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Check if the number is integer
I was surprised to learn that R doesn't come with a handy function to check if the number is integer.
12 Answers
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Checking if a variable is defined?
...ring
=> "constant"
>> defined? 1
=> "expression"
As skalee commented: "It is worth noting that variable which is set to nil is initialized."
>> n = nil
>> defined? n
=> "local-variable"
sh...
Using Phonegap for Native Application development [closed]
...unique approach, and feature-set. Do some research and use one, but avoid combining. You can read about some more options, tools here: http://www.phonegap.com/tool (link updated)
Also, more on just mobile development in general, with PhoneGap If you're looking to build apps, that are distributed...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
...ut it's possible that the version you used before somehow defaulted to autocommit mode while the new version does not. The error might still have occurred, but you could more easily have missed it. It's also possible that data type conversion or something else has changed since the old version. R...
“405 method not allowed” in IIS7.5 for “PUT” method
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input type=“text” vs input type=“search” in HTML5
...or type="email" bringing up a special version of the keyboard, with @ and .com and the rest available.
On a cellphone, search could bring up an internal search applet, if they wanted.
On the other side, it helps current devs with css.
input[type=search]:after { content : url("magnifying-glass.gif...
Bootstrap trying to load map file. How to disable it? Do I need to do it?
I'm recently playing with bootsrap3. I compiled it from sources and included distr js and css to my project. The thing is, I see in GH dev tools, that it's trying to get .map.css file. Why does it want to do so? How to disable it? Do I need to disable it? To not to have an error mark in dev tools, I...
How to write logs in text file when using java.util.logging.Logger
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How to force GitHub Pages build?
...can be built with Jekyll. GitHub builds the site every time you push a new commit.
Is there a way to force the refresh of the Github Pages website without pushing a new commit?
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Calculate the date yesterday in JavaScript
...'t verify "all" browsers but worked in all I tested camo.githubusercontent.com/…
– James Kyburz
Mar 24 '14 at 20:57
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