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How to print a dictionary's key?
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This is the one answer I know isn't right, since the OP said, "I don't want all the keys listed."
– Ned Batchelder
May 6 '11 at 0:58
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Handler vs AsyncTask
I'm confused as to when one would choose AsyncTask over a Handler. Say I have some code I want to run every n seconds which will update the UI. Why would I choose one over the other?
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Google Authenticator available as a public service?
...ons support multiple accounts.
The actual process is straightforward. The one time code is, essentially, a pseudo random number generator. A random number generator is a formula that once given a seed, or starting number, continues to create a stream of random numbers. Given a seed, while the numbe...
Left align two graph edges (ggplot)
...dges regardless of axis labels. (the problem arises because the labels of one graph are short while the other is long).
9 ...
Java: Best way to iterate through a Collection (here ArrayList)
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The first one is useful when you need the index of the element as well. This is basically equivalent to the other two variants for ArrayLists, but will be really slow if you use a LinkedList.
The second one is useful when you don't ne...
How to delete an app from iTunesConnect / App Store Connect
...jected I use to see a "delete" button on the summary page. Now I don't see one anymore.
7 Answers
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How is the undo tree used in Vim?
...ommands and their usage.
There are two ways to traverse the undo tree. One is to go "back in time". g+ and g- will traverse all of the nodes in the tree in chronological or reverse-chronological order (which can be a bit confusing, because it can jump arbitrarily between undo branches, but if y...
EC2 Instance Cloning
Is it possible to clone a EC2 instance data and all?
7 Answers
7
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Error “can't use subversion command line client : svn” when opening android project checked out from
...and because it's not on PATH, and it doesn't know where svn is installed.
One way to fix is to edit the PATH environment variable: add the directory that contains svn.exe. You will need to restart Android Studio to make it re-read the PATH variable.
Another way is to set the absolute path of svn.e...
Undo a Git merge that hasn't been pushed yet
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With git reflog check which commit is one prior the merge (git reflog will be a better option than git log). Then you can reset it using:
git reset --hard commit_sha
There's also another way:
git reset --hard HEAD~1
It will get you back 1 commit.
Be aware ...