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How to pass arguments into a Rake task with environment in Rails? [duplicate]

... TLDR; task :t, [args] => [deps] Original Answer When you pass in arguments to rake tasks, you can require the environment using the :needs option. For example: desc "Testing environment and variables" task :hello, :message, :...
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Rails hidden field undefined method 'merge' error

I wanna do something like this in rails 6 Answers 6 ...
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Is there a way to change context to iframe in javascript console?

I would like to change the context of the javascript executed in the webkit developer tool/firebug console to execute its code like it is running from inside an iframe on the page. ...
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Processing $http response in service

...o simulate asynchronous behavior. Data binding from my model to view is working correct, with the help of @Gloopy 12 Answer...
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How to use a variable to specify column name in ggplot

... David RobinsonDavid Robinson 68.3k1212 gold badges146146 silver badges171171 bronze badges ...
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How to list the files inside a JAR file?

...(true) { ZipEntry e = zip.getNextEntry(); if (e == null) break; String name = e.getName(); if (name.startsWith("path/to/your/dir/")) { /* Do something with this entry. */ ... } } } else { /* Fail... */ } Note that in Java 7, you can create a FileSystem fr...
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String formatting: % vs. .format vs. string literal

...icated in many ways. An annoying thing about % is also how it can either take a variable or a tuple. You'd think the following would always work: "hi there %s" % name yet, if name happens to be (1, 2, 3), it will throw a TypeError. To guarantee that it always prints, you'd need to do "hi there %...
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How to create a fixed-size array of objects

In Swift, I am trying to create an array of 64 SKSpriteNode. I want first to initialize it empty, then I would put Sprites in the first 16 cells, and the last 16 cells (simulating an chess game). ...
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Safe String to BigDecimal conversion

... Check out setParseBigDecimal in DecimalFormat. With this setter, parse will return a BigDecimal for you. share | improve this a...
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Making a LinearLayout act like an Button

I have a LinearLayout that I've styled to look like a button , and it contains a few text/ImageView elements. I would like to make the whole LinearLayout act like a button , in particular to give it states that are defined in a so it has a different background when it is pressed. ...