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Error: could not find function … in R
...n code created for a newer version. Newly added functions (eg hasName in R 3.4.0) won't be found then. If you use an older R version and want to use a newer function, you can use the package backports to make such functions available. You also find a list of functions that need to be backported on t...
How to check “hasRole” in Java Code with Spring Security?
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Spring Security 3.0 has this API
SecurityContextHolderAwareRequestWrapper.isUserInRole(String role)
You'll have to inject the wrapper, before you use it.
SecurityContextHolderAwareRequestWrapper
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git: How to ignore all present untracked files?
...atus manual, correspond to the untracked files;
cut -c4- removes the first 3 characters of every line, which gives us just the relative path to the untracked file;
the | symbols are pipes, which pass the output of the previous command to the input of the following command;
the >> and > symb...
In a Git repository, how to properly rename a directory?
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edited May 23 '17 at 12:18
Community♦
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answered Jun 25 '12 at 5:22
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ADB not recognising Nexus 4 under Windows 7
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answered Dec 23 '12 at 8:11
BenBen
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JavaScript by reference vs. by value [duplicate]
...The object or primitive referenced by the original a is unchanged.
a = 3;
// Calling b.push changes its properties - it adds
// a new property b[b.length] with the value "foo".
// So the object referenced by b has been changed.
b.push("foo");
// The "first" property of argume...
Images can't contain alpha channels or transparencies
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get CSS rule's percentage value in jQuery
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answered Apr 13 '09 at 16:09
Adam LassekAdam Lassek
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sed or awk: delete n lines following a pattern
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dogbanedogbane
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IE8 issue with Twitter Bootstrap 3
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answered Jul 30 '13 at 21:13
Bass JobsenBass Jobsen
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