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Its possible to change *.vmoptions and idea.properties files without editing them in the PhpStorm installation folder. Follow the steps below: Step 1: Run Help - Edit Custom VM Options... Step 2: Confirm the creation of the configuration file, if prompted Step 3: Add following lines if yo...

Subdomain-based routing can be handled in Symfony using host parameter. For example, _locale parameter can be used as subdomain value. Assuming locale: en domain: somedomain.com parameters are defined in parameters.yml config file, route would be: /** * @Route( * "/", * ...

On Windows Phone something like the code underneath needs to be implemented to start working with push notifications. This can be found in the App.xaml.cs file. protected async override void OnLaunched(LaunchActivatedEventArgs e) { var channel = await PushNotificationChannelManager.CreatePush...

Step 1: Locate your download of Node.js, typically it is installed under C:/program files/nodejs Step 2: Open Visual Studios and navigate to "Tools>Options" Step 3: In the options window navigate to "Projects and Solutions>External Web Tools" Step 4: Add new entry with y...

If Sitecore is setup in a CM-CD enviornment there could be a need to fire events on CD server when CM events are fired. The example could be firing publish:end:remote on CD when content editors done publish on CM. In order to make sure that events are firing the following steps are required to be ...

SUBSTRING (or equivalent: SUBSTR) returns the substring starting from the specified position and, optionally, with the specified length Syntax: SUBSTRING(str, start_position) SELECT SUBSTRING('foobarbaz', 4); -- 'barbaz' SELECT SUBSTRING('foobarbaz' FROM 4); -- 'barbaz' -- using negative index...

Python follows PEMDAS rule. PEMDAS stands for Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction. Example: >>> a, b, c, d = 2, 3, 5, 7 >>> a ** (b + c) # parentheses 256 >>> a * b ** c # exponent: same as `a * (b ** c)` 7776 >>...

In order to be able to use a class as the key in a map, all that is required of the key is that it be copiable and assignable. The ordering within the map is defined by the third argument to the template (and the argument to the constructor, if used). This defaults to std::less<KeyType>, w...

What we have is a list of credit cards and we'd like to calculate the premiums for all those cards that the credit card company has to pay out. The premiums themselves depend on the total number of credit cards, so that the company adjust them accordingly. We already have a function that calculate...

IMP is a C type referring to the implementation of a method, also known as an implementation pointer. It is a pointer to the start of a method implementation. Syntax: id (*IMP)(id, SEL, …) IMP is defined by: typedef id (*IMP)(id self,SEL _cmd,…); To access this IMP, the message “methodForSe...

When creating a timer, you can set the userInfo parameter to include information that you want to pass to the function you call with the timer. By taking a timer as a parameter in said function, you can access the userInfo property. NSDictionary *dictionary = @{ @&quo...

While using decorator syntax (with the @) is convenient, it also a bit concealing. You can use properties directly, without decorators. The following Python 3.x example shows this: class A: p = 1234 def getX (self): return self._x def setX (self, value): self._x =...

Multi-Editing allows the user to edit text at several locations simultaneously. Multi-Editing is disabled by default: it can be enabled (resp. disabled) in Preferences > Editing by checking (resp. unchecking) the related checkbox. To use Multi-Editing, the user can Ctrl Click on the differe...

Column Editing enables the user to edit text on several lines as a vertical square zone. This feature is enabled by default. There are 3 ways to select a zone to edit: Maintain Alt+Shift and use Up/Down/Left/Right to select the zone to edit with direction keys Maintain Alt+Shift and click on t...

Any String can be evaluated at runtime. class Example def self.foo :foo end end eval "Example.foo" #=> :foo

Ruby keeps track of local variables and self variable via an object called binding. We can get binding of a scope with calling Kernel#binding and evaluate string inside a binding via Binding#eval. b = proc do local_variable = :local binding end.call b.eval "local_variable" #=&gt...

The instance_eval method is available on all objects. It evaluates code in the context of the receiver: object = Object.new object.instance_eval do @variable = :value end object.instance_variable_get :@variable # => :value instance_eval sets self to object for the duration of the co...

Many languages feature a with statement that allows programmers to omit the receiver of method calls. with can be easily emulated in Ruby using instance_eval: def with(object, &block) object.instance_eval &block end The with method can be used to seamlessly execute methods on object...

R has a set of built in higher order functions: Map, Reduce, Filter, Find, Position, Negate. Map applies a given function to a list of values: words <- list("this", "is", "an", "example") Map(toupper, words) Reduce successively applies a binary functi...

If the file already exists, it will be overwritten! String fileName = "file.zip"; // name of the file String urlToGetFrom = "http://www.mywebsite.com/"; // URL to get it from String pathToSaveTo = "C:\\Users\\user\\"; // where to put it ...