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Extending from two classes
...terface Foo and Bar both had the same functions, you would need to have an order of precedence. Explicitly extending your class would force you to make those decisions up front. Still, Excellent option :) +1
– The Lazy Coder
May 27 '17 at 20:36
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
...ry useful for me to create a custom exception and overwrite SaveChanges in order to throw this new exception.
The custom exception type looks like this:
public class FormattedDbEntityValidationException : Exception
{
public FormattedDbEntityValidationException(DbEntityValidationException inner...
Android Endless List
... to 0, for instance, the user has to scroll to the very end of the list in order to load more items.
(optional) As you can see, the "load-more check" is only called when the user stops scrolling. To improve usability, you may inflate and add a loading indicator to the end of the list via listView.ad...
When does System.getProperty(“java.io.tmpdir”) return “c:\temp”
...ction checks for the existence of environment
variables in the following order and uses the first path found:
The path specified by the TMP environment variable.
The path specified by the TEMP environment variable.
The path specified by the USERPROFILE environment variable.
The Windo...
Copy values from one column to another in the same table
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BEWARE : Order of update columns is critical
GOOD: What I want saves existing Value of Status to PrevStatus
UPDATE Collections SET PrevStatus=Status, Status=44 WHERE ID=1487496;
BAD: Status & PrevStatus both end up as 44
UP...
Ruby Hash to array of values
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Are the keys printed in the exact order which they occur ?
– stack1
Jun 24 '15 at 22:18
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How can I add a class attribute to an HTML element generated by MVC's HTML Helpers?
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In order to create an anonymous type (or any type) with a property that has a reserved keyword as its name in C#, you can prepend the property name with an at sign, @:
Html.BeginForm("Foo", "Bar", FormMethod.Post, new { @class ...
Reading a delimited string into an array in Bash
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In order to convert a string into an array, please use
arr=($line)
or
read -a arr <<< $line
It is crucial not to use quotes since this does the trick.
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How to calculate moving average without keeping the count and data-total?
...t that it's not actually a rolling average, your stated value is off by an order of magnitude. With avg initialized to 0, you end up with 3.36 after 5 5s, and 4.46 after 10: cpp.sh/2ryql For long averages, this is certainly a useful approximation.
– cincodenada
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Maintain model of scope when changing between views in AngularJS
...roblem is the same as the question, the controller always refresh data, in order to avoid this behavior I did what people suggest above and I created a service for that purpose, then pass it to the controller as follows:
app.factory('otisService', function($http){
var service = {
...