Tutorial by Examples: e

Start new Activity

This example explain how to use an Intent for start a new Activity. You need two activities: CurrentActivity DestinationActivity In CurrentActivity you have to created an Intent. For that you have to specify two arguments: Context: It's CurrentActivity, because Activity is a subclass of C...

android-intent • Intent

Use apply to initialize objects or to achieve method chaining

The documentation of apply says the following: calls the specified function block with this value as its receiver and returns this value. While the kdoc is not so helpful apply is indeed an useful function. In layman's terms apply establishes a scope in which this is bound to the object you ca...

Kotlin • Idioms

Start another activity - Hello World of intents

public class CurrentActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.current_activity); Intent intent = new Intent(this, DestinationActivity.c...

android-intent • Getting started with android-intent

HTML example using requireJS CDN to include an already compiled TypeScript file.

<body onload="__init();"> ... <script src="http://requirejs.org/docs/release/2.3.2/comments/require.js"></script> <script> function __init() { require(["view/index.js"]); } </script> </body>...

TypeScript • Using Typescript with RequireJS

tsconfig.json example to compile to view folder using requireJS import style.

{ "module": "amd", // Using AMD module code generator which works with requireJS "rootDir": "./src", // Change this to your source folder "outDir": "./view", ... }

TypeScript • Using Typescript with RequireJS

Camel Domain Specific Language

Camel's DSL (Domain Specific Language) is one of the features that makes Camel standout from other Integration frameworks. While some other frameworks also feature a DSL concept, typically in the form of a XML file, the DSL was in such cases always a custom based language. Camel offers multiple DSL...

apache-camel • Getting started with apache-camel

Sync adapter with every min requesting value from server.

<provider android:name=".DummyContentProvider" android:authorities="sample.map.com.ipsyncadapter" android:exported="false" /> <!-- This service implements our SyncAdapter. It needs to be exported, so that the system sync f...

Android • SyncAdapter with periodically do sync of data

Computing the Hamming weight of a vector

-- loop-based version function hw_loop(v: std_logic_vector) return natural is variable h: natural; begin h := 0; for i in v'range loop if v(i) = '1' then h := h + 1; end if; end loop; return h; end function hw_loop; -- recursive version function hw_tree(v: std_...

vhdl • Recursivity

Adding RichText to a cell

Each element of text you want to use distinct formatting on should be added separately, by adding to the cell's RichText collection property. var cell = ws.Cells[1,1]; cell.IsRichText = true; // Cell contains RichText rather than basic values cell.Style.WrapText = true; // Required to honor n...

epplus • Rich Text in cells

Text formatting Properties

There are a number of properties that can be applied to sections of RichText. var title = cell.RichText.Add("This is my title"); // Data Type: bool // Default Value: false title.Bold = true; // Data Type: System.Drawing.Color // Default Value: Color.Black title.Color = C...

epplus • Rich Text in cells

Enable disk persistence (Android / iOS only)

To enable disk persistence you should enable the flag persistenceEnabled in the FirebaseDatabaseInstance object of your application: Android FirebaseDatabase.getInstance().setPersistenceEnabled(true); iOS Database.database().isPersistenceEnabled = true //Swift [FIRDatabase database].persisten...

firebase • Firebase Offline Capabilities

Keeping data fresh (Android/iOs Only)

Firebase synchronizes and stores a local copy of the data for active listeners when used on mobile devices. In addition, you can keep specific locations in sync. Android : DatabaseReference workoutsRef = FirebaseDatabase.getInstance().getReference("workouts"); scoresRef.keepSynced(true)...

firebase • Firebase Offline Capabilities

Installation Drupal 7 in steps

Step 1: Download and extract Drupal Drupal is available in two supported versions: the most recent and the previous. Currently that is Drupal 8 (released November 2015) and Drupal 7. The Recommended releases are the latest stable releases of either version. To learn more about versions, see the Dru...

drupal-7 • Getting started with drupal-7

INDEX Hints

Index hints are used to force a query to use a specific index, instead of allowing SQL Server's Query Optimizer to choose what it deems the best index. In some cases you may gain benefits by specifying the index a query must use. Usually SQL Server's Query Optimizer chooses the best index suited for...

Microsoft SQL Server • Query Hints

Parallelize repetitive tasks on list of files

Many repetitive jobs can be performed more efficiently if you utilize more of your computer's resources (i.e. CPU's and RAM). Below is an example of running multiple jobs in parallel. Suppose you have a < list of files >, say output from ls. Also, let these files are bz2 compressed and the fo...

Bash • Parallel

Parallelize STDIN

Now, let's imagine we have 1 large file (e.g. 30 GB) that needs to be converted, line by line. Say we have a script, convert.sh, that does this <task>. We can pipe contents of this file to stdin for parallel to take in and work with in chunks such as <stdin> | parallel --pipe --block &l...