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Select elements by attribute

... @rinogo: actually all you need is if($(":checkbox[myattr]").length) . The () after length is not necessary, neither is the > 0, 0 evaluates to false in equality tests that do not require strict equality (both value and type). ...
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How to give System property to my test via Gradle and -D

...se methods to work. Whatever I do myProperty is always null. This includes all of the methods mentioned below, too. I am wondering if this is something to do with a more recent version, as all comments are from 2018? @CLOVIS did you find a solution to this? – Hester Lyons ...
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Why don't Java Generics support primitive types?

...nerics in Java are an entirely compile-time construct - the compiler turns all generic uses into casts to the right type. This is to maintain backwards compatibility with previous JVM runtimes. This: List<ClassA> list = new ArrayList<ClassA>(); list.add(new ClassA()); ClassA a = list.g...
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Is a statically-typed full Lisp variant possible?

Is a statically-typed full Lisp variant possible? Does it even make sense for something like this to exist? I believe one of a Lisp language's virtues is the simplicity of its definition. Would static typing compromise this core principle? ...
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How to get controls in WPF to fill available space?

Some WPF controls (like the Button ) seem to happily consume all the available space in its' container if you don't specify the height it is to have. ...
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Using IQueryable with Linq

...t;T>. Say, for example, you have a Products table, and you want to get all of the products whose cost is >$25. If you do: IEnumerable<Product> products = myORM.GetProducts(); var productsOver25 = products.Where(p => p.Cost >= 25.00); What happens here, is the database loads ...
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PostgreSQL: Which Datatype should be used for Currency?

...ver make a scale equal to 2 (in postgresql terms, precision is a number of all digits, e.g. in 121.121 it's equal to 6). There are currencies, such as Bahrain Dinar, where 1000 sub-units equal one unit, and there are currencies which don't have sub-units at all. – Nikolay Arhip...
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Fragment or Support Fragment?

... From my experience, using the same fragment implementation on all Android devices is a great advantage. I could not get rid of all NullPointerExceptions when state is saved on Android 4.0 using native fragments, with the support library they are all gone. Also I could not see any disadv...
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“SetPropertiesRule” warning message when starting Tomcat from Eclipse [duplicate]

... Correct answer, never 'ignore' warnings if at all possible. Ignore enough warnings, some day they'll cause you to miss a REAL problem. – Manius Oct 18 '10 at 1:38 ...
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How do I get the width and height of a HTML5 canvas?

...n the canvas element, the default 300x150 size will be returned. To dynamically get the correct width and height use the following code: const canvasW = canvas.getBoundingClientRect().width; const canvasH = canvas.getBoundingClientRect().height; Or using the shorter object destructuring syntax: ...