Tutorial by Examples: st

Operations : Average Case (assumes parameters are randomly generated) Append : O(1) Copy : O(n) Del slice : O(n) Delete item : O(n) Insert : O(n) Get item : O(1) Set item : O(1) Iteration : O(n) Get slice : O(k) Set slice : O(n + k) Extend : O(k) Sort : O(n log n) Multiply : O(nk) x in...

When using d3.request() or one of the convenience constructors (d3.json, d3.csv, d3.tsv, d3.html and d3.xml) there are many sources for error. There may be problems with the issued request or its response due to network errors, or the parsing might fail if the content is not well-formed. Within the...

Sample Data: CREATE TABLE table_name ( id, list ) AS SELECT 1, 'a,b,c,d' FROM DUAL UNION ALL -- Multiple items in the list SELECT 2, 'e' FROM DUAL UNION ALL -- Single item in the list SELECT 3, NULL FROM DUAL UNION ALL -- NULL list SELECT 4, 'f,,g' FROM DUAL; -- NULL item...

In Twig template, Request object is available at {{ app.request }} When you want display request method in Twig, try this: <p>Request method: {{ app.request.method }}</p> In PHP template <p>Request method: <?php echo $app->getRequest()->getMethod() ?></p>...

Code <?php echo get_option( 'something_bla_bla_bla' ); ?> Output false Code <?php echo get_option( 'something_bla_bla_bla', 'Oh no!' ); ?> Output Oh no!

Html.TextBox() @Html.TextBox("Name", null, new { @class = "form-control" }) output:<input class="form-control" id="Name"name="Name"type="text"value=""/> @Html.TextBox("Name", "Stack Overflow", new { ...

First, install ipset if needed. Please refer to your distribution to know how to do it. As an example, here is the command for Debian-like distributions. $ apt-get update $ apt-get install ipset Then create a configuration file to define an ipset containing the IPs for which you want to open ac...

Work in progress

Work in progress

iex(1)> [x, y] = ["String1", "String2"] iex(2)> "#{x} #{y}" # "String1 String2"

["String1", " ", "String2"] |> IO.iodata_to_binary # "String1 String2" This will gives some performances boosts as strings not duplicated in memory. Alternative method: iex(1)> IO.puts(["String1", " ", "String2"]) # ...

Sometimes you would want to start or remove an action on a specific node at a certain time. For example, you might want to stop a moving object when the user taps the screen. This becomes very helpful when a node has multiple actions and you only wants to access one of them. let move = SKAction.mov...

package main import ( "fmt" "k8s.io/client-go/1.5/kubernetes" "k8s.io/client-go/1.5/pkg/api/v1" "k8s.io/client-go/1.5/rest" ) func main() { config, err = rest.InClusterConfig() if err != nil { return nil, err } ...

Objectives: Using the Spring CLI, we will create a new Spring Boot application to be deployed to Elastic Beanstalk. We will edit the generated Spring Boot application so that it will: Create a jar named aws-eb-demo.jar. Listen on port 5000. Include a single web page named index.html. ...

Code echo get_permalink( 44 ); Output The link of the post id:44, for example: http://website.com/category/name-of-post/

Code echo get_permalink( 44 , false ); Output The link of the post id:44 without the name of the post, for example: http://website.com/category/%postname%/

To get OAuth2 access token simply do curl https://login.salesforce.com/services/oauth2/token -d "grant_type=password" -d "client_id=myclientid" -d "client_secret=myclientsecret" -d "[email protected]" -d "password=mypassword123456" Y...

Code $categories = get_the_category(); foreach( $categories as $category ) { echo $category->name . '<br />'; } Output All names of categories of the current page, one on each line.

Code $categories = get_the_category(); foreach( $categories as $category ) { echo $category->term_id . '<br />'; } Output All ids of categories of the current page, one on each line.

Sample Data: CREATE TABLE table_name ( id, list ) AS SELECT 1, 'a,b,c,d' FROM DUAL UNION ALL -- Multiple items in the list SELECT 2, 'e' FROM DUAL UNION ALL -- Single item in the list SELECT 3, NULL FROM DUAL UNION ALL -- NULL list SELECT 4, 'f,,g' FROM DUAL; -- NULL item...