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Group by multiple columns in dplyr, using string vector input
...cumentation here). This lets you use the same functions you would use with select, like so:
data = data.frame(
asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE),
a30mvxigxkghc5cdsvxvyv0ja = sample(LETTERS[1:3], 100, replace=TRUE),
value = rnorm(100)
)
# get the column...
Download the Android SDK components for offline install
...p) folder/directory in your offline machine.
Now start the SDK manager and select the package which you have paste in temp and click Install package button. Your package has been installed.
Restart your eclipse and AVD manager to get new packages.
Note:- if you are downloading sdk-tools or sdk pla...
Match multiple cases classes in scala
...either sb or sc get bound, but you don't know which, so you'd need further selection logic to decide which to use (given that they were bound to a Option[String], not a String). So there's nothing gained over this:
l match {
case A() => "A"
case B(sb) => "B(" + sb + ")"
case C(s...
Combining Multiple Commits Into One Prior To Push
...commit: Add feature
b860ddb HEAD@{2}: commit: Add something
Reset to your selected head (I have chosen HEAD@{2})
git reset b860ddb --soft
git status (just to be sure)
Add your new commit
git commit -m "Add new commit"
Note: HEAD@{0} & HEAD@{1} Are now merged into 1 commit, this can be don...
import module from string variable
...ich I hope will automate document generation from future MPL releases.
I selected interested submodules/packages and want to list their main classes from which I'll generate list and process it with pydoc
...
Should I index a bit field in SQL Server?
...ndex would be good because it will order them by value and then be able to select the small working set very quickly. If you agree, add that and I will accept it.
– jeremcc
Oct 23 '08 at 21:01
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IIS_IUSRS and IUSR permissions in IIS8
...the underline):
Press OK to add the user
With the new user (your domain) selected, now you can safely provide any Modify or Write permissions
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How to explore web-based Google Play in another country?
... Download Link Here From Cnet You can change around the settings a bit and select routing servers to go through only certain countries. The official website has some more documentation on this.
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What is the difference between an Azure Web Site and an Azure Web Role
...al Network support
Here's a screengrab I took from the Web Sites gallery selection form:
I think Web Apps are a great way to get up and running quickly, where you can move from shared to reserved resources. Once you outgrow this, you can then move up to Web Roles and expand as you need.
...
Example of multipart/form-data
... > a.html
Run:
nc -l localhost 8000
Open the HTML on your browser, select the files and click on submit and check the terminal.
nc prints the request received. Firefox sent:
POST / HTTP/1.1
Host: localhost:8000
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:29.0) Gecko/20100101 Fire...