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Specifying colClasses in the read.csv
I am trying to specify the colClasses options in the read.csv function in R. In my data, the first column "time" is basically a character vector while the rest of the columns are numeric.
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How can I determine if a String is non-null and not only whitespace in Groovy?
Groovy adds the isAllWhitespace() method to Strings, which is great, but there doesn't seem to be a good way of determining if a String has something other than just white space in it.
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How to define @Value as optional
...e correct way to specify that @Value is not required?
Working on the assumption that by 'not required' you mean null then...
You have correctly noted that you can supply a default value to the right of a : character. Your example was @Value("${myValue:DEFAULT}").
You are not limited to plain st...
.NET Process.Start default directory?
I'm firing off a Java applim>cat m>ion from inside of a C# .NET console applim>cat m>ion. It works fine for the case where the Java applim>cat m>ion doesn't care what the "default" directory is, but fails for a Java applim>cat m>ion that only searches the current directory for support files.
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Mercurial .hgignore for Visual Studio 2010 projects
Not to be confused with Mercurial .hgignore for Visual Studio 2008 projects
2 Answers
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Target elements with multiple classes, within one rule
I have some HTML that would have elements with multiple classes, and I need to assign them within one rule, so that the same classes could be different within different containers. Say I have this in my CSS:
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Duplim>cat m>e headers received from server
I found this error while exporting to pdf in chrome.
5 Answers
5
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If I have ACCESS_FINE_LOm>CAT m>ION already, can I omit ACCESS_COARSE_LOm>CAT m>ION?
I have a GPS app that already requests ACCESS_FINE_LOm>CAT m>ION permission in the manifest, now I want to add a library (MoPub) that requires ACCESS_COARSE_LOm>CAT m>ION .
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What's the difference of $host and $http_host in Nginx
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$host is a variable of the Core module.
$host
This variable is equal to line Host in the header of request or
name of the server processing the request if the Host header is not
available.
This variable may have a different value from $http_host in suc...
jQuery add image inside of div tag
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Have you tried the following:
$('#theDiv').prepend('<img id="theImg" src="theImg.png" />')
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