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Rails nested form with has_many :through, how to edit attributes of join model?
...rs_attributes is actually a zero-indexed Hash with String keys, and not an Array? Well, this is because the form field keys that are sent to the server look like this:
topic[name]
topic[linkers_attributes][0][is_active]
topic[linkers_attributes][0][article_attributes][title]
Creating the record ...
How can I calculate the difference between two dates?
... startDate) ?? Date()
dateRange.append(stringDate)
}
print("Resulting Array - \(dateRange)")
Swift 3
var date1 = Date(string: "2010-01-01 00:00:00 +0000")
var date2 = Date(string: "2010-02-03 00:00:00 +0000")
var secondsBetween: TimeInterval = date2.timeIntervalSince(date1)
var numberOfDays:...
How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?
...e="multiple">
elements, multiple s can be
selected by passing in an array.
The .val() method allows us to set
the value by passing in a function. As
of jQuery 1.4, the function is passed
two arguments, the current element's
index and its current value:
$('input:text.items').val(...
How do you run a SQL Server query from PowerShell?
...
This function will return the results of a query as an array of powershell objects so you can use them in filters and access columns easily:
function sql($sqlText, $database = "master", $server = ".")
{
$connection = new-object System.Data.SqlClient.SQLConnection("Data Sourc...
Tracking the script execution time in PHP
... of PHP 5.4.0, REQUEST_TIME_FLOAT is available in the $_SERVER superglobal array.
// It contains the timestamp of the start of the request with microsecond precision.
$time = microtime(true) - $_SERVER["REQUEST_TIME_FLOAT"];
echo "Did nothing in $time seconds\n";
?>
...
Python data structure sort list alphabetically
...lower' requires a 'str' object but received a 'unicode'. The result is an array of strings and implemented like this: results['keywords'] = sorted(keywords['keywords'], key=str.lower). Does anybody know how to resolve this?
– user1063287
Aug 17 '16 at 10:46
...
Deleting all records in a database table
... this will fetch every single BlogPost and load it into a Ruby array before destroying them.
– hdgarrood
Jan 18 '13 at 17:10
...
How can I check for NaN values?
... you're using NumPy, numpy.isnan is a superior choice, as it handles NumPy arrays. If you're not using NumPy, there's no benefit to taking a NumPy dependency and spending the time to load NumPy just for a NaN check (but if you're writing the kind of code that does NaN checks, it's likely you should ...
Javascript : Send JSON Object with Ajax?
...le of days to find anything that would work for me as was passing multiple arrays of ids and returning a blob. Turns out if using .NET CORE I'm using 2.1, you need to use [FromBody] and as can only use once you need to create a viewmodel to hold the data.
Wrap up content like below,
var params = {...
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
... it is common practice to depend on that; e.g. to index into a two-element array, where [0] holds the false case, [1] true.
– ToolmakerSteve
Jan 20 '14 at 21:45
...