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How to remove array element in mongodb?
...ion.update(
{ _id: id },
{ $pull: { 'contact.phone': { number: '+1786543589455' } } }
);
It will find document with the given _id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value in the array (set it to null), but not to remove it complet...
SQL Logic Operator Precedence: And and Or
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edited May 8 '19 at 13:36
ludovico
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answered Aug 6 '09 at 20:1...
How to get string width on Android?
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203
You can use the getTextBounds(String text, int start, int end, Rect bounds) method of a Paint ob...
Superiority of unnamed namespace over static?
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134
You're basically referring to the section §7.3.1.1/2 from the C++03 Standard,
The use of t...
Handling a Menu Item Click Event - Android
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302
simple code for creating menu..
@Override
public boolean onCreateOptionsMenu(Menu menu) {
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Put content in HttpResponseMessage object?
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answered Sep 3 '12 at 1:04
Jim O'NeilJim O'Neil
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How can I access “static” class variables within class methods in Python?
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edited Dec 2 '12 at 7:34
Pavel Strakhov
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an...
Git: How to edit/reword a merge commit's message?
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Mark LongairMark Longair
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Django Admin - Disable the 'Add' action for a specific model
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346
It is easy, just overload has_add_permission method in your Admin class like so:
class MyAdmi...
Remove textarea inner shadow on Mobile Safari (iPhone)
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341
By adding this css style:
-webkit-appearance: none;
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