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Update MongoDB field using value of another field
In MongoDB, is it possible to update the value of a field using the value from another field? The equivalent SQL would be something like:
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Formula px to dp, dp to px android
...olved my problem by using the following formulas. May other people benefit from it.
dp to px:
displayMetrics = context.getResources().getDisplayMetrics();
return (int)((dp * displayMetrics.density) + 0.5);
px to dp:
displayMetrics = context.getResources().getDisplayMetrics();
return (int) ((px/...
Best way to represent a Grid or Table in AngularJS with Bootstrap 3? [closed]
...ble.
Don't miss Smart Table!!!
I have no relation to Smart Table, except from using it myself.
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How can I create an object based on an interface file definition in TypeScript?
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Thanks. I was hoping to get away from having to define all of the modal contents initially. Would it be easier if instead of an interface I defined Modal as a class with properties and then used new and a constructor to set up all of the initial values?
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switch / pattern matching idea
...tern match covers every possible case available, fully described, warnings from the compiler if you do not. While you can rightfully argue that the default case does this, it also is often in practice a run-time exception.
– VoronoiPotato
Aug 6 '19 at 15:36
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Lists in ConfigParser
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There is nothing stopping you from packing the list into a delimited string and then unpacking it once you get the string from the config. If you did it this way your config section would look like:
[Section 3]
barList=item1,item2
It's not pretty but ...
WWW or not WWW, what to choose as primary site name? [closed]
From technical perspective the only issue is traffic and incoming links (one of them should redirect to another).
14 Answe...
Best way to create enum of strings?
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Custom String Values for Enum
from http://javahowto.blogspot.com/2006/10/custom-string-values-for-enum.html
The default string value for java enum is its face value, or the element name. However, you can customize the string value by overriding toString(...
Creating virtual directories in IIS express
...ion. Ex: iisexpress /site:WebSiteWithVirtualDirectory - run the first app from the path "C:\temp\website1". How can i run my the 2nd app that contains the path "d:\temp\SubFolderApp"
– Velu
Aug 29 '12 at 12:00
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Is there a performance impact when calling ToList()?
...nsion method Enumerable.ToList() will construct a new List<T> object from the IEnumerable<T> source collection which of course has a performance impact.
However, understanding List<T> may help you determine if the performance impact is significant.
List<T> uses an array (T[...