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TSQL - Cast string to integer or return default value
...ARE @Test TABLE(Value nvarchar(50)) -- Result
INSERT INTO @Test SELECT '1234' -- 1234
INSERT INTO @Test SELECT '1,234' -- 1234
INSERT INTO @Test SELECT '1234.0' -- 1234
INSERT INTO @Test SELECT '-1234' -- -1234
INSERT INTO @Test SELECT '$1234' -- ...
What is the difference between String.slice and String.substring?
... This is incorrect, substr does handle negative parameters. '0123456789'.substr(-3, 2) -> '78'
– Neil Fraser
May 25 '17 at 15:22
...
How can I pass a list as a command-line argument with argparse?
...'<Required> Set flag', required=True)
# Use like:
# python arg.py -l 1234 2345 3456 4567
nargs='+' takes 1 or more arguments, nargs='*' takes zero or more.
append
parser.add_argument('-l','--list', action='append', help='<Required> Set flag', required=True)
# Use like:
# python arg.p...
.NET String.Format() to add commas in thousands place for a number
...
String.Format("{0:n}", 1234); // Output: 1,234.00
String.Format("{0:n0}", 9876); // No digits after the decimal point. Output: 9,876
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How to output numbers with leading zeros in JavaScript [duplicate]
...); // "0005"
console.log(zeroPad(5, 6)); // "000005"
console.log(zeroPad(1234, 2)); // "1234"
Another ES5 approach:
function zeroPad(num, places) {
var zero = places - num.toString().length + 1;
return Array(+(zero > 0 && zero)).join("0") + num;
}
zeroPad(5, 2); // "05"
zer...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
...
if (close(fd) != 0) {
perror_and_exit();
}
return 0;
}
data:
1234
1234
1234
1234
1234
Use gcc code.c to produce a.out. Run ./a.out. When you see the following output:
line: 1234
Use rm data to delete data. But ./a.out will continue to run without errors and produce the following w...
How to print a number with commas as thousands separators in JavaScript
...ith commas as thousands separators. For example, I want to show the number 1234567 as "1,234,567". How would I go about doing this?
...
How do you use an identity file with rsync?
...
eval $(ssh-agent) # Create agent and environment variables
ssh-add ~/.ssh/1234-identity
ssh-agent is a user daemon which holds unencrypted ssh keys in memory. ssh finds it based on environment variables which ssh-agent outputs when run. Using eval to evaluate this output creates the environment...
What are the differences between a multidimensional array and an array of arrays in C#?
...ack 8
IL_0000: ldarg.0
IL_0001: ldarg.1
IL_0002: ldelem.ref
IL_0003: ldarg.2
IL_0004: ldarg.3
IL_0005: stelem.i4
IL_0006: ret
} // end of method Program::SetElementAt
.method private hidebysig static void SetElementAt(int32[0...,0...] 'array',
...
How to checkout a specific Subversion revision from the command line?
...
Either
svn checkout url://repository/path@1234
or
svn checkout -r 1234 url://repository/path
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