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Sequelize.js: how to use migrations and sync

...uelize init ... sequelize model:create --name User --attributes first_name:string,last_name:string,bio:text This will create both model AND migration. Then, manually merge your existing models with generated with sequelize-cli, and do the same with migrations. After doing this, wipe database (if p...
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Node.js: Difference between req.query[] and req.params

Is there a difference between obtaining QUERY_STRING arguments via req.query[myParam] and req.params.myParam ? If so, when should I use which? ...
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Default initialization of std::array?

...; default-initialize every element of the array. For example, if T = std::string, every element will be an empty string. If T is a class without a default constructor, both will fail to compile. If T = int, every element will have indeterminate value (unless that declaration happens to be at namesp...
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Why no ICloneable?

...> : CloneableExBase<T> where T : PersonBase<T> { public string Name { get; set; } protected override void FillClone( T clone ) { clone.Name = this.Name; } } public sealed class Person : PersonBase<Person> { protected override Person CreateClone() => ...
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Plotting time in Python with Matplotlib

...ar is set to 1990": Could you please post the code you use to convert from string to datetime? Something might be wrong with the conversion. Re. the formatting of chart labels, see the date_demo1 link provided by J. K. Seppänen. The matplot lib documentation is excellent, BTW. matplotlib.sourceforg...
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How to include layout inside layout?

...clude a layout and set some of its properties via the xml, e.g. set a text string in the sublayout directly in the <include> tag? – JohnyTex May 3 '19 at 10:22 ...
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Django - how to create a file and save it to a model's FileField?

...le(f)) # Using ContentFile self.license_file.save(new_name, ContentFile('A string with the file content')) share | improve this answer | follow | ...
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ASP.NET MVC: Is Controller created for every request?

...er == null) { throw new InvalidOperationException( String.Format( CultureInfo.CurrentCulture, MvcResources.ControllerBuilder_FactoryReturnedNull, factory.GetType(), controllerName)); } } Here's the Controll...
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Can enums be subclassed to add new elements?

... clean variables declared so you do not have to declare hundreds of static strings variables so a class with 5 enums dont get unreadable and too big in lines. I do not want the other developers to be concerned with copying and pasting that peace of code for the next project either and instead extend...
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How to get first N elements of a list in C#?

...wer, following some suggestions) myList.Sort(CLASS_FOR_COMPARER); List<string> fiveElements = myList.GetRange(0, 5); share | improve this answer | follow ...