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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 can I get my webapp's base URL in ASP.NET MVC?
...plication? I.e., if IIS is set to serve my application at http://example.com/foo/bar , then I'd like to be able to get that URL in a reliable way that doesn't involve getting the current URL from the request and chopping it up in some fragile way that breaks if I re-route my action.
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]
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$? is used to find the return value of the last executed command.
Try the following in the shell:
ls somefile
echo $?
If somefile exists (regardless whether it is a file or directory), you will get the return value thrown by the ls command, which should be 0 (default "success" r...
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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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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How to set java_home on Windows 7?
...ME Variable
Once you have the JDK installation path:
Right-click the My Computer icon on your desktop and select Properties.
Click the Advanced tab, then click the Environment Variables button.
Under System Variables, click New.
Enter the variable name as JAVA_HOME.
Enter the variable value as t...
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 '...