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Batch files - number of command line arguments
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Googling a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do Set /A argC+=1
echo %argC%
Seems like cmd.exe has evolved a bit from the old DOS days :)
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What is the difference between Polymer elements and AngularJS directives?
... So existing Angular and Ember projects will ultimately benefit from using the underlying platform APIs. But when Web Components are better supported by browsers, would there would be any benefit in still using Angular on new projects, or does it effectively become redundant?
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How can I measure the similarity between two images? [closed]
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2 histograms from 2 halves of image will have better matching precision than 1 histogram of a whole. Though it has drawbacks you mentioned, it depends on what problem you are solving.
– psycho brm
Oc...
jQuery UI “ $(”#datepicker“).datepicker is not a function”
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This error usually appears when you're missing a file from the jQuery UI set.
Double-check that you have all the files, the jQuery UI files as well as the CSS and images, and that they're in the correctly linked file/directory location on your server.
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Android Fragment no view found for ID?
...e getChildFragmentManager()
instead of getFragmentManager()
when calling from a fragment. If you are calling the method from an activity, then use getFragmentManager().
That will solve the problem.
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How do I specify local .gem files in my Gemfile?
...y editing your Gemfile.
Specifying a :path attribute will install the gem from that path on your local machine.
gem "foreman", path: "/Users/pje/my_foreman_fork"
Alternately, specifying a :git attribute will install the gem from a remote git repository.
gem "foreman", git: "git://github.com/pje...
Pandas convert dataframe to array of tuples
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@coldspeed The lesson I got from the linked question is that itertuples is slow because converting to tuples is usually slower than vectorized/cython operations. Given that the question is asking to convert to tuples, is there any reason that we'd think...
Possible to make labels appear when hovering over a point in matplotlib?
...ex and checking if ind["ind"][0] == prev_ind. Then only update if you move from one point to another (update text), stop hovering (make the annotation invisible) or start hovering (make annotation visible). With this change it's way more clean and efficient.
– Sembei Norimaki
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Skip download if files exist in wget?
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-nc is independent from -c right?
– alper
Aug 30 at 17:43
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Git: Remove committed file after push
...concile his local branch head with the central one:
To remove file change from last commit:
to revert the file to the state before the last commit, do:
git checkout HEAD^ /path/to/file
to update the last commit with the reverted file, do:
git commit --amend
to push the updated commit to the r...