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Once you first add the Facebook login/signup, the button looks something like: Most of the times, it doesn't match with the design-specs of your app. And here's how you can customize it: <FrameLayout android:layout_below="@+id/no_network_bar" android:id="@+id/FrameLay...

Add a init.gradle to your user gradle folder. The init.gradle is recognized on every project. Unix: ~/.gradle/init.gradle These are also alternative locations where init script can be placed and loaded automatically:- Any *.gradle file in USER_HOME/.gradle/init.d Any *.gradle file in t...

using System; public class Program { public static void Main() { var date = new DateTime(2016,12,31); Console.WriteLine(date.ToString()); //Outputs: 12/31/2016 12:00:00 AM Console.WriteLine(date.ToShortDateString()); //Out...

Swift let isPushEnabled = UIApplication.sharedApplication().isRegisteredForRemoteNotifications()

The logic of registering for push notification is recommended to be added in AppDelegate.swift as the callback functions (success, failure) will be called their. To register just do the following: let application = UIApplication.sharedApplication() let settings = UIUserNotificationSettings(forType...

This example is written with F# in mind but the ideas are applicable in all environments The first rule when optimizing for performance is to not to rely assumption; always Measure and Verify your assumptions. As we are not writing machine code directly it is hard to predict how the compiler an...

An interesting but rather unknown usage of Active Patterns in F# is that they can be used to validate and transform function arguments. Consider the classic way to do argument validation: // val f : string option -> string option -> string let f v u = let v = defaultArg v "Hello&quo...

You can specify different dependencies for each platforms: "net45": { "frameworkAssemblies": { "System.Linq": "4.1.0" } }, "netstandard1.3": { "dependencies": { "NETStandard.Library": "1.6....

int arr[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; int i; for(i = 0; i < 10; i++) { printf("%d\n", arr[i]); }

int [] arr = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; for(int value : arr) { System.out.print(value); System.out.print("\n"); } *Note that the Java foreach is just a for loop with different syntax. Some languages do this and some such as C# use foreach.

Although this works only for WebKit based browsers, this is helpful: /* ----------- Non-Retina Screens ----------- */ @media screen and (min-width: 1200px) and (max-width: 1600px) and (-webkit-min-device-pixel-ratio: 1) { } /* ----------- Retina Screens ----------- */ @media scre...

It is possible to perform ViewActions on a view using the perform method. The ViewActions class provides helper methods for the most common actions, like: ViewActions.click() ViewActions.typeText() ViewActions.clearText() For example, to click on the view: onView(...).perform(click()); onVi...

Many of the console's print methods can also handle C-like string formatting, using % tokens: console.log('%s has %d points', 'Sam', 100); Displays Sam has 100 points. The full list of format specifiers in Javascript is: SpecifierOutput%sFormats the value as a string%i or %dFormats the value a...

Default date format: "mm/dd/yy" The following example shows how you can set the date format in initialization with the dateFormat option. <input type="text" id="datepicker"> <script> $("#datepicker").datepicker({ dateFormat: "...

The target attribute specifies a name or a keyword that indicates where to display the response that is received after submitting the form. The target attribute defines a name of, or keyword for, a browsing context (e.g. tab, window, or inline frame). From Tag with a target attribute: <form ta...

private final OkHttpClient client = new OkHttpClient(); public void run() throws Exception { RequestBody formBody = new FormBody.Builder() .add("search", "Jurassic Park") .build(); Request request = new Request.Builder() .url("https:...

You can change the url of an existing remote by the command git remote set-url remote-name url

Casting: The Basics Casting is used to transform data from long to wide format. Starting with a long data set: DT = data.table(ID = rep(letters[1:3],3), Age = rep(20:22,3), Test = rep(c("OB_A","OB_B","OB_C"), each = 3), Result = 1:9) We can cast our data using the...

Here is typical error handler for a subform as a table: Public Const cErrCodeValueRequierd = 3162 Public Const cErrCodeDuplicateKey = 3022 Private Sub Form_Error(DataErr As Integer, Response As Integer) Select Case DataErr Case cErrCodeDuplicateKey MsgBox "Duplic...

General syntax: DATEADD (datepart , number , datetime_expr) To add a time measure, the number must be positive. To subtract a time measure, the number must be negative. Examples DECLARE @now DATETIME2 = GETDATE(); SELECT @now; --2016-07-21 14:39:46.4170000 SELECT DAT...