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Download a specific tag with Git

...ithub.com/git/git.git This seems to be the fastest way to check out code from a remote repository if one has only interest in the most recent code instead of in a complete repository. In this way, it resembles the 'svn co' command. Note: Per the Git manual, passing the --depth flag implies --sing...
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Python append() vs. + operator on lists, why do these give different results?

...egral data types. Do not confuse arrays with lists. They are not the same. From the array docs: Arrays are sequence types and behave very much like lists, except that the type of objects stored in them is constrained. The type is specified at object creation time by using a type code, which is a sin...
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No submodule mapping found in .gitmodule for a path that's not a submodule

... mentions: do you get the same error when running 'git submodule init' from a fresh clone? If so, you have something wrong. If you have no submodules, delete .gitmodules, and any references to submodules in .git/config, and ensure the Pikimal dir does not have a .git dir in it. If t...
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How do I clear my local working directory in Git? [duplicate]

...rko posted) Stack Overflow question "How to remove local (untracked) files from the current Git working tree") share | improve this answer | follow | ...
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How to sum a variable by group

...n has numbers that represent the number of times I saw the specific groups from "Category". 15 Answers ...
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What is hashCode used for? Is it unique?

... The quote from the MSDN is now out-of-date. The MSDN is now not as explicit about the hash code not being unique. – user34660 Dec 26 '17 at 22:11 ...
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Running junit tests in parallel in a Maven build?

... From junit 4.7 it's now possible to run tests in parallel without using TestNG. Actually it has been possible since 4.6, but there are a number of fixes being made in 4.7 that will make it a viable option. You may also run pa...
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Refactoring in Vim

...re useful I find Vim for refactoring: feeling comfortable saving/restoring from registers, incrementing/decrementing register counter variables, cleaning/saving macro recordings to file for later use, etc. Update Since writing this more videocasts for the methods I describe have been published o...
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How can I get form data with JavaScript/jQuery?

... Please also beware that in order to record a value from any form input, the input must have a name attribute. – Chris - Jr Oct 27 '17 at 19:37 ...
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How to update a plot in matplotlib?

...called within a for loop, similar to Matlab's drawnow. An example usage: from pylab import figure, plot, ion, linspace, arange, sin, pi def draw_fig(): # can be arbitrarily complex; just to draw a figure #figure() # don't call! plot(t, x) #show() # don't call! N = 1e3 figure() # c...