Loop n times:
while [ $((i=${i:=0}+1)) -le "$n" ]; do
echo line $i
done
Output for n=5:
line 1
line 2
line 3
line 4
line 5
Manipulating decimals:
$ i=3.14159; echo $((${i%.*}*2))
6
$ i=3.14159; echo $((${i#*.}*2))
28318
Basic architecture examples on how development for embedded systems works (i.e. IDEs, cross-compiling, downloading, in-line debugging, JTAG,...) and what would be the minimum requirements for starting.
It would be worth mentioning different approaches and platforms from begginers-higher level to ad...
Project structure
project/
group_vars/
development
inventory.development
playbook.yaml
These variables will be applied to hosts under the development group due to the filename.
---
## Application
app_name: app
app_url: app.io
web_url: cdn.io
app_friendly: New App
env_type: ...
To select an element by an exact HTML attribute use the css locator pattern [attribute=value]
//selects the first element with href value '/contact'
element(by.css('[href="/contact"]'));
//selects the first element with tag option and value 'foo'
element(by.css('option[value="f...
To select an element by an HTML attribute that contains a specified value use the css locator pattern [attribute*=value]
//selects the first element with href value that contains'cont'
element(by.css('[href*="cont"]'));
//selects the first element with tag h1 and class attribute that...
A child theme is identified by WordPress when there is a directory (for example child-theme) inside /wp-content/themes/ with the following files:
style.css
This file must start with a comment template like this:
/*
Theme Name: Example Child
Author: Me
Author URI: https://example.com/
...
Even if it is not a best practice, sometimes you need to replace assets like CSS or JS files or libraries.
Note that the WordPress template overwriting system doesn't work with anything else than .php files, so when we talk about assets we refer to registered assets
One example could be the replac...
When registering types to the container Castle uses the type of the class in order to resolve. In the case that there is more than one registration for a specific type the Name property must be set:
public void Install(IWindsorContainer container, IConfigurationStore store)
{
container.Regist...
Note: Let's setup some anonymous authentication for the example
{
"rules": {
".read": "auth != null",
".write": "auth != null"
}
}
Once it is done, create a child by editing your database address. For example:
https://your-proje...
This example assumes that you have already set up a Firebase Realtime Database. If you are a starter, then please inform yourself here on how to add Firebase to your Android project.
First, add the dependency of the Firebase Database to the app level build.gradle file:
compile 'com.google.firebase...
Modern headers should be self-contained, which means that a program that needs to use the facilities defined by header.h can include that header (#include "header.h") and not worry about whether other headers need to be included first.
Recommendation: Header files should be self-contained...
If a singleshot timer is required, it is quiet handy to have the slot as lambda function right in the place where the timer is declared:
QTimer::singleShot(1000, []() { /*Code here*/ } );
Due to this Bug (QTBUG-26406), this is way is only possible since Qt5.4.
In earlier Qt5 versions it has to ...
Gmail Example
MAIL_URL=smtp://username%40gmail.com:[email protected]:465/
Note: This setup only allows 2000 emails to be sent per day. Please see https://support.google.com/a/answer/176600?hl=en for alternative configurations.
This can be useful if you're writing a game or something that needs to execute a piece of code every a few seconds.
import android.os.Handler;
public class Timer {
private Handler handler;
private boolean paused;
private int interval;
private Runnable task = new Runnable ...
function my_init_function() {
// do something here
}
add_action( 'init', 'my_init_function' );
Using the name of the function to hook a set of instructions. With the init hook, the set of instructions will be executed right after wordpress has finished loading the necessary components.
...
class MyClass {
static function my_init_method() {
// do something here
}
}
add_action( 'init', array( 'MyClass', 'my_init_method' ) );
Using a static method of a class to hook a set of instructions. With the init hook, the set of instructions will be executed right after w...
