and multiple files with CurlFile in one request

Let's say we have a form like the one below. We want to send the data to our webserver via AJAX and from there to a script running on an external server. So we have normal inputs, a multi-select field and a file dropzone where we can upload multiple files. Assuming the AJAX POST request was succ...

PHP • Using cURL in PHP

NMAKE (Microsoft Program Maintenance Utility)

Introduction NMAKE is a command-line utility developed by Microsoft to be used primarily in conjunction with Microsoft Visual Studio and/or the Visual C++ command line tools. NMAKE is build system that falls under the Make family of build systems, but has certain distinct features that diverge fro...

C++ • Build Systems

Common instances of Applicative

Maybe Maybe is an applicative functor containing a possibly-absent value. instance Applicative Maybe where pure = Just Just f <*> Just x = Just $ f x _ <*> _ = Nothing pure lifts the given value into Maybe by applying Just to it. The (<*>) function applies...

Haskell Language • Applicative Functor

How to setup a nested form in Ruby on Rails

The first to thing to have: a model that contains a has_many relation with another model. class Project < ApplicationRecord has_many :todos end class Todo < ApplicationRecord belongs_to :project end In ProjectsController: class ProjectsController < ApplicationController d...

Ruby on Rails • Nested form in Ruby on Rails

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...

epplus • Saving the Excel document

Interface details

Ifconfig List all the interfaces available on the machine $ ifconfig -a List the details of a specific interface Syntax: $ ifconfig <interface> Example: $ ifconfig eth0 eth0 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx inet addr:x.x.x.x Bcast:x.x.x.x Mask:x.x.x.x ...

GNU/Linux • Network Configuration

Adding IP to an interface

An IP address to an interface could be obtained via DHCP or Static assignment DHCP If you are connected to a network with a DHCP server running, dhclient command can get an IP address for your interface $ dhclient <interface> or alternatively, you could make a change to the /etc/network/...

GNU/Linux • Network Configuration

Configure DNS servers for domain name resolution

File: /etc/resolv.conf contains a list of DNS servers for domain name resolution Sample contents of the file: nameserver 8.8.8.8 # IP address of the primary name server nameserver 8.8.4.4 # IP address of the secondary name server In case internal DNS server you can validate if this server reso...

GNU/Linux • Network Configuration

Remove Binary Data from Form

Sometimes the crashes occur constantly in a single form or report, or occur only when printing. It is possible that the binary data within the form / report has become corrupt. Save the Form / Report object as text There are two undocumented functions. Application.SaveAsText and Application.Load...

ms-access • How to troubleshoot Access crashes

Remove "OLE Object" fields

If you have images or other data stored in Access itself as OLE Objects, then you should find a better approach. When the OLE data is stored, it is stored according to the software (and version of software) on the computer storing it. When another computer goes to display that OLE Object data on the...

ms-access • How to troubleshoot Access crashes

Installation of Pyglet

Install Python, go into the command line and type: Python 2: pip install pyglet Python 3: pip3 install pyglet

Python Language • Pyglet

Static bootstrapping with factory classes

We can statically bootstrap an application by taking the plain ES5 Javascript output of the generated factory classes. Then we can use that output to bootstrap the application: import { platformBrowser } from '@angular/platform-browser'; import { AppModuleNgFactory } from './main.ngfactory'; //...

Angular 2 • Bootstrap Empty module in angular 2

forms.html

<!DOCTYPE html> <html> <head> <base target="_top"> <script> setInterval( function () { document.getElementById('messages').innerHTML = 'Event Timer Fetching'; google.script.run .withSuccessHandler(onS...

google-apps-script • Google Web App Script To Auto Download From Google Drive

Fastfile to build and upload multiple flavors to Beta by Crashlytics

This is a sample Fastfile setup for a multi-flavor app. It gives you an option to build and deploy all flavors or a single flavor. After the deployment, it reports to Slack the status of the deployment, and sends a notification to testers in Beta by Crashlytics testers group. To build and deploy al...

Android • fastlane

For Terminal Prowess & Power Users

Sublime Terminal. Terminal allows use to open your favourite terminal right at the current file or project location you are currently working on in Sublime Text, with handy keyboard shortcuts. It is available through Package Control. SideBar Enhancements. This plugin adds additional functio...

sublimetext3 • Essential Packages

Font styles

//set the font type for cells C1 - C30 worksheet.Cells["C1:C30"].Style.Font.Size = 13; worksheet.Cells["C1:C30"].Style.Font.Name = "Calibri"; worksheet.Cells["C1:C30"].Style.Font.Bold = true; worksheet.Cells["C1:C30"].Style.Font.Color.SetColor(Co...

epplus • Styling the Excel document

Autofit columns

//Make all text fit the cells worksheet.Cells[worksheet.Dimension.Address].AutoFitColumns(); //Autofit with minimum size for the column. double minimumSize = 10; worksheet.Cells[worksheet.Dimension.Address].AutoFitColumns(minimumSize); //Autofit with minimum and maximum size for the c...

epplus • Columns and Rows

OpenMP: Parallel For Loop

This example shows how to divide a loop into equal parts and execute them in parallel. // Splits element vector into element.size() / Thread Qty // and allocate that range for each thread. #pragma omp parallel for for (size_t i = 0; i < element.size(); ++i) element[i] = ... /...

C++ • Concurrency With OpenMP

Fill with a DataTable

//create a new ExcelPackage using (ExcelPackage excelPackage = new ExcelPackage()) { //create a datatable DataTable dataTable = new DataTable(); //add three colums to the datatable dataTable.Columns.Add("ID", typeof(int)); dataTable.Columns.Add("Type"...

epplus • Filling the document with data