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Update MongoDB field using value of another field
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244
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store and retrieve a class object in shared preference
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324
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Multiple Models in a single django ModelForm?
...uld be a straightforward way to make a class based view capable of showing more than one form and a template that then combines them into the same <form> element?
– jozxyqk
May 21 '15 at 11:47
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How to prevent the activity from loading twice on pressing the button
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How to do constructor chaining in C#
...to set the others? This way you aren't coding default values (0 and "") in more than one place (less chance for an error). For example: public Foo(int id) : this () { this.id = id; }? Alternatively, I was also considering: public Foo(int id) : this ("") { this.id = id; }. Just looking for the best l...
Is there a splice method for strings?
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Opposite of String.Split with separators (.net)
... = " ";
string joined = String.Join(separator, array); // "a b c"
Though more verbose, you can also use a StringBuilder approach:
StringBuilder builder = new StringBuilder();
if (array.Length > 0)
{
builder.Append(array[0]);
}
for (var i = 1; i < array.Length; ++i)
{
builder.Append...
Objective-C: difference between id and void *
...e warning is obviously annoying so id is better. Of coarse you can then be more specific by for example saying id<MKAnnotation> ,which in this case means whatever the object, it must conform to the MKAnnotation protocol.
– pnizzle
May 4 '17 at 7:09
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How to use UTF-8 in resource properties with ResourceBundle
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