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How to check for null in Twig?

... In addition, unlike the PHP isset() function, is defined will return true if a variable is defined and it's value is null. – Pavel Petrov Sep 19 '17 at 7:59 ...
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How to have multiple data-bind attributes on one element?

... when setting a ko.observable value, try doing it like this: viewModel.tasks([1,2,3]);. I.e. you call it as a function, passing the new value as a parameter – paulslater19 May 22 '12 at 10:38 ...
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How can I declare and use Boolean variables in a shell script?

...tents of the variable which is the Bash builtin true. Any command could be set as the value of the variable and its exit value would be evaluated. – Paused until further notice. Jun 2 '10 at 4:16 ...
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Merging without whitespace conflicts

...g whitespace, it removes one to three spaces before tabs (I have tab width set to 4), and adds EOLs. I've had reports that the code that adds the EOL deletes the file in windows, but haven't been able to replicate it. sha...
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Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?

...n the startup project). This is probably doable but will take more time to set up. Because of the downsides I generally advice to just keep the Composition Root in the web project. Many developers don’t want their MVC assembly to depend on the DAL assembly, but that's not really a problem. Don't ...
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HTML5: number input type that takes only integers?

... You should probably set min to 1 as he wants positive numbers (and not non-negative numbers). – Martin Thoma May 15 '14 at 20:20 ...
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WPF Databinding: How do I access the “parent” data context?

... I used this to bind to a ICommand on my VM from a ContextMenu set on a ListBoxItem from within a Style. Worked great, thanks!! – Wil P Nov 2 '11 at 17:13 1 ...
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Where does this come from: -*- coding: utf-8 -*-

... This is so called file local variables, that are understood by Emacs and set correspondingly. See corresponding section in Emacs manual - you can define them either in header or in footer of file share | ...
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Build android release apk on Phonegap 3.x CLI

...honeGap 3.4.0 you can call: cordova build android --release If you have set up the 'ant.properties' file in 'platforms/android' directory like the following: key.store=/Path/to/KeyStore/myapp-release-key.keystore key.alias=myapp Then you will be prompted for your keystore password and the outp...
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Get output parameter value in ADO.NET

...sponse shows this, but essentially you just need to create a SqlParameter, set the Direction to Output, and add it to the SqlCommand's Parameters collection. Then execute the stored procedure and get the value of the parameter. Using your code sample: // SqlConnection and SqlCommand are IDisposab...