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Difference between ProcessBuilder and Runtime.exec()
I'm trying to execute an external command from java code, but there's a difference I've noticed between Runtime.getRuntime().exec(...) and new ProcessBuilder(...).start() .
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`levels
...answers here are good, but they are missing an important point. Let me try and describe it.
R is a functional language and does not like to mutate its objects. But it does allow assignment statements, using replacement functions:
levels(x) <- y
is equivalent to
x <- `levels<-`(x, y)
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Color in git-log
... default:
the HEAD in cyan
the remote branches in red
the tag in green
and can be changed through color.decorate config.
But the git log --format don't offer a way to display specifically the HEAD or remotes or branch: all three are displayed through %d, with one color possible.
Update May ...
Calling a class function inside of __init__
I'm writing some code that takes a filename, opens the file, and parses out some data. I'd like to do this in a class. The following code works:
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With bash, how can I pipe standard error into another process?
It's well known how to pipe the standard ouput of a process into another processes standard input:
5 Answers
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How to exclude certain directories/files from git grep search
...rep ? Something similar to the --exclude option in the normal grep command?
5 Answers
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How can I obtain the element-wise logical NOT of a pandas Series?
I have a pandas Series object containing boolean values. How can I get a series containing the logical NOT of each value?
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VB.NET - How to move to next item a For Each Loop?
...ually this is what you want, but if not you'll have to use GetEnumerator() and then MoveNext()/Current explicitly rather than using a For Each loop.
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IE10 renders in IE7 mode. How to force Standards mode?
...ssumption that most webpages were written to target earlier versions of IE and looks at the doctype, meta tags and HTML to determine the best compatibility mode (sometimes incorrectly). Even with a HTML5 doctype IE will still place your website in compatibility mode if it's an intranet site.
To ens...
Understanding dispatch_async
...e background.
For instance, if I am downloading a file from the internet and I want to update the user on the progress of the download, I will run the download in the priority default queue and update the UI in the main queue asynchronously.
dispatch_async(dispatch_get_global_queue( DISPATCH_QUEU...