Tutorial by Examples: re

You can also make a switch statement switch based on the class of the thing you're switching on. An example where this is useful is in prepareForSegue. I used to switch based on the segue identifier, but that's fragile. if you change your storyboard later and rename the segue identifier, it breaks ...

a@coolbox:~/workspace$ express --ejs my-app a@coolbox:~/workspace$ cd my-app a@coolbox:~/workspace/my-app$ npm install a@coolbox:~/workspace/my-app$ npm start

Cache references to avoid the expensive calls especially in the update function. This can be done by caching these references on start if available or when available and checking for null/bool flat to avoid getting the reference again. Examples: Cache component references change void Update() {...

The default encryption aes-128-ecb uses Electronic Codebook (ECB) mode, which is insecure and should never be used. Instead, add the following to your configuration file: block_encryption_mode = aes-256-cbc

Using PowerShell executed from a SharePoint Web Server: $wacoll = get-spwebapplication foreach($wa in $wacoll){ if($wa.IsAdministrationWebApplication -eq $false){ foreach($site in $wa.Sites){ foreach($web in $site.AllWebs){ # your code here ...

Using PostgreSQLnpm module. install dependency from npm npm install pg --save Now you have to create a PostgreSQL connection, which you can later query. Assume you Database_Name = students, Host = localhost and DB_User= postgres var pg = require("pg") var connectionString = &q...

PS> $ErrorActionPreference = "Continue" (1) PS> & console_app.exe *>&1 | % { $_ } (2) PS> & console_app.exe *>&1 | ? { $_ -is [System.Management.Automation.ErrorRecord] } (3) PS> & console_app.exe *>&1 | ? { $_ -is [System.Management.Automati...

To add a resource to the cache you must provide a key and the resource. First make sure that the value is not in the cache already public void addResourceToMemoryCache(String key, Bitmap resource) { if (memoryCache.get(key) == null) memoryCache.put(key, resource); }

To get a resource from the cache simply pass the key of your resource (String in this example) public Bitmap getResourceFromMemoryCache(String key) { memoryCache.get(key); }

lib.currentURL= TEXT lib.currentURL.data = getIndpEnv:TYPO3_REQUEST_URL

There are important changes in how we use and declare default props and their types. React.createClass In this version, the propTypes property is an Object in which we can declare the type for each prop. The getDefaultProps property is a function that returns an Object to create the initial props....

Custom binding definition function regExReplace(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) { var observable = valueAccessor(); var textToReplace = allBindingsAccessor().textToReplace || ''; var pattern = allBindingsAccessor().pattern || ''; var flags = all...

To create a node, you first need to have a hub. If you don't have a hub, you can create it like this: java -jar selenium-server-standalone-<version>.jar -role hub Then you're able to create a node: java -jar selenium-server-standalone-<version>.jar -role node -hub http://localhost:4...

There is no such things as .sln and .proj files. Instead of them folders are being used in Visual Studio Code. Each project folder should have a seperate project.json file. /MyProject.Core SourceFile.cs project.json /MyProject.Web /Controllers /Views project.json To refe...

It is very common to group projects, for example, place test projects under the /test folder and source projects under the /src folder. Add global.json file and make similar structure: global.json /src/ /MyProject.Core/ SourceFile.cs project.json /MyProject.Web/ ...

If you don't want to extend Application and keep your toast messages thread safe, make sure you show them in the post execute section of your AsyncTasks. public class MyAsyncTask extends AsyncTask <Void, Void, Void> { @Override protected Void doInBackground(Void... params) { ...

Given a file like this: $ cat file hello/how/are/you i am fine You can use /pattern/ to match specific lines: $ sed -n '/hello/p' file hello/how/are/you If the pattern contains slashes itself, you can use another delimiter using \cBREc: $ sed -n '\#hello/how#p' file hello/how/are/you $...

go to codeigniter/application/libraries/ create or replace your library files here. go to codeigniter/application/core/ create a new php file named like MY_Controller.php inside MY_Controller.php <?php class MY_Controller extends CI_Controller{ public function __construct(){ pa...

Best way to connect amazon redshift using JDBC , Use proper driver as per version http://docs.aws.amazon.com/redshift/latest/mgmt/configure-jdbc-connection.html Step-1: npm install jdbc Step-2: var JDBC = require('jdbc'); var jinst = require('jdbc/lib/jinst'); // isJvmCreated will be true afte...

Layout XML <?xml version="1.0" encoding="utf-8"?> <layout xmlns:android="http://schemas.android.com/apk/res/android"> <data> </data> <LinearLayout android:orientation="vertical" android:layout_wid...