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How to remove trailing whitespace of all files recursively?
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You can make it faster by using \+ instead of * in the replacement string - Otherwise it matches on every single line.
– l0b0
Mar 5 '12 at 13:20
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
The latest changesets to Ruby 1.9.2 no longer make the current directory . part of your LOAD_PATH . I have a non-trivial number of Rakefiles that assume that . is part of the LOAD_PATH , so this broke them (they reported "no such file to load" for all require statements that based off the proj...
Why is there no Convert.toFloat() method?
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"Single" is the name for a float in the BCL. "float" is an alias provided by C#. There's a Convert.ToSingle() method, just like there's
Convert.ToInt32() instead of Convert.ToInt().
See this thread Convert class
(BTW - I didn't know this either, so I learned something new today :) )
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Update ViewPager dynamically?
...to see whether they need to be moved to a different position or removed.
By default, getItemPosition() returns POSITION_UNCHANGED, which means, "This object is fine where it is, don't destroy or remove it." Returning POSITION_NONE fixes the problem by instead saying, "This object is no longer an i...
module.exports vs exports in Node.js
...nd exports to ensure exports isn't referencing the prior exported object. By setting both you use exports as a shorthand and avoid potential bugs later on down the road.
Using exports.prop = true instead of module.exports.prop = true saves characters and avoids confusion.
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Accidentally committed .idea directory files into git
...ed files
First, add it to .gitignore, so it is not accidentally committed by you (or someone else) again:
.idea
Remove it from repository
Second, remove the directory only from the repository, but do not delete it locally. To achieve that, do what is listed here:
Remove a file from a Git re...
C++ compile error: has initializer but incomplete type
...about what file to include unless he knows the standard library file names by heart, which is a ridiculous expectation. I hope someone reports it as a bug.
– j riv
Jul 9 '18 at 11:07
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How do I calculate the normal vector of a line segment?
...x).
Note that no division is required, and so you're not risking dividing by zero.
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Named string formatting in C#
Is there any way to format a string by name rather than position in C#?
18 Answers
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How can I initialize an ArrayList with all zeroes in Java?
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The list returned by nCopies is immutable, so creating a new ArrayList is probably a good idea.
– aioobe
Apr 8 '11 at 21:16
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