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How to determine if object is in array [duplicate]

...(In fact, using lodash, this whole solution becomes a one-liner, combining _.some and _.isEqual: _.some(list, v => _.isEqual(v, o)).) – cdhowie Dec 23 '19 at 18:34 ...
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Difference Between One-to-Many, Many-to-One and Many-to-Many?

...ate is the one side and City is the many side. There will be a column state_id in the table cities. In unidirectional, Person class will have List<Skill> skills but Skill will not have Person person. In bidirectional, both properties are added and it allows you to access a Person given a ski...
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ActionController::InvalidAuthenticityToken

...le Entity) was returned to the user. The solution for Rails 3: Add: skip_before_filter :verify_authenticity_token or as "sagivo" pointed out in Rails 4 add: skip_before_action :verify_authenticity_token On pages which do caching. As @toobulkeh commented this is not a vulnerability on ...
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How can I specify working directory for popen

...wd, import os and define cwd using this: os.path.dirname(os.path.realpath(__file__)) share | improve this answer | follow | ...
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Declaring abstract method in TypeScript

...defines concrete methods & properties. */ class Animal { private _impl : IAnimal; public name : string; /** * Here comes the clever part: by letting the constructor take an * implementation of IAnimal as argument Animal cannot be instantiated * without a valid imp...
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How to get notified about changes of the history via history.pushState?

...late the whole code into an IIFE: en.wikipedia.org/wiki/Immediately-invoked_function_expression – gblazex Nov 16 '13 at 14:55  |  show 15 more...
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How to include route handlers in multiple files in Express?

...ar fs = require('fs'); module.exports = function(app){ fs.readdirSync(__dirname).forEach(function(file) { if (file == "index.js") return; var name = file.substr(0, file.indexOf('.')); require('./' + name)(app); }); } Then placing route files in the routes directory...
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How can I restore the MySQL root user’s full privileges?

...ue the following commands in the mysql client: UPDATE mysql.user SET Grant_priv='Y', Super_priv='Y' WHERE User='root'; FLUSH PRIVILEGES; After that, you should be able to run GRANT ALL ON *.* TO 'root'@'localhost'; and have it work. ...
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Cropping an UIImage

... CGRect (credits to this answer answered by @rob mayoff): func CGRectMake(_ x: CGFloat, _ y: CGFloat, _ width: CGFloat, _ height: CGFloat) -> CGRect { return CGRect(x: x, y: y, width: width, height: height) } The usage is: if var image:UIImage = UIImage(named:"one.jpg"){ let croppedIma...
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javascript: pause setTimeout();

...tion Timer(fn, countdown) { var ident, complete = false; function _time_diff(date1, date2) { return date2 ? date2 - date1 : new Date().getTime() - date1; } function cancel() { clearTimeout(ident); } function pause() { clearTimeout(ident); to...