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git index.lock File exists when I try to commit, but cannot delete the file
...Patrick Favre
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answered Jul 13 '12 at 8:01
Ryan SRyan S
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
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How do you delete a column by name in data.table?
...column foo from the data.table df3:
# Method 1 (and preferred as it takes 0.00s even on a 20GB data.table)
df3[,foo:=NULL]
df3[, c("foo","bar"):=NULL] # remove two columns
myVar = "foo"
df3[, (myVar):=NULL] # lookup myVar contents
# Method 2a -- A safe idiom for excluding (possibly multiple)
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What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
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edited Sep 18 '19 at 8:02
answered Feb 18 '11 at 8:58
Kr...
Setting table row height
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Sam Mussmann
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answered Jun 18 '11 at 18:56
refaelosrefaelos
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How are software license keys generated?
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jQuery: how to change title of document during .ready()?
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edited Sep 6 '13 at 7:02
cllpse
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answer...
Get underlined text with Markdown
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answered Jun 13 '10 at 23:41
nfmnfm
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Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
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answered Jun 10 '10 at 18:07
matt bmatt b
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