Tutorial by Examples: rom

Intellij IDEA attempts to appeal to the wide Java fanbase which uses Eclipse for their development by allowing developers to migrate their Eclipse projects over to an IDEA structure with a few simple clicks! First, start IDEA and click Import Project from the startup window: Then, select your Ec...

Redux is the most common state management library used with React-Native. The following example demonstrates how to use the fetch API and dispatch changes to your applications state reducer using redux-thunk. export const fetchRecipes = (action) => { return (dispatch, getState) => { f...

You can insert data in a table as the result of a select statement: INSERT INTO person SELECT * FROM tmp_person WHERE age < 30; Note that the projection of the select must match the columns required for the insert. In this case, the tmp_person table has the same columns as person.

CSS body { counter-reset: item-counter; } .item { counter-increment: item-counter; } .item:before { content: counter(item-counter, upper-roman) ". "; /* by specifying the upper-roman as style the output would be in roman numbers */ } HTML <div class='item'>Item...

<button tabindex="-1">This button will not be reachable by tab</button> The element will be removed from the tabbing order but will still be focusable.

go() method The go() method loads a specific URL from the history list. The parameter can either be a number which goes to the URL within the specific position (-1 goes back one page, 1 goes forward one page), or a string. The string must be a partial or full URL, and the function will go to the f...

Using the calendar module import calendar from datetime import date def monthdelta(date, delta): m, y = (date.month+delta) % 12, date.year + ((date.month)+delta-1) // 12 if not m: m = 12 d = min(date.day, calendar.monthrange(y, m)[1]) return date.replace(day=d,month=m, year=...

Three methods are provided that offer the ability to strip leading and trailing characters from a string: str.strip, str.rstrip and str.lstrip. All three methods have the same signature and all three return a new string object with unwanted characters removed. str.strip([chars]) str.strip acts o...

The following compares two files with diff using process substitution instead of creating temporary files. diff <(curl http://www.example.com/page1) <(curl http://www.example.com/page2)

Hashes can be freely converted to and from arrays. Converting a hash of key/value pairs into an array will produce an array containing nested arrays for pair: { :a => 1, :b => 2 }.to_a # => [[:a, 1], [:b, 2]] In the opposite direction a Hash can be created from an array of the same form...

Cloning from a git repository is ten times faster than cloning directly from TFVS and works well in a team environment. At least one team member will have to create the bare git repository by doing the regular git-tfs clone first. Then the new repository can be bootstrapped to work with TFVS. $ git...

Rust's From trait is a general-purpose trait for converting between types. For any two types TypeA and TypeB, impl From<TypeA> for TypeB indicates that an instance of TypeB is guaranteed to be constructible from an instance of TypeA. An implementation of From looks like this: struct TypeA...

ClientContext clientContext = new ClientContext(siteUrl); Web oWebsite = clientContext.Web; ListCollection collList = oWebsite.Lists; IEnumerable<SP.List> listInfo = clientContext.LoadQuery( collList.Include( list => list.Title, list => list.Fields.Include( ...

ClientContext clientContext = new ClientContext(siteUrl); SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements"); CamlQuery camlQuery = new CamlQuery(); camlQuery.ViewXml = "<View><Query><Where><Geq><FieldRef Name='ID'/>" + &qu...

ClientContext clientContext = new ClientContext(siteUrl); SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements"); CamlQuery camlQuery = new CamlQuery(); ListItemCollection collListItem = oList.GetItems(camlQuery); clientContext.Load( collListItem, items =>...

ClientContext clientContext = new ClientContext(siteUrl); ListCollection collList = clientContext.Web.Lists; clientContext.Load( collList, lists => lists.Where( list => list.Hidden == false).Include( list => list.Title, list => list.Items.Take(10)...

ClientContext clientContext = new ClientContext("http://MyServer/sites/MySiteCollection"); GroupCollection collGroup = clientContext.Web.SiteGroups; Group oGroup = collGroup.GetById(7); UserCollection collUser = oGroup.Users; clientContext.Load(collUser); clientContext.ExecuteQuer...

ClientContext oClientContext = new ClientContext("http://MyServer/sites/MySiteCollection"); File oFile = oClientContext.Web.GetFileByServerRelativeUrl("/sites/MySiteCollection/SitePages/Home.aspx "); LimitedWebPartManager limitedWebPartManager = oFile.GetLimitedWebPartManager(P...

You can also use the IEx (Interactive Elixir) shell to evaluate expressions and execute code. If you are on Linux or Mac, just type iex on your bash and press enter: $ iex If you are on a Windows machine, type: C:\ iex.bat Then you will enter into the IEx REPL (Read, Evaluate, Print, Loop),...

Polymer prodives a lot of well built elements for you to use in your app. Browse them in their Element Catalog. Let's go through the workflow of using an element by including paper-input (Documentation) Download the Element To Download an element there are two ways: Bower The convinient way is...