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What does 'const member functions' of a class really means. The simple definition seems to be that, a const member function cannot change the object. But what does 'can not change' really means here. It simply means that you cannot do an assignment for class data members. However, you can do othe...

In Spring MVC it is possible to validate form fields using Bean Validation API (JSR 303 for Bean Vaidation 1.0 and JSR 349 for Bean Validation 1.1) that is used to define validation constraints of the JavaBean object. Hibernate Validator is Bean Validation API reference implementation. Hibernate ...

echo %cd% - displays the current path of the directory cd "C:\path\to\some\directory" -changes the path of the directory cd "%variable_containing_directory_path%" - also changes the path of the directory cd /d E: - change to E: drive from a different drive ...

This section provides an overview of what python-sphinx is, and why a developer might want to use it. It should also mention any large subjects within python-sphinx, and link out to the related topics. Since the Documentation for python-sphinx is new, you may need to create initial versions of t...

A function defined with the inline specifier is an inline function. An inline function can be multiply defined without violating the One Definition Rule, and can therefore be defined in a header with external linkage. Declaring a function inline hints to the compiler that the function should be inli...

In Bosun notifications are used for both new alert incidents and when an alert is acked/closed/etc. If you don't want the other events to trigger a notification add runOnActions = false to the notification definition. See Notification Overview for more examples.

If you use an IDE and/or build system, it is much easier to set up this kind of project. You create a main application module, then API module, then create a plugin module and make it dependent on the API module or both. Next, you configure where the project artifacts are to be put - in our case t...

Rust has no own framework for GUI development. Yet there are many bindings to existing frameworks. The most advanced library binding is rust-gtk. A 'semi' full list of bindings can be found here

if(expression){} if(expression){}else{} if(expression){}elseif(expression){} if(expression){}elseif(expression){}else{} See also Comparison Operators, which can be used in conditional expressions.

Actionscript formerly developed by Macromedia Inc., which now have been acquired by Adobe Systems Inc. is a powerful object-oriented programming language based on ECMAScript. Initially created with very limited set of navigation controls like play(), stop(), gotoAndPlay() etc., usually used for 2D...

class ClassOne { public: bool non_modifying_member_function() const { /* ... */ } }; int ClassTwo::non_modifying_member_function() const { /* ... */ } void ClassTwo::modifying_member_function() { /* ... */ } char non_param_modding_func(const ClassOne& one, const ClassTwo* two) { /* ... */ }...

Replication is used to copy[Backup] data from one MySQL database server to one or more MySQL database servers. Master -- The MySQL database server, which is serving data to be copied Slave -- The MySQL database server, copies data which is served by Master With MySQL, replication is asynchron...