Tutorial by Examples: u

HTML: <div class="wrapper"> <img src="http://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-icon.png?v=c78bd457575a"> </div> CSS: .wrapper{ position:relative; height: 600px; } .wrapper img { position: absolute; top: 0; le...
Filetype plugins for foo filetype are sourced in that order: 1. $HOME/.vim/ftplugin/foo.vim. Be careful with what you put in that file as it may be overridden by $VIMRUNTIME/ftplugin/foo.vim -- under windows, it'll be instead $HOME/vimfiles/ftplugin/foo.vim 2. $VIMRUNTIME/ftplugin/foo.vim. Like ev...
Having culture-specific URLs can be beneficial in terms of SEO. E.g. English version of the following page: http://www.mydomain.com/insurance Would translate into: http://www.mydomain.nl/verzekering Instead of: http://www.mydomain.nl/nl-nl/insurance There are more approaches of achievin...
class Functor f where fmap :: (a -> b) -> f a -> f b One way of looking at it is that fmap lifts a function of values into a function of values in a context f. A correct instance of Functor should satisfy the functor laws, though these are not enforced by the compiler: fmap id = i...
The Data.Functor module contains two combinators, <$ and $>, which ignore all of the values contained in a functor, replacing them all with a single constant value. infixl 4 <$, $> <$ :: Functor f => a -> f b -> f a (<$) = fmap . const $> :: Functor f => f a ...
When we refer the module in the code, node first looks up the node_module folder inside the referenced folder in required statement If the module name is not relative and is not a core module, Node will try to find it inside the node_modules folder in the current directory. For instance, if you do...
Detailed instructions on getting travis-ci set up or installed.
Introduction C/C++ IDE for ARM development. Atollic TrueSTUDIO® is tested and verified on the following Operating Systems: Microsoft® Windows ®Vista (32-bit version) Microsoft® Windows® Vista (64-bit version) Microsoft® Windows® 7 (32-bit version) Microsoft® Windows® 7 (64-bit version) Micr...
Some of the queryFor* methods available in JdbcTemplate are useful for simple sql statements that perform CRUD operations. Querying for Date String sql = "SELECT create_date FROM customer WHERE customer_id = ?"; int storeId = jdbcTemplate.queryForObject(sql, java.util.Date.class, custom...
int storeId = 1; DataSource dataSource = ... // JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource); String sql = "SELECT * FROM customer WHERE store_id = ?"; List<Map<String, Object>> mapList = jdbcTemplate.queryForList(sql, storeId); for(Map<String, Object> ...
Lists as arguments are just another variable: def func(myList): for item in myList: print(item) and can be passed in the function call itself: func([1,2,3,5,7]) 1 2 3 5 7 Or as a variable: aList = ['a','b','c','d'] func(aList) a b c d
In addition to libraries defined in EcmaScript language specification and EcmaScript internationalization API specification, d8 also implements the following functions and objects. print(args...): function. Print to stdout. printErr(args...): function. Print to stderr. write(args...): function....
This example consists of three parts: server.py - CherryPy application that can receive and save a file. webpage.html - Example how to upload a file to server.py from a webpage. cli.py - Example how to upload a file to server.py from a command line tool. Bonus - upload.txt - file that you will...
WPF does not support displaying anything other than an image as a splash screen out-of-the-box, so we'll need to create a Window which will serve as a splash screen. We're assuming that we've already created a project containing MainWindow class, which is to be the application main window. First of...
Parameters Nullable type hint was added in PHP 7.1 using the ? operator before the type hint. function f(?string $a) {} function g(string $a) {} f(null); // valid g(null); // TypeError: Argument 1 passed to g() must be of the type string, null given Before PHP 7.1, if a parameter has a typ...
# app/channels/application_cable/connection.rb module ApplicationCable class Connection < ActionCable::Connection::Base identified_by :current_user def connect self.current_user = find_verified_user logger.add_tags 'ActionCable', current_user.id # Can replace...
One day I had a conversation with a friend of mine who uses Laravel PHP framework in his job. When I told him that Django has its own all-included HTML CRUD system, for interacting with the database, called Django admin, his eyes popped off! He told me: "It took me months to build an Admin inte...
Add the following code in you main program. var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`") var memprofile = flag.String("memprofile", "", "write memory profile to `file`") func main() { flag.Parse() ...
// Sets the CPU profiling rate to hz samples per second // If hz <= 0, SetCPUProfileRate turns off profiling runtime.SetCPUProfileRate(hz) // Controls the fraction of goroutine blocking events that are reported in the blocking profile // Rate = 1 includes every blocking event in the profil...
Open a new Query Window with current connection (Ctrl + N) Toggle between opened tabs (Ctrl + Tab) Show/Hide Results pane (Ctrl + R) Execute highlighted query (Ctrl + E) Make selected text uppercase or lowercase (Ctrl + Shift + U, Ctrl + Shift + L) Intellisense list member and complete word (...

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