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4.0.3 Using a CustomTabsIntent, it is now possible to configure Chrome custom tabs in order to customize key UI components in the browser that is opened from your app. This is a good alternative to using a WebView for some cases. It allows loading of a web page with an Intent, with the added abil...

There are few approaches available there: You can subscribe for keyboard appearance events notifications and change offset manually: //Swift 2.0+ override func viewDidLoad() { super.viewDidLoad() NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(YourVCClas...

lst = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'] lst[::2] # Output: ['a', 'c', 'e', 'g'] lst[::3] # Output: ['a', 'd', 'g']

app/assets/javascripts/channels/notifications.coffee App.notifications = App.cable.subscriptions.create "NotificationsChannel", connected: -> # Called when the subscription is ready for use on the server $(document).on "change", "input", (e)=> ...

Java-like enumerations can be created by extending Enumeration. object WeekDays extends Enumeration { val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Value } def isWeekend(day: WeekDays.Value): Boolean = day match { case WeekDays.Sat | WeekDays.Sun => true case _ => false } isWeekend...

The String List passed as a parameter to the share() method contains the paths of all the files you want to share. It basically loops through the paths, adds them to Uri, and starts the Activity which can accept Files of this type. public static void share(AppCompatActivity context,List<Strin...

Getting current date is very easy. You get NSDate object of current date in just single line as follows: Swift var date = NSDate() Swift 3 var date = Date() Objective-C NSDate *date = [NSDate date];

The number of seconds from the current date and time for the new date. Use a negative value to specify a date before the current date. For doing this we have a method named dateWithTimerIntervalSinceNow(seconds: NSTimeInterval) -> NSDate (Swift) or + (NSDate*)dateWithTimeIntervalSinceNow:(NSTime...

getPreferences(int) returns the preferences saved by Activity's class name as described in the docs : Retrieve a SharedPreferences object for accessing preferences that are private to this activity. This simply calls the underlying getSharedPreferences(String, int) method by passing in this acti...

<p contenteditable>This is an editable paragraph.</p> Upon clicking on the paragraph, the content of it can be edited similar to an input text field. When the contenteditable attribute is not set on an element, the element will inherit it from its parent. So all child text of a conte...

"dependencies": { "module-name": "0.1.0" } exact: 0.1.0 will install that specific version of the module. newest minor version: ^0.1.0 will install the newest minor version, for example 0.2.0, but won't install a module with a higher major version e.g. 1.0.0 newe...

Look at the contents of /etc/redhat-release cat /etc/redhat-release Here is the output from a Fedora 24 machine: Fedora release 24 (Twenty Four) As mentioned in the debian-based response, you can also use the lsb_release -a command, which outputs this from a Fedora 24 machine: LSB Version: ...

<?php namespace models; use yii\db\ActiveRecord; use yii\behaviors\TimestampBehavior; class Post extends ActiveRecord { public static function tableName() { return 'post'; } public function rules() { ...

You have to keep the operator precedence in mind when using await keyword. Imagine that we have an asynchronous function which calls another asynchronous function, getUnicorn() which returns a Promise that resolves to an instance of class Unicorn. Now we want to get the size of the unicorn using th...

The Oracle SQL and PL/SQL || operator allows you to concatenate 2 or more strings together. Example: Assuming the following customers table: id firstname lastname --- ----------- ---------- 1 Thomas Woody Query: SELECT firstname || ' ' || lastname || ' is in my database.' a...

Interaction with the history # List all previous commands history # Clear the history, useful if you entered a password by accident history -c Event designators # Expands to line n of bash history !n # Expands to last command !! # Expands to last command starting with "text&qu...

The fetch function does not send cookies by default. There are two possible ways to send cookies: Only send cookies if the URL is on the same origin as the calling script. fetch('/login', { credentials: 'same-origin' }) Always send cookies, even for cross-origin calls. fetch('htt...

Examples below are given in Ruby, but same matchers should be available in any modern language. Let’s say we have the string "AℵNaïve", produced by Messy Artificial Intelligence. It consists of letters, but generic \w matcher won’t match much: ▶ "AℵNaïve"[/\w+/] #⇒ "A&q...

The "c" (or currency) format specifier converts a number to a string that represents a currency amount. string.Format("{0:c}", 112.236677) // $112.23 - defaults to system Precision Default is 2. Use c1, c2, c3 and so on to control precision. string.Format("{0:C1}"...

The splice()method can be used to remove elements from an array. In this example, we remove the first 3 from the array. var values = [1, 2, 3, 4, 5, 3]; var i = values.indexOf(3); if (i >= 0) { values.splice(i, 1); } // [1, 2, 4, 5, 3] The splice() method can also be used to add elemen...