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How to make a query with group_concat in sql server [duplicate]

...ded here. – Devart Jul 11 '13 at 11:05 add a comment  |  ...
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Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.

... This error can be thrown when you import a different library for @Id than Javax.persistance.Id ; You might need to pay attention this case too In my case I had import javax.persistence.Entity; import javax.persistence.Generated...
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Node.js Mongoose.js string to ObjectId function

... Does this throw an error if it's an invalid string? Looking for the best way to do input validation in a REST API for mongo id fields. – Zambonilli Jul 21 '14 at 18:42 ...
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External resource not being loaded by AngularJs

... problem using Videogular. I was getting the following when using ng-src: Error: [$interpolate:interr] Can't interpolate: {{url}} Error: [$sce:insecurl] Blocked loading resource from url not allowed by $sceDelegate policy I fixed the problem by writing a basic directive: angular.module('app').di...
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How to use string.replace() in python 3.x

... answered Jul 16 '19 at 20:05 Kushan GunasekeraKushan Gunasekera 2,02011 gold badge1515 silver badges2525 bronze badges ...
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virtualenvwrapper and Python 3

...DIRECTORY – Santhosh Mar 8 '18 at 9:05 add a comment  | 
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Check if one IEnumerable contains all elements of another IEnumerable

...tyComparer<TSource> comparer) { if (first == null) throw Error.ArgumentNull("first"); if (second == null) throw Error.ArgumentNull("second"); return Enumerable.IntersectIterator<TSource>(first, second, comparer); } private static IEnumerable<TSource> In...
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How to check for null in Twig?

...se (such as zero, empty string and empty array). Besides, it will cause an error if var is not defined. A safer way would be: {% if var is not defined or var is null %} which can be shortened to: {% if var|default is null %} If you don't provide an argument to the default filter, it assumes NU...
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In what areas might the use of F# be more appropriate than C#? [closed]

...testing and reading/understanding the code. It eradicates a whole class of errors that previous systems were prone to. Exploratory programming Working with script files and the REPL (F# Interactive) allowed me to explore the solution space more effectively before committing to an implementation tha...
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How to build a framework or library for other developers, the secure way? [closed]

...10/04/making-your-own-iphone-frameworks/ http://www.drobnik.com/touch/2010/05/making-your-own-iphone-frameworks-in-xcode/ http://www.drobnik.com/touch/2010/10/embedding-binary-resources/ To use the framework, your users would just drag the .framework bundle into Xcode. They will be able to see the h...