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Difference between “git checkout ” and “git checkout -- ”
...er what it looks like." This is not Git-specific, it's a general Unix command line convention. Normally you use it to clarify that an argument is a file name rather than an option, e.g.
rm -f # does nothing
rm -- -f # deletes a file named "-f"
git checkout1 also takes -- to mean that sub...
Rotating a point about another point (2D)
...onizer exactly the same, just use your point subtraction/addition routines and your vector*matrix function for rotation.
– Nils Pipenbrinck
Oct 2 '17 at 4:37
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Can you have additional .gitignore per directory within a single repo?
...an you create a .gitignore file in a directory that only applies to files (and directories) within that directory?
3 Answer...
SQL Server - Return value after INSERT
... an INSERT-statement.
Example:
I've got a table with the attributes name and id. id is a generated value.
13 Answers
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How to pass macro definition from “make” command line arguments (-D) to C source code?
I usually pass macro definitions from "make command line" to a "makefile" using the option :
-Dname=value. The definition is accessible inside the makefile.
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Intercept page exit event
... page within my system, a user might decide to navigate to another website and in doing so could lose all the edits they have not saved.
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CSS: how to position element in lower right?
...m trying to position the text element "Bet 5 days ago" in the lower right-hand corner. How can I accomplish this? And, more importantly, please explain so I can conquer CSS!
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Superscript in markdown (Github flavored)?
... to write O(n^2) sensibly, I would just type O(n<sup>2</sup>), and it would appear as O(n<sup>2</sup>). Nice. Now why didn't that work on SO markdown?
– phonetagger
Apr 2 '15 at 17:19
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Is $(document).ready necessary?
...odular code to use the document.ready event. Do you really want to go back and debug old code if you reuse it elsewhere?
off-topic:
As a side note: you should use jQuery(function($){...}); instead of $(document).ready(function(){...}); as it forces the alias to $.
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Go to first line in a file in vim?
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In command mode (press Esc if you are not sure) you can use:
gg,
:1,
1G,
or 1gg.
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