General Properties:
An Azimuthal Equidistant projection is best recognized when used in polar areas. It is used in the UN's emblem. From the center point, angle and distance are preserved. But the projection will distort shape and area to achieve this, especially as one moves further from the cente...
Since a signal handler will be called by the kernel using the C calling convention, we must tell the compiler to use the C calling convention when compiling the function.
volatile sig_atomic_t death_signal = 0;
extern "C" void cleanup(int signum) {
death_signal = signum;
}
int mai...
Suppose we want to write a constraint which matches a number, but approximatively. Say, you are supposed to have 95 people in a survey, but 93 or 96 will do as well. We can write a custom constraint of the form:
public class AlmostEqualToConstraint : Constraint
{
readonly int _expected;
...
Let's take an scenario to understand advance function in better way,
struct User {
var name: String
var age: Int
var country: String?
}
//User's information
let user1 = User(name: "John", age: 24, country: "USA")
let user2 = User(name: "Chan", age...
The Entity Framework library comes only with an SQL Server provider. To use SQLite will require additional dependencies and configuration. All required dependencies are available on NuGet.
Install SQLite Managed Libraries
All of the mananged depedencies can be installed using the NuGet Package Man...
The Stock Items screen (IN.20.25.00) is one of the most often used data entry forms of Acumatica ERP to export data. Inventory ID is the only primary key on the Stock Items screen:
To export records from a data entry form, your SOAP request must always begin with the ServiceCommands.Every[Key] co...
The Sales Orders screen (SO.30.10.00) is a perfect example of a data entry form with a composite primary key. The primary key on the Sales Orders screen is composed by the Order Type and the Order Number:
The recommended 2-step strategy to export data from the Sales Orders screen or any other dat...
Go to terminal,
cd projectFolder
git remote -v (it will show previous git url)
git remote set-url origin https://[email protected]/username/newName.git
git remote -v (double check, it will show new git url)
git push (do whatever you want.)
If you do not only wish to display static objects, but have your UI respond to changes to correlating objects, you need to understand the basics of the INotifyPropertyChanged interface.
Assuming we have our MainWindowdefined as
<Window x:Class="Application.MainWindow"
xmlns="...
Since Bootstrap 4 is a major rewrite, many of the Bootstrap 3.x class names have changed or been removed. The restructuring of components such as the Navbar, and the introduction of new CSS classes and Flexbox support means that upgrading to 4.x is not a simple conversion process from 3.x.
However,...
If you're accepting user input for folder paths, you might need to check for trailing backslashes (\) before building a file path. The FSO.BuildPath method makes this simpler:
Const sourceFilePath As String = "C:\Temp" '<-- Without trailing backslash
Const targetFilePath As Strin...
Let's assume you have a ListView wich is supposed to display every User object listed under the Users Property of the ViewModel where Properties of the User object can get updated programatically.
<ListView ItemsSource="{Binding Path=Users}" >
<ListView.ItemTemplate>
...
It is basically address of a variable in memory. It allows us to indirectly access a variable. So using pointers we can talk about a variable's address(as well as its value by dereferencing the pointer). They are useful when we want to deal with address of a memory location rather than its value.
C...
Sometimes you may want to have some login to determine where the user gets redirected to after submitting a form. Form Requests give a variety of ways.
By default there are 3 variables declared in the Request $redirect, $redirectRoute and $redirectAction.
On top of those 3 variables you can overr...
There is a necessary hardware dependency for a VR application, that usually depends on the platform that you're building for. There are 2 broad categories for hardware devices based on their motion capabilities:
3 DOF (Degrees of Freedom)
6 DOF (Degrees of Freedom)
3 DOF means that the motion...
public class CustomSurfaceView extends SurfaceView {
@Override
public boolean onTouchEvent(MotionEvent e) {
super.onTouchEvent(e);
if(e.getPointerCount() > 2){
return false; // If we want to limit the amount of pointers, we return false
//...
This example shows a simple but effective splash screen with animation that can be created by using Android Studio.
Step 1: Create an animation
Create a new directory named anim in the res directory. Right-click it and create a new Animation Resource file named fade_in.xml:
Then, put the follow...
API: Application programming interface are the set of requirements which govern how one application can talk to another, API's are what makes the information exchange between programs possible.
For Example System-level APIs makes it possible for applications like
LibreOffice to run on top of an ...
Active Record Transactions can be applied to Model classes as well as Model instances, the objects within the transaction block need not all be instances of same class. This is because transactions are per-database connection, not per-model. For example:
User.transaction do
account.save!
prof...
