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Creating PHP class instance with a string

...able functions & methods. $func = 'my_function'; $func('param1'); // calls my_function('param1'); $method = 'doStuff'; $object = new MyClass(); $object->$method(); // calls the MyClass->doStuff() method. share ...
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commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated

...ecified. Watch out with include files! You can use UIForm components in parallel, but they won't process each other during submit. You should also watch out with "God Form" antipattern; make sure that you don't unintentionally process/validate all other (invisible) inputs in the very same form (e.g....
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How do I get the entity that represents the current user in Symfony2?

...* * @var Security */ private $security; public function __construct(Security $security) { $this->security = $security; } public function privatePage() : Response { $user = $this->security->getUser(); // null or UserInterface, if logged in ...
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Ruby: Easiest Way to Filter Hash Keys?

...with just the choices in it. choices = params.select { |key, value| key.to_s.match(/^choice\d+/) } or you can use delete_if and modify the existing Hash e.g. params.delete_if { |key, value| !key.to_s.match(/choice\d+/) } or if it is just the keys and not the values you want then you can do: p...
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Case insensitive replace

...ld be useful if the to-replace value was passed into a function, so it's really more of a good example than anything else. – Blair Conrad Nov 9 '14 at 23:19 2 ...
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How do you uninstall all dependencies listed in package.json (NPM)?

...I have a package.json file defined in my application root and run npm install -g it will install all the dependencies defined in package.json, globablly. ...
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HTML5: Slider with two inputs possible?

...m to be many out there. I ended up modifying @Wildhoney's code a bit and really like it. function getVals(){ // Get slider values var parent = this.parentNode; var slides = parent.getElementsByTagName("input"); var slide1 = parseFloat( slides[0].value ); var slide2 = parseFlo...
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Why is it important to override GetHashCode when Equals method is overridden?

...ot match, they may never be considered equal (Equals will simply never be called). The GetHashCode() method should reflect the Equals logic; the rules are: if two things are equal (Equals(...) == true) then they must return the same value for GetHashCode() if the GetHashCode() is equal, it is not...
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UITableView - change section header color

...lor:[UIColor clearColor]]; return headerView; } Swift: func tableView(_ tableView: UITableView!, viewForHeaderInSection section: Int) -> UIView! { let headerView = UIView(frame: CGRect(x: 0, y: 0, width: tableView.bounds.size.width, height: 30)) if (section == integerRepresentingYourSect...
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Saving vim macros

... The :mkexrc (or :mkvimrc) command can be used to save all the current :map and :set settings to a file. See :help mkexrc for details. share | improve this answer | ...