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Is there a command to undo git init?
I just Git init'ed a repos with a wrong user, and want to undo it. Is there any command for this? Do I actually have to go in and edit the .git directory?
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What's the fastest way to merge/join data.frames in R?
...he first. If there are duplicates in the second data frame then the match and merge approaches are not the same. Match is, of course, faster since it is not doing as much. In particular it never looks for duplicate keys. (continued after code)
DF1 = data.frame(a = c(1, 1, 2, 2), b = 1:4)
DF2 = da...
Skip a submodule during a Maven build
...ation tests to be run by default, I added activeByDefault to that profile, and then had to add another empty profile (e.g. skip-integration-tests) to be able to skip them.
– denishaskin
Nov 29 '11 at 12:57
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How to make script execution wait until jquery is loaded
... a subsequent script. Is there a way to check for the existence of jquery and if it doesn't exist, wait for a moment and then try again?
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How can I list all the deleted files in a Git repository?
I know Git stores information of when files get deleted and I am able to check individual commits to see which files have been removed, but is there a command that would generate a list of every deleted file across a repository's lifespan?
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Tool for generating railroad diagram used on json.org [closed]
...n copy the SVG code or take screen shots.
You have to type in the grammar and it'll make the diagram.
For example, to create the first railroad diagram you show, you would use the code:
object ::= '{' ((string ':' value ) ( ',' string ':' value )*)? '}'
Then you could go on to define string a...
How to make a class JSON serializable
...you want more customized output then you will have to subclass JSONEncoder and implement your own custom serialization.
For a trivial example, see below.
>>> from json import JSONEncoder
>>> class MyEncoder(JSONEncoder):
def default(self, o):
return o.__dict_...
The selected run destination is not valid for this action
...MyApp My Mac 64-bit". How can I get this set back to iphone/ipad simulator and devices? My "Targeted Device Family" setting is iPhone/iPad.
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IOS7 : UIScrollView offset in UINavigationController
I'm currently migrating my app on ios 7 and I've been stuck for hours on the new navigationcontroller/bar management.
8 Ans...
Is there a (repeat-last-command) in Emacs?
Frequently, I've dug into apropos and docs looking for something like the following only to give up to get back to the task at hand:
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