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Multiline string literal in C#
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edited Apr 24 '19 at 10:17
Max Yankov
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answ...
Split output of command by columns using Bash?
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10 Answers
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How to check if a string contains only digits in Java [duplicate]
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Try
String regex = "[0-9]+";
or
String regex = "\\d+";
As per Java regular expressions, the + means "one or more times" and \d means "a digit".
Note: the "double backslash" is an escape sequence to get a single backslash - therefore, \\d i...
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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How to declare a variable in MySQL?
...lize a variable using SET or SELECT statement:
SET @start = 1, @finish = 10;
or
SELECT @start := 1, @finish := 10;
SELECT * FROM places WHERE place BETWEEN @start AND @finish;
User variables can be assigned a value from a limited set of data
types: integer, decimal, floating-point, binar...
Are C++ enums signed or unsigned?
... an input by checking that it is = your min value (assuming you started at 0 and incremented by 1)?
9 Answers
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How can I change the file type association of an existing file in WebStorm?
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10 Answers
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Install gitk on Mac
...own formula: https://github.com/Homebrew/homebrew-core/commit/dfa3ccf1e7d3901e371b5140b935839ba9d8b706)
Run the following commands at the terminal:
brew update
brew install git
brew install git-gui
If you get an error indicating it could not link git, then you may need to change permissions/owne...
How to convert xml into array in php?
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Hearaman
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answered Jul 5 '11 at 6:59
Sam DufelSam Dufel
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How to call a function from a string stored in a variable?
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answered Jun 17 '09 at 8:50
knittlknittl
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