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How to upgrade R in ubuntu? [closed]
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Add a line with the source from where the packages will be retrieved. For example:
deb https://cloud.r-project.org/bin/linux/ubuntu/ version/
Replace https://cloud.r-project.org with whatever mirror you would like to use, and replace
version/ with whatever version of Ubuntu you are using (eg...
How to implement not with if statement in Ember Handlebars?
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Simple answers for simple questions:
{{#unless isValid}}
{{/unless}}
Also keep in mind that you can insert an {{else}} in between an {{#if}} or {{#unless}} and the closing tag.
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Custom global Application class breaks with “android.app.Application cannot be cast to”
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The error states that the type of the object returned by getApplication is android.app.Application. A possible cause for this is that you failed to define the application in the manifest. Make sure that your manifest includes someth...
How to preserve insertion order in HashMap? [duplicate]
...en I iterate over the map, the data is returned in (often the same) random order. But the data was inserted in a specific order, and I need to preserve the insertion order. How can I do this?
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:after and :before pseudo-element selectors in Sass [duplicate]
How can I use the :before and :after pseudo-element selectors following the syntax of Sass or, alternatively, SCSS? Like this:
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Subtract days from a DateTime
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That error usually occurs when you try to subtract an interval from DateTime.MinValue or you want to add something to DateTime.MaxValue (or you try to instantiate a date outside this min-max interval). Are you sure you're not assigni...
JavaScript set object key by variable [duplicate]
...some objects in JavaScript and pushing those objects into an array, I am storing the key I want to use in a variable then creating my objects like so:
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Using a string variable as a variable name [duplicate]
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You can use exec for that:
>>> foo = "bar"
>>> exec(foo + " = 'something else'")
>>> print bar
something else
>>>
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How to merge multiple lists into one list in python? [duplicate]
...add them:
['it'] + ['was'] + ['annoying']
You should read the Python tutorial to learn basic info like this.
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Resque vs Sidekiq? [closed]
I am currently using Resque for my background process but recently I heard a lot of huff-buff about sidekiq . Could anybody compare/differentiate?
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