In this example the microcontroller echos back the received bytes to the sender using UART RX interrupt.
#include "stm32f4xx.h"
UART_HandleTypeDef huart2;
/* Single byte to store input */
uint8_t byte;
void SystemClock_Config(void);
/* UART2 Interrupt Service Routine */
void...
By default, NuGet restores packages into the packages folder in the solution root. This folder is shared between all solution projects. In some cases it is useful to change the location of the restored packages (for instance, to share them between several solutions).
Its can be achieved by creating...
In case you need different settings for your various applications, there is (as of Flink 1.2) no easy way to do that.
If you use the one-yarn-cluster-per-job mode of flink (i.e. you launch your scripts with: flink run -m yarn-cluster ...), here is a workaround :
create a conf directory somewhe...
There are a variety of ways to validate parameter entry, in PowerShell.
Instead of writing code within functions or scripts to validate parameter values, these ParameterAttributes will throw if invalid values are passed.
ValidateSet
Sometimes we need to restrict the possible values that a paramet...
It's possible to specify several type constraints for generics using the where clause:
func doSomething<T where T: Comparable, T: Hashable>(first: T, second: T) {
// Access hashable function
guard first.hashValue == second.hashValue else {
return
}
// Access compa...
Sometimes you want to switch off all previously registered listeners.
//Adding a normal click handler
$(document).on("click",function(){
console.log("Document Clicked 1")
});
//Adding another click handler
$(document).on("click",function(){
console.log(&q...
Generic example in a form of $a <=> $b matrix.
0 <=> 1; // -1 (left operand less than right, right is greater)
0 <=> 0; // 0 (operands are equal)
1 <=> 0; // 1 (left operand greater than right, left is greater)
1 <=> 1; // 0 (operands are equal)
╔═══════╦════╦═...
Add nuget package System.ComponentModel.Annotations
Define a class:
public class BankAccount
{
public enum AccountType
{
Saving,
Current
}
[Required(ErrorMessage="First Name Required")]
[MaxLength(15,ErrorMessage="First Name s...
Yarn uses the same registry that npm does. That means that every package that is a available on npm is the same on Yarn.
To install a package, run yarn add package.
If you need a specific version of the package, you can use yarn add package@version.
If the version you need to install has been tag...
In the menu bar, click Build > Generate Signed APK.
Select the module you would like to release from the drop down and click Next.
To Create a new keystore, click Create new. Now fill the required information and press ok in New Key Store.
On the Generate Signed APK Wiz...
To add a component with a selector [prefix]-user-list, run:
$ ng g c user-list
installing component
create src/app/user-list/user-list.component.css
create src/app/user-list/user-list.component.html
create src/app/user-list/user-list.component.spec.ts
create src/app/use...
To split pane vertically, do a prefix followed by %
ie, by default ctrlb followed by %
To split pane horizontally, do a prefix followed by "
ie, by default ctrlb followed by "
