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Shading a kernel density plot between two points.
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I never would have gotten that to work if you had not provided the structure. Thanks!
– JD Long
Aug 16 '10 at 17:17
2
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Nullable vs. int? - Is there any difference?
...e gory details see this question, but to give you a quick example here:
void Test<T>(T a, bool b)
{
var test = a is int? & b; // does not compile
var test2 = a is Nullable<int> & b; // does compile
}
The first line gives the following error messages:
e...
SQL Developer is returning only the date, not the time. How do I fix this?
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'Not Logical Setting' :-)
– worldwidejimbo
Dec 12 '14 at 10:39
3
No! It stands...
Build the full path filename in Python
...ethod will corrupt base_filename if it ever contains a dot.
Footnote: Outside of Micorsoft operating systems, there is no such thing as a file name "extension". Its presence on Windows comes from MS-DOS and FAT, which borrowed it from CP/M, which has been dead for decades. That dot-plus-three-lette...
How do you do a ‘Pause’ with PowerShell 2.0?
... choices here for clarity... then offer a new variation that I believe provides the best utility.
<1> ReadKey (System.Console)
write-host "Press any key to continue..."
[void][System.Console]::ReadKey($true)
Advantage: Accepts any key but properly excludes Shift, Alt, Ctrl modifier keys.
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Can PostgreSQL index array columns?
...ntation. If a column is an array type, will all the entered values be individually indexed?
3 Answers
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What's the point of map in Haskell, when there is fmap?
Everywhere I've tried using map , fmap has worked as well. Why did the creators of Haskell feel the need for a map function? Couldn't it just be what is currently known as fmap and fmap could be removed from the language?
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Is it safe to ignore the possibility of SHA collisions in practice?
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The usual answer goes thus: what is the probability that a rogue asteroid crashes on Earth within the next second, obliterating civilization-as-we-know-it, and killing off a few billion people? It can be argued that any unlucky event with a probability lower than that is not actually very import...
Is there a way to chain multiple value converters in XAML?
... @DLeh This is not really elegant as is doesn't work. It provides all converters with final target type instead of correct target type...
– Aleksandar Toplek
Sep 7 '15 at 10:53
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“Diff” an image using ImageMagick
...mpose darken -composite ')' \
-channel RGB -combine diff.png
The idea is follows: convert both file1.png and file2.png to grayscale. Then trat the first as the red channel of the resulting image, the second as the green channel. The blue channel is formed from these two using the darken co...