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Razor View Engine : An expression tree may not contain a dynamic operation
...s was my problem. If you're not watching carefully, Visual Studio tends to convert what you're typing into the capital "M". It's really irritating.
– RobbieE
Jan 24 '17 at 12:43
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Incrementing a date in JavaScript
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The easiest way is to convert to milliseconds and add 1000*60*60*24 milliseconds e.g.:
var tomorrow = new Date(today.getTime()+1000*60*60*24);
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Generate array of all letters and digits
...1.8 and 1.9
or
(0...36).map{ |i| i.to_s 36 }
(the Integer#to_s method converts a number to a string representing it in a desired numeral system)
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What is Mocking?
...objects. This is useful if the real
objects are impractical to incorporate into the unit test.
In short, mocking is creating objects that simulate the behavior of
real objects.
At times you may want to distinguish between mocking as opposed to stubbing. There may be some disagreement about this sub...
Database Structure for Tree Data Structure
...t:
https://blogs.msdn.microsoft.com/mvpawardprogram/2012/06/25/hierarchies-convert-adjacency-list-to-nested-sets
There are other models as well, including materialized path and nested sets:
http://communities.bmc.com/communities/docs/DOC-9902
Joe Celko has written a book on this subject, which is ...
public static const in TypeScript
...are two options
Make individual fields "final"
The following decorator converts both, annotated static and non-static fields to "getter-only-properties".
Note: If an instance-variable with no initial value is annotated @final, then the first assigned value (no matter when) will be the final one...
Write to .txt file?
How can I write a little piece of text into a .txt file?
I've been Googling for over 3-4 hours, but can't find out how to do it.
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Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
...iterator();
// Zipping looses DISTINCT and SORTED characteristics
int characteristics = aSpliterator.characteristics() & bSpliterator.characteristics() &
~(Spliterator.DISTINCT | Spliterator.SORTED);
long zipSize = ((characteristics & Spliterator.SIZED) != 0)
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What is the Swift equivalent of respondsToSelector?
... func work() { }
func eat(food: AnyObject) { }
func sleep(hours: Int, minutes: Int) { }
}
let worker = Worker()
let canWork = worker.respondsToSelector(Selector("work")) // true
let canEat = worker.respondsToSelector(Selector("eat:")) // true
let canSleep = worker.respondsToSelector...
Recreating a Dictionary from an IEnumerable
...the callers require the result of the method to be a dictionary. How can I convert the IEnumerable<KeyValuePair<string, ArrayList>> into a Dictionary<string, ArrayList> so that I can use TryGetValue ?
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