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How to resume Fragment from BackStack if exists
I am learning how to use fragments. I have three instances of Fragment that are initialized at the top of the class. I am adding the fragment to an activity like this:
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git pull while not in a git directory
...a git repository. Is it possible to somehow call a command like git pull from inside /X , but targeting the /X/Y directory?
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What are metaclasses in Python?
In Python, what are metaclasses and what do we use them for?
22 Answers
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How to find out which processes are using swap space in Linux?
Under Linux, how do I find out which process is using the swap space more?
17 Answers
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Apache Spark: map vs mapPartitions?
What's the difference between an RDD's map and mapPartitions method? And does flatMap behave like map or like mapPartitions ? Thanks.
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Best way to make Django's login_required the default
I'm working on a large Django app, the vast majority of which requires a login to access. This means that all throughout our app we've sprinkled:
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How to create named and latest tag in Docker?
...t's an image containing Node.js 0.10.24). I built that image using a Dockerfile and executing docker build and by providing a tag using the -t parameter.
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Git: How to remove file from index without deleting files from any repository
... not think a Git commit can record an intention like “stop tracking this file, but do not delete it”.
Enacting such an intention will require intervention outside Git in any repositories that merge (or rebase onto) a commit that deletes the file.
Save a Copy, Apply Deletion, Restore
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
I'm having a little trouble understanding the pass-by-reference properties of data.table . Some operations seem to 'break' the reference, and I'd like to understand exactly what's happening.
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Global variables in R
...s, I wanted to ask the community:
How can we set global variables inside a function?
3 Answers
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