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Replacement for “rename” in dplyr
...which does keep it consistent with the rest of the dplyr functions. Personally, I don't think of it as a problem--you get used to new things quickly especially when it means a significant speedup in your data processing.
– vergilcw
Feb 3 '14 at 15:47
...
Private and protected constructor in Scala
...e keyword between the class name and the parameter list, like this:
class Foo private () {
/* class body goes here... */
}
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Tools to get a pictorial function call graph of code [closed]
...e which has many source files of C code. Although I can see the functions called from a function in MS VS2005 using the Object browser, and in MSVC 6.0 also, this only shows functions called from a particular function in a non-graphical kind of display. Additionally, it does not show the function ca...
“simple” vs “current” push.default in git for decentralized workflow
...n if a branch with the same name exists on the remote):
$ git checkout -b foo
Switched to a new branch 'foo'
$ git config push.default simple
$ git push
fatal: The current branch foo has no upstream branch.
To push the current branch and set the remote as upstream, use
git push --set-upstream...
How do you create optional arguments in php?
...ument must be a constant expression. It can't be a variable or a function call.
If you need this functionality however:
function foo($foo, $bar = false)
{
if(!$bar)
{
$bar = $foo;
}
}
Assuming $bar isn't expected to be a boolean of course.
...
C# Interfaces. Implicit implementation versus Explicit implementation
...ImplementedException();
}
The difference is that implicit implementation allows you to access the interface through the class you created by casting the interface as that class and as the interface itself. Explicit implementation allows you to access the interface only by casting it as the interfa...
Aborting a stash pop in Git
... any merging done by the git stash apply.
The reverse merge requires that all current changes be pushed into the index:
git add -u
Then invert the merge-recursive that was done by git stash apply:
git merge-recursive stash@{0}: -- $(git write-tree) stash@{0}^1
Now you will be left with just...
Android preferences onclick event
...
Where shall i place this? in my SettingsActivity in onPostCreate wont work because it is too early(Nullpointer-Exception). Any help is appreciated
– Wandang
Feb 21 '13 at 18:28
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What does PHP keyword 'var' do?
...tants states that var must not be used, and visibility must be declared on all properties.
– Charles Wood
Nov 11 '19 at 14:23
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Align labels in form next to input
...technology has made for what I think is a better solution. CSS Grid Layout allows us to structure a more elegant solution.
The CSS below provides a 2-column "settings" structure, where the first column is expected to be a right-aligned label, followed by some content in the second column. More comp...