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How to check type of files without extensions in python?
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imghdr with combination of filetype worked for me in windows
– Hrushikesh Dhumal
Oct 23 '19 at 20:16
add a comme...
How to uninstall a Windows Service when there is no executable for it left on the system?
...n the Windows Resource Kit) by running the following in an "administrator" command prompt:
sc.exe delete <service name>
where <service name> is the name of the service itself as you see it in the service management console, not of the exe.
You can find sc.exe in the System folder and...
How to tell Jackson to ignore a field during serialization if its value is null?
...ter so that the attribute would be shown if the value is not null.
A more complete example is available in my answer to How to prevent null values inside a Map and null fields inside a bean from getting serialized through Jackson.
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How to use OrderBy with findAll in Spring Data
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Convert String to SecureString
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"The combination is 12345... that's the kind of thing an idiot has on his luggage!"
– Kolob Canyon
Sep 27 '17 at 23:47
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Show percent % instead of counts in charts of categorical variables
...meaningful changes to the ggplot syntax. Summing up the discussion in the comments above:
require(ggplot2)
require(scales)
p <- ggplot(mydataf, aes(x = foo)) +
geom_bar(aes(y = (..count..)/sum(..count..))) +
## version 3.0.0
scale_y_continuous(labels=percent)
He...
'transform3d' not working with position: fixed children
...ck for fixed positioned descendants.
This means that fixed positioning becomes fixed to the transformed element, rather than the viewport.
There's not currently a work-around that I'm aware of.
It is also documented on Eric Meyer's article: Un-fixing Fixed Elements with CSS Transforms.
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How to save and restore multiple different sessions in Vim?
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Thanks @Benj. I'm new in vim. How can I 'source' in the command line?
– Jogusa
Oct 29 '09 at 10:17
1
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The smallest difference between 2 Angles
...latter approach's second statement, is a -= 360*sgn(a)*(abs(a) > 180). (Come to think of it, if you've branchless implementations of sgn and abs, then that characteristic might actually start to compensate for needing two multiplications.)
– mmirate
Jul 25 '...