Tutorial by Examples: f

Flashing With Categories

Set second argument when use flash() in view function: flash('Something was wrong!', 'error') In the template, set with_categories=true in get_flashed_messages(), then you get a list of tuples in the form of (message, category), so you can use category as a HTML class. {% with messages = get_fl...

Flask • Message Flashing

String Buffer class

Key Points :- used to created mutable (modifiable) string. Mutable :- Which can be changed. is thread-safe i.e. multiple threads cannot access it simultaneously. Methods :- public synchronized StringBuffer append(String s) public synchronized StringBuffer insert(int off...

Java Language • StringBuffer

Loading a glTF model via URL

<a-scene> <a-entity gltf-model="url(https://cdn.rawgit.com/KhronosGroup/glTF-Sample-Models/9176d098/1.0/Duck/glTF/Duck.gltf)" position="0 0 -5"></a-entity> </a-scene>

aframe • gltf-model (component)

Loading a gltf-model via the asset system

<a-scene> <a-assets> <a-asset-item id="duck" src="https://cdn.rawgit.com/KhronosGroup/glTF-Sample-Models/9176d098/1.0/Duck/glTF/Duck.gltf"></a-asset-item> </a-assets> <a-entity gltf-model="#duck" position="0 0 -5&quo...

aframe • gltf-model (component)

Scaffold skeleton project with `composer` and @akrabats `Slim-Skeleton`

Depending on whether you have installed composer globally or locally. Locally: php composer.phar create-project slim/slim-skeleton {my-app-name} Globally: composer create-project slim/slim-skeleton {my-app-name} If you are running a webserver (ex. Apache or nginx) point your virtualho...

slim • Getting started with slim

Create a Excel file

MemoryStream excelMS = GetExcelFile(); //Using Resposne Stream to Make File Available for User to Download; Response.Clear(); Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; Response.AddHeader("Content-Disposition", string.F...

apache-poi • Getting started with NPOI

LOWER-CASE function

MOVE FUNCTION LOWER-CASE("HELLO WORLD!") TO SOME-FIELD DISPLAY SOME-FIELD Output hello world!

cobol • Intrinsic Functions

Possible pitfall due to trigraphs

C99 While writing // delimited comments, it is possible to make a typographical error that affects their expected operation. If one types: int x = 20; // Why did I do this??/ The / at the end was a typo but now will get interpreted into \. This is because the ??/ forms a trigraph. The ??/ tri...

C Language • Comments

Powershell/batch hybrid without temp files

This is the approach proposed by the stackoverflow's user rojo which also can handle the command line arguments : <# : batch portion @echo off & setlocal (for %%I in ("%~f0";%*) do @echo(%%~I) | ^ powershell -noprofile "$argv = $input | ?{$_}; iex (${%~f0} | out-string)&q...

batch-file • Batch files and Powershell hybrids

Order of parameters

The problem with type arguments being implicit becomes obvious once we have more than one. Which order do they come in? const :: a -> b -> a Does writing const @Int mean a is equal to Int, or is it b? In case we explicitly state the type parameters using a forall like const :: forall a b....

Haskell Language • Type Application

Customize the Azure AD B2C user interface

The Azure AD B2C login screen can be customized to suit our branding. Refer Customizing the UI Refer https://github.com/NewtonJoshua/Azure-ADB2C-Angularjs-sample In this sample we have two customized UI screens, AD B2C Sign in ansd Sign up page: adCustomPages/unified.html AD B2C Password reset...

azure-active-directory • Getting started with azure-active-directory

Creating a simple UNNotificationContentExtension

Step 1 Making the environment suitable for Notification. Make sure you enabled Background Modes and Push Notification Step 2: Creating an UNNotificationContentExtension Click on the + icon in the bottom which creates a target template and select Notification Content Extention -> next -> ...

iOS • Rich Notifications

Use let or also to simplify working with nullable objects

let in Kotlin creates a local binding from the object it was called upon. Example: val str = "foo" str.let { println(it) // it } This will print "foo" and will return Unit. The difference between let and also is that you can return any value from a let block. also ...

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

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