.default-settings() {
padding: 4px;
margin: 4px;
font-size: 16px;
border: 1px solid gray;
}
#demo {
.default-settings;
}
The above example when compiled would only produce the following output. The .default-settings() mixin definition would not be output in the compiled CSS fi...
Traditional way
interface MathOperation{
boolean unaryOperation(int num);
}
public class LambdaTry {
public static void main(String[] args) {
MathOperation isEven = new MathOperation() {
@Override
public boolean unaryOperation(int num) {
...
One big problem is that valuable named routes is not supported by Express out of the box. Solution is to install supported third-party package, for example express-reverse:
npm install express-reverse
Plug it in your project:
var app = require('express')();
require('express-reverse')(app);
...
The standard (17.6.4.2.1/1) generally forbids extending the std namespace:
The behavior of a C++ program is undefined if it adds declarations or definitions to namespace std or to a namespace within namespace std unless otherwise specified.
The same goes for posix (17.6.4.2.2/1):
The behavi...
// A simple class hierarchy that uses the visitor to add functionality.
//
class VehicleVisitor;
class Vehicle
{
public:
// To implement the visitor pattern
// The class simply needs to implement the accept method
// That takes a reference to a visitor object tha...
Since Java lambdas are closures, they can "capture" the values of variables in the enclosing lexical scope. While not all lambdas capture anything -- simple lambdas like s -> s.length() capture nothing and are called stateless -- capturing lambdas require a temporary object to hold the...
Usage:
$ nodetool repair [-h | -p | -pw | -u] <flags> [ -- keyspace_name [table_name]]
Default Repair Option
$ nodetool repair
This command will repair the current node's primary token range (i.e. range which it owns) along with the replicas of other token ranges it has in all tables a...
You can find the Android Sample in [SFML_ROOT]\examples\android
You can copy it to leave the SFML repository in it's original state. Open cmd.exe in the sample location.
To get a list of all available Android build targets:
android list target
Run Update Project for the Sample:
android upda...
We shall create a simple Alert Dialog in Xamarin.Android
Now considering you have gone through the getting started guide from the documentation.
You must be having the project structure like this:
Your Main Activity must be looking like this:
public class MainActivity : Activity
{
...
When you need a Python list object, you can utilize the tolist() method to convert your array to a list.
my_array = array('i', [1,2,3,4,5])
c = my_array.tolist()
# [1, 2, 3, 4, 5]
Click the “Move examples” button
Select the examples you want to move
Click “Move”
Select “Search for a Topic”
Paste the URL of the topic in the search box
Click “Move Examples”.
Click “Submit Drafts” or “Edit Drafts”
When using the DllImport attribute you have to know the correct dll and method name at compile time. If you want to be more flexible and decide at runtime which dll and methods to load, you can use the Windows API methods LoadLibrary(), GetProcAddress() and FreeLibrary(). This can be helpful if the ...
Name-based virtual hosting on Apache is described on the Apache website as such:
With name-based virtual hosting, the server relies on the client to
report the hostname as part of the HTTP headers. Using this technique,
many different hosts can share the same IP address.
Therefore, more than...
The <cfparam> tag creates a variable if it does not already exist. You can assign a default value using the default attribute. This can be used if you want to create a variable, but don't want to overwrite it if it has been previously created elsewhere.
Here the variable hasn't been set previ...
As far as client-side JavaScript engines are concerned (those running inside a browser), there is no straightforward solution available for requesting content from sources other than the current domain. (By the way, this limitation does not exist in JavaScript-server tools such as Node JS.)
However...
Writing and managing ADO.Net code for data access is a tedious and monotonous job. Microsoft has provided an O/RM framework called "Entity Framework" to automate database related activities for your application.
Entity framework is an Object/Relational Mapping (O/RM) framework. It is an e...
1. Switch to a frame by Index.
Here we are switching to index 1. Index refers to the order of frames on the page. This should be used as a last resort, as frame id or names are much more reliable.
driver.SwitchTo().Frame(1);
2. Switch to a frame by Name
driver.SwitchTo().Frame("Name_Of_Fr...
If you need to find the last day of the month, you can do complicated DateTime gymnastics or you can use the following method.
Say you want to find the last day of February 2021. Do the following:
Integer month = 2;
Integer day = null;
Integer year = 2021;
// Create a new DateTime object for ...
Sometimes we need to accept route params as well as access the HTTP Request params. We can still type hint the Requests class in laravel controller and achieve that as explained below
E.g. We have a route that update a certain post like this (passing post id i route )
Route::put('post/{id}', 'Post...
