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What is the best method of handling currency/money?
... price calculation.
If you insist on using integers, you will have to manually convert to and from BigDecimals everywhere, which will probably just become a pain.
As pointed out by mcl, to print the price, use:
number_to_currency(price, :unit => "€")
#=> €1,234.01
...
Are global variables in PHP considered bad practice? If so, why?
In my small PHP projects I usually go the procedural way. I generally have a variable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; .
...
How to Implement Custom Table View Section Headers and Footers with Storyboard
...ntifier instead of dequeueReusableCellWithIdentifier.
So in viewDidLoad, call either registerNib:forHeaderFooterViewReuseIdentifier: or registerClass:forHeaderFooterViewReuseIdentifier:. Then in viewForHeaderInSection, call tableView:dequeueReusableHeaderFooterViewWithIdentifier:. You do not use a ...
How to check whether a file or directory exists?
...iven file or directory exists
func exists(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil { return true, nil }
if os.IsNotExist(err) { return false, nil }
return false, err
}
Edited to add error handling.
...
How do I make a checkbox required on an ASP.NET form?
...ion for client side validation (using jQuery)...
function CheckBoxRequired_ClientValidate(sender, e)
{
e.IsValid = jQuery(".AcceptedAgreement input:checkbox").is(':checked');
}
code-behind for server side validation...
protected void CheckBoxRequired_ServerValidate(object sender, ServerValid...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...nal web application at work. In IE10 the requests work fine, but in Chrome all the AJAX requests (which there are many) are sent using OPTIONS instead of whatever defined method I give it. Technically my requests are "cross domain." The site is served on localhost:6120 and the service I'm making AJA...
UICollectionView inside a UITableViewCell — dynamic height?
...mic number of items, resulting in a height which must be calculated dynamically as well. However, I am running into problems trying to calculate the height of the embedded UICollectionView .
...
Convert Python dictionary to JSON array
...
If you are fine with non-printable symbols in your json, then add ensure_ascii=False to dumps call.
>>> json.dumps(your_data, ensure_ascii=False)
If ensure_ascii is false, then the return value will be a
unicode instance subject to normal Python str to unicode
coercion rules in...
Virtual member call in a constructor
I'm getting a warning from ReSharper about a call to a virtual member from my objects constructor.
18 Answers
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Better way to get type of a Javascript variable?
...ew method 'toType' -
var toType = function(obj) {
return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
}
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