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Check for installed packages before running install.packages() [duplicate]
I have an R script that is shared with several users on different computers. One of its lines contains the install.packages("xtable") command.
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How do I link to Google Maps with a particular longitude and latitude?
I have a small application that gives the current location: longitude and latitude.
Now I have to browse to google maps with the longitude and latitude.
Please suggest how I can do this.
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How to trigger HTML button when you press Enter in textbox?
So the code that I have so far is:
12 Answers
12
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Execute the setInterval function without delay the first time
It's there a way to configure the setInterval method of javascript to execute the method immediately and then executes with the timer
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How do I create an abstract base class in JavaScript?
Is it possible to simulate abstract base class in JavaScript? What is the most elegant way to do it?
16 Answers
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Using psql how do I list extensions installed in a database?
How do I list all extensions that are already installed in a database or schema from psql?
3 Answers
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How do I show an open file in eclipse Package Explorer?
When a file (.java for example) is open in Eclipse, how do I get the Package Explorer to show the file that I am working on?
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Printing 1 to 1000 without loop or conditionals
Task : Print numbers from 1 to 1000 without using any loop or conditional statements. Don't just write the printf() or cout statement 1000 times.
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Reload an iframe with jQuery
I have two iframes on a page and one makes changes to the other but the other iframe doesn't show the change until I refresh. Is there an easy way to refresh this iframe with jQuery?
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Understanding what 'type' keyword does in Scala
I am new to Scala and I could not really find a lot about the type keyword. I am trying to understand what the following expression may mean:
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