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For each row in an R dataframe
... When Darren mentioned robust, he meant something like shifting the orders of the columns. This answer would not work whereas the one with by() would still work.
– HelloWorld
Jan 4 '16 at 6:26
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C++ Const Usage Explanation
... Method3) you read back-and-forth from left-to-right-back-to-left, etc. in order to decode naming conventions. So const int* const Method3(const int* const&) const is a class method that doesn't change any class members (of some un-named class) and takes a constant reference to a pointer that p...
Changing Vim indentation behavior by file type
...ds per filetype(s) this way, and they are guaranteed to be executed in the order given.
– underscore_d
Oct 20 '15 at 16:13
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Eclipse: Error “.. overlaps the location of another project..” when trying to create new project
...oldish)
Click OK
Once the project rebuilds, everything should be back in order.
(This was written when Eclipse Indigo was in vogue, and there may be changes as Google updates their tools to cover corner cases.)
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Capturing TAB key in text box [closed]
...some way to prevent the default action, moving to the next item in the tab order, from occurring.
In Firefox you can call the preventDefault() method on the event object passed to your event handler. In IE, you have to return false from the event handle. The JQuery library provides a preventDefault...
Android draw a Horizontal line between views
...droid:layout_height="wrap_content"
android:text="Three"/>
....
In order to use Space you should add the dependency in your build.gradle:
dependencies {
compile 'com.android.support:support-v4:22.1.+'
}
Documentation https://developer.android.com/reference/android/support/v4/widget/Sp...
Difference between “and” and && in Ruby?
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@BKSpurgeon See here for a ordered list of operator precedence in Ruby.
– thutt
Jul 27 '17 at 8:25
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How to print out all the elements of a List in Java?
...ng representation consists of a list of the collection's elements in the
order they are returned by its iterator, enclosed in square brackets
("[]"). Adjacent elements are separated by the characters ", " (comma
and space). Elements are converted to strings as by
String.valueOf(Object).
If...
How to delete files/subfolders in a specific directory at the command prompt in Windows
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In order not to remove the folder itself, make it the current directory before, then use "." as FOLDERNAME. Re-creating it afterwards is not neccessarily the same because ACLs could be lost. cd "FOLDERNAME" RD . /S /Q
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Remove an entire column from a data.frame in R
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