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Is it good practice to NULL a pointer after deleting it?
...d to achieve in practice. I prefer a masked double delete bug over UB.
Finally, a sidenote regarding managing object allocation, I suggest you take a look at std::unique_ptr for strict/singular ownership, std::shared_ptr for shared ownership, or another smart pointer implementation, depending on yo...
Given a DateTime object, how do I get an ISO 8601 date in string format?
...xt in a format that is only correct for local times. This can happen when calling DateTime.ToString using the 'z' format specifier, which will include a local time zone offset in the output."
– Tom Lianza
Nov 2 '10 at 4:59
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How to write a simple Html.DropDownListFor()?
...ublic class PageModel
{
public int MyColorId { get; set; }
}
And, finally, let's say that you have the following list of colors. They could come from a Linq query, from a static list, etc.:
public static IEnumerable<Color> Colors = new List<Color> {
new Color {
ColorI...
Why do python lists have pop() but not push()
Does anyone know why Python's list.append function is not called list.push given that there's already a list.pop that removes and returns the last element (that indexed at -1) and list.append semantic is consistent with that use?
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How to force a WPF binding to refresh?
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if you use mvvm and your itemssource is located in your vm. just call INotifyPropertyChanged for your collection property when you want to refresh.
OnPropertyChanged("YourCollectionProperty");
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Determine the number of lines within a text file
Is there an easy way to programmatically determine the number of lines within a text file?
11 Answers
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How to force GitHub Pages build?
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From GitHub support, 2014-06-07:
It's not currently possible to manually trigger a rebuild, without pushing a commit to the appropriate branch.
Edit:
As Andy pointed out in the comments, you can push an empty commit with the command:
git commit -m 'rebuild pages' --allow-empty
git push ...
Checking if a key exists in a JS object
... in obj.
– user1258361
May 15 at 20:32
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Editing screenshots in iTunes Connect after iOS app was approved
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I really don't understand this. The screenshots are quite important and sometimes you upload something that might have an error / issue. Why can we not just update our app's metadata without having to upload an entire new binar...
How to get distinct values for non-key column fields in Laravel?
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Question specifically asks Note that I am not fetching that column only, it is in conjunction with other column values
– Hirnhamster
Oct 23 '15 at 11:20
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