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How to sum a variable by group
... soon for example, since some data.table users have 250GB of RAM and GNU R now supports length > 2^31.
– Matt Dowle
Sep 9 '13 at 10:05
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How to copy a file to a remote server in Python using SCP or SSH?
...call .close() on the file first if you're not using a with block), so you know it's flushed to disk from Python.
You need to generate (on the source machine) and install (on the destination machine) an ssh key beforehand so that the scp automatically gets authenticated with your public ssh key (in ...
How to Reload ReCaptcha using JavaScript?
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For anyone using the new reCAPTCHA: The line has now changed to grecaptcha.reset(); (documenation)
– SebiH
Jan 6 '15 at 8:36
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How do I remove an item from a stl vector with a certain value?
...ontainer_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(), int_to_remove), vec.end());
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HTML5 Email Validation
...t. No need to specify the pattern (I just copied code from OP, I corrected now :) )
– Midhun MP
Oct 26 '13 at 11:01
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Removing ul indentation with CSS
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Thanks for the response. I figured out the problem now. I was using: body {text-align:center;}
– solerous
Mar 8 '12 at 17:33
add a comment
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Creating java date object from year,month,day
...ipt API designers. Other than that, probably nobody. Note that Calendar is now obsoleted by th the Java 8 java.time API, which does the right thing.
– JB Nizet
Sep 27 '17 at 6:55
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Is there a decorator to simply cache function return values?
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the backport can now be found here: pypi.python.org/pypi/backports.functools_lru_cache
– Frederick Nord
Jul 21 '15 at 7:55
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Copy folder recursively, excluding some folders
...ou using? Rsync is included by default in all mainstream Linux distros I know of, including RHEL, CentOS, Debian, and Ubuntu, and I believe it's in FreeBSD as well.
– siliconrockstar
Jan 30 '15 at 19:50
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How to remove all click event handlers using jQuery?
...ways be unbound the same way... $('#saveBtn').unbind('whatever event(s)'); Now, to RE-BIND... yes, your technique may be easier in certain circumstances.
– KyleFarris
May 5 '09 at 17:44
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