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Numbering rows within groups in a data frame
Working with a data frame similar to this:
7 Answers
7
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How do I list the symbols in a .so file
How do I list the symbols being exported from a .so file? If possible, I'd also like to know their source (e.g. if they are pulled in from a static library).
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How to compare two dates?
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Use the datetime method and the operator < and its kin.
>>> from datetime import datetime, timedelta
>>> past = datetime.now() - timedelta(days=1)
>>> present = datetime.now()
>>> past < present
True
>>> datetim...
Creating an official github mirror
How do I create a github mirror for an external git repository, such that it appears as "real mirror", e.g., as in https://github.com/mirrors ?
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How to call erase with a reverse iterator
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After some more research and testing I found the solution. Apparently according to the standard [24.4.1/1] the relationship between i.base() and i is:
&*(reverse_iterator(i)) == &*(i - 1)
(from a Dr. Dobbs article):
So you ...
How do I put an already-running process under nohup?
I have a process that is already running for a long time and don't want to end it.
11 Answers
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What is the difference between gmake and make?
...es, it could refer to some other implementation of make, such as BSD make, or the make implementations of various commercial unixes.
The language accepted by GNU make is a superset of the one supported by the traditional make utility.
By using 'gmake' specifically you can use GNU make extensions w...
What is the maximum depth of the java call stack?
How deep do I need to go into the call stack before I get a StackOverflowError? Is the answer platform dependent?
4 Answers...
HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
I am using XAMPP for development. Recently I upgraded my installation of xampp from an old version to 1.7.3.
12 Answers
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Can Git hook scripts be managed along with the repository?
We'd like to make a few basic hook scripts that we can all share -- for things like pre-formatting commit messages. Git has hook scripts for that that are normally stored under <project>/.git/hooks/ . However, those scripts are not propagated when people do a clone and they are not version ...