Tutorial by Examples: id

First make utility class or use this method in class needed public class UIUtils { public static BitmapImageViewTarget getRoundedImageTarget(@NonNull final Context context, @NonNull final ImageView imageView, final float radius) { retur...

This will trigger the native email client for sharing text. Parameters : Email To address, Subject, Body. Code Sample : you can call the function wherever you need, (mostly inside click listeners) like below Calling function shareEmail("[email protected]", "Email sharing example&q...

The power of idling resources lies in not having to wait for some app's processing (networking, calculations, animations, etc.) to finish with sleep(), which brings flakiness and/or prolongs the tests run. The official documentation can be found here. Implementation There are three things that you...

Python uses internal caching for a range of integers to reduce unnecessary overhead from their repeated creation. In effect, this can lead to confusing behavior when comparing integer identities: >>> -8 is (-7 - 1) False >>> -3 is (-2 - 1) True and, using another example: ...

The $http service is a function which generates an HTTP request and returns a promise. General Usage // Simple GET request example: $http({ method: 'GET', url: '/someUrl' }).then(function successCallback(response) { // this callback will be called asynchronously // when the respo...

Random UUID Swift func randomUUID() -> NSString{ return NSUUID.UUID().UUIDString() } Objective-C + (NSString *)randomUUID { if(NSClassFromString(@"NSUUID")) { // only available in iOS >= 6.0 return [[NSUUID UUID] UUIDString]; } CFUUIDRef uuidRef = ...

Grid is used to create table layouts. Basic rows and columns definitions <Grid> <!-- Define 3 columns with width of 100 --> <Grid.ColumnDefinitions> <ColumnDefinition Width="100"/> <ColumnDefinition Width="100"/> <ColumnDefi...

Overview The Rigidbody component gives a GameObject a physical presence in the scene in that it is able to respond to forces. You could apply forces directly to the GameObject or allow it to react to external forces such as gravity or another Rigidbody hitting it. Adding a Rigidbody component Y...

Related to Monads are F# computation expressions (CE). A programmer typically implements a CE to provide an alternative approach to chaining Monads, ie instead of this: let v = m >>= fun x -> n >>= fun y -> return_ (x, y) You can write this: let v = ce { let! x = m ...

It is good practice to test the calling program's __name__ variable before executing your code. import sys def main(): # Your code starts here # Don't forget to provide a return code return 0 if __name__ == "__main__": sys.exit(main()) Using this pattern ens...

curl -XGET 'http://www.example.com:9200/myIndexName/myTypeName/1' Output: { "_index" : "myIndexName", "_type" : "myTypeName", "_id" : "1", "_version" : 1, "found": true, "_source&qu...

db.posts.find().forEach(function(doc){ db.accounts.update({_id: doc._id}, {$set: {'_id': doc._id.str }}, false, true); });

db.posts.find().forEach(function(doc){ if(doc._id){ db.posts.update({_id: doc._id}, {$set:{ timestamp: new Date(parseInt(doc._id.str.slice(0,8), 16) *1000) }}, false, true); } });

var timestamp = Math.floor(new Date(1974, 6, 25).getTime() / 1000); var hex = ('00000000' + timestamp.toString(16)).substr(-8); // zero padding var objectId = new ObjectId(hex + new ObjectId().str.substring(8));

These functions are used to check Mouse Button Clicks. Input.GetMouseButton(int button); Input.GetMouseButtonDown(int button); Input.GetMouseButtonUp(int button); They all take the-same parameter. 0 = Left Mouse Click. 1 = Right Mouse Click. 2 = Middle Mouse Click. GetMouseButton i...

Retrieve the last ID generated by an INSERT query on a table with an AUTO_INCREMENT column. Object-oriented Style $id = $conn->insert_id; Procedural Style $id = mysqli_insert_id($conn); Returns zero if there was no previous query on the connection or if the query did not update an AUTO...

CSS div { height: 200px; width: 200px; background: url(http://lorempixel.com/200/200/nature/1); mask-image: linear-gradient(to right, white, transparent); } HTML <div></div> In the above example there is an element with an image as its background. The mask that is a...

CSS div { width: 200px; height: 200px; background: url(http://lorempixel.com/200/200/abstract/6); mask-image: radial-gradient(circle farthest-side at center, transparent 49%, white 50%); /* check remarks before using */ } HTML In the above example, a transparent circle is created...

A try-finally block may be nested inside a try-except block. try AcquireResources; try UseResource; finally ReleaseResource; end; except on E: EResourceUsageError do begin HandleResourceErrors; end; end; If an exception occurs inside UseResource, then execution...

A try-except block may be nested inside a try-finally block. AcquireResource; try UseResource1; try UseResource2; except on E: EResourceUsageError do begin HandleResourceErrors; end; end; UseResource3; finally ReleaseResource; end; If an EResourceUsageE...