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Split output of command by columns using Bash?
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10 Answers
10
Active
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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...
Read a file in Node.js
... console.log('received data: ' + data);
response.writeHead(200, {'Content-Type': 'text/html'});
response.write(data);
response.end();
} else {
console.log(err);
}
});
Thanks to dc5.
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What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
...more classes that implements the interface java.sql.Driver.
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Any JDBC 4.0 drivers that are found in your class path are automatically loaded. (However, you must manually load any drivers prior to JDBC 4.0 with the method Class.forName.)
Further reading (read: questions this is a dup of)
What pu...
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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BAT file: Open new cmd window and execute a command in there
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answered Jul 9 '12 at 10:44
arossaross
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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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When should I make explicit use of the `this` pointer?
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edited Jun 14 '09 at 19:50
Bastien Léonard
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Call Activity method from adapter
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307
Yes you can.
In the adapter Add a new Field :
private Context mContext;
In the adapter Cons...