Tutorial by Examples: check

private static final int REQUEST_ENABLE_BT = 1; // Unique request code BluetoothAdapter mBluetoothAdapter; // ... if (!mBluetoothAdapter.isEnabled()) { Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableBtIntent, REQUEST_ENABLE_B...

NSString *testString1 = @"(555) 123-5678"; NSString *testString2 = @"not a phone number"; NSError *error = nil; NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"^\\(\\d{3}\\) \\d{3}\\-\\d{4}$" ...

private bool IsTaskRegistered(string taskName) => BackgroundTaskRegistration.AllTasks.Any(x => x.Value.Name.Equals(taskName));

Some functions only work on a certain type of argument: function foo(tab) return tab.bar end --> returns nil if tab has no field bar, which is acceptable --> returns 'attempt to index a number value' if tab is, for example, 3 --> which is unacceptable function kungfoo(tab) ...

All you need is a variable of type IHostingEnvironment: get environment name: env.EnvironmentName for predefined Development, Staging, Production environments the best way is to use extension methods from HostingEnvironmentExtensions class env.IsDevelopment() env.IsStaging() ...

using (new Sitecore.SecurityModel.SecurityDisabler()) { var item = Sitecore.Context.Database.GetItem("/sitecore/content/home"); }

Often times you will see an exception Anti forgery token is meant for user "" but the current user is "username" This is because the Anti-Forgery token is also linked to the current logged-in user. This error appears when a user logs in but their token is still linked to bein...

To verify that nvm has been installed, do: command -v nvm which should output 'nvm' if the installation was successful.

Launch the Check In dialog for TFVS. $ git tfs checkintool This will take all of your local commits and create a single check-in.

Meteor Tool To check the installed version of the Meteor tool, just run the following command outside of any Meteor projects: meteor --version To get a list of all official (recommended) Meteor releases, run: meteor show METEOR Meteor Projects If you want to check the project version of Me...

If you need to know whether a value's type extends or implements a given type, but you don't want to actually cast it as that type, you can use the is operator. if(value is int) { Console.WriteLine(value + "is an int"); }

Type check: variable.isInstanceOf[Type] With pattern matching (not so useful in this form): variable match { case _: Type => true case _ => false } Both isInstanceOf and pattern matching are checking only the object's type, not its generic parameter (no type reification), except fo...

A checkable input that has three possible values: true, false, or mixed. <p> <input type="checkbox" role="checkbox" aria-checked="false"> I agree to the terms </p>

A checkable menuitem that has three possible values: true, false, or mixed. <ul role="menu"> <li role="menuitem">Console</li> <li role="menuitem">Layout</li> <li role="menuitemcheckbox" aria-checked="true"&g...

The unchecked keyword prevents the compiler from checking for overflows/underflows. For example: const int ConstantMax = int.MaxValue; unchecked { int1 = 2147483647 + 10; } int1 = unchecked(ConstantMax + 10); Without the unchecked keyword, neither of the two addition operations will co...

Orders Table CustomerIdProductIdQuantityPrice12510013220014150021450356700 To check for customers who have ordered both - ProductID 2 and 3, HAVING can be used select customerId from orders where productID in (2,3) group by customerId having count(distinct productID) = 2 Return value:...

You can use the is operator to validate whether a value is of a certain type: var sprite:Sprite = new Sprite(); trace(sprite is Sprite); // true trace(sprite is DisplayObject); // true, Sprite inherits DisplayObject trace(sprite is IBitmapDrawable); // true, DisplayObject implements IBitmapDra...

This hook works similarly to the post-commit hook, but it's called whenever you successfully check out a reference with git checkout. This could be a useful tool for clearing out your working directory of auto-generated files that would otherwise cause confusion. This hook accepts three parameters:...

Example method in controller @RequestMapping(value = "/test") public String showCheckbox(Model model) { boolean myBooleanVariable = false; model.addAttribute("myBooleanVariable", myBooleanVariable); return "sample-checkbox"; } View: sample-checkbox....

We can check the status of migrations by running 3.05.0 rake db:migrate:status 5.0 rails db:migrate:status The output will look like this: Status Migration ID Migration Name -------------------------------------------------- up 20140711185212 Create documentation pages up ...