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How to create a temporary directory?
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My favorite one-liner for this is
cd $(mktemp -d)
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A type for Date only in C# - why is there no Date type?
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You can use this today, just subscribe to the corefx myget feed, and you can pull in System.Time just like any other package. It's just not "official" yet.
– Matt Johnson-Pint
Feb 2 '17 at 18:50
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HashMap get/put complexity
...tely, that worst case scenario doesn't come up very often in real life, in my experience. So no, O(1) certainly isn't guaranteed - but it's usually what you should assume when considering which algorithms and data structures to use.
In JDK 8, HashMap has been tweaked so that if keys can be compared...
How can I create a correlation matrix in R?
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@AgustínIndaco - I have updated my answer with a further example. The image function doesn't automatically take the row and column names, so this must be added.
– Marc in the box
Apr 11 '17 at 16:36
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How is a CRC32 checksum calculated?
...riginal number we had)
I know this is a leap of faith but this is beyond my capability as a line-programmer. If you are a hard-core CS-student or engineer I challenge to break this down. Everyone will benefit from this analysis.
So to work out a full example:
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Are tuples more efficient than lists in Python?
...e access is slower than list access. However, trying that in Python 2.7 on my Windows 7 PC, the difference is only 10%, so unimportant.
– ToolmakerSteve
Dec 15 '13 at 19:57
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Resize image proportionally with MaxHeight and MaxWidth constraints
... run Save method if you don't need to save the image. This is exactly what my ScaleImage method does - returns image without saving it.
– Alex Aza
Aug 25 '16 at 7:29
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Error handling in C code
...about not mixing styles. I'm curious about your reasoning on asserts. If my function documentation says "argument X must not be NULL" or "Y must be a member of this enum", than what is wrong with assert(X!=NULL); or assert(Y<enumtype_MAX); ? See this answer on programmers and the question it l...
How to access accelerometer/gyroscope data from Javascript?
...ross a few websites that seems to access the accelerometer or gyroscope on my laptop, detecting changes in orientation or movement.
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
... to keep things simple, but I agree, this is possibly the worst written of my answers!
– Rich Bradshaw
Jul 16 '12 at 7:11
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