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How to dump a table to console?
... also be capable of handling really large tables due to the way it handles concatenation. In my personal usage of this function, it outputted 63k lines to file in about a second.
The output also keeps lua syntax and the script can easily be modified
for simple persistent storage by writing the outp...
How can I easily view the contents of a datatable or dataview in the immediate window
...ble.Columns.Count; i++)
{
sLogMessage = string.Concat(sLogMessage, string.Format(sColFormat, table.Columns[i].ToString()));
}
//Debug.Write(Environment.NewLine);
Log?.Debug(sLogMessage);
var sUnderScore = string.Empty;
...
Datatype for storing ip address in SQL Server
...
concat_ws('.',(IPAddr & 0xFF000000)>>24,(IPAddr & 0xFF0000)>>16,(IPAddr & 0xFF00)>>8, (IPAddr & 0xFF)) will convert a unsigned long containing an IP adress to a human readable form.
...
When to use lambda, when to use Proc.new?
...rted in Ruby 1.9 with the alternative lambda syntax (as noted by webmat):
concat = ->(a, b=2){ "#{a}#{b}" }
concat.call(4,5) # => "45"
concat.call(1) # => "12"
And Michiel de Mare (the OP) is incorrect about the Procs and lambda behaving the same with arity in Ruby 1.9. I have verified...
Split array into chunks
...', {
value: function(chunkSize) {
var array = this;
return [].concat.apply([],
array.map(function(elem, i) {
return i % chunkSize ? [] : [array.slice(i, i + chunkSize)];
})
);
}
});
console.log(
[1, 2, 3, 4, 5, 6, 7].chunk_inefficient(3)
)
// [[1,...
How can you sort an array without mutating the original array?
... this is really great.i think easier to understand than the concat and other approaches
– sktguha
Aug 31 at 20:02
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MySQL Select Date Equal to Today
...
You can use the CONCAT with CURDATE() to the entire time of the day and then filter by using the BETWEEN in WHERE condition:
SELECT users.id, DATE_FORMAT(users.signup_date, '%Y-%m-%d')
FROM users
WHERE (users.signup_date BETWEEN CONCAT(CUR...
What does “Splats” mean in the CoffeeScript tutorial?
...args, as it allows you to treat function parameters as list
for example:
concat = (args...) -> args.join(', ')
concat('hello', 'world') == 'hello, world'
concat('ready', 'set', 'go!') == 'ready, set, go!'
it works in assginments, too:
[first, rest...] = [1, 2, 3, 4]
first == 1
rest == [2, 3,...
Swapping column values in MySQL
...-+
3 rows in set (0.00 sec)
mysql> update swapper set
-> foo = concat(foo, "###", bar),
-> bar = replace(foo, concat("###", bar), ""),
-> foo = replace(foo, concat(bar, "###"), "");
Query OK, 3 rows affected (0.00 sec)
Rows matched: 3 Changed: 3 Warnings: 0
mysql> se...
JavaScript: How to join / combine two arrays to concatenate into one array? [duplicate]
...
var a = ['a','b','c'];
var b = ['d','e','f'];
var c = a.concat(b); //c is now an an array with: ['a','b','c','d','e','f']
console.log( c[3] ); //c[3] will be 'd'
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