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For-each over an array in JavaScript
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If the length of the array won't change during the loop, and it's in performance-sensitive code (unlikely), a slightly more complicated version grabbing the length up front might be a tiny bit faster:
var index, len;
var a = ["a", "b", "c"];
for (index = 0, len = a.length; index < len; ...
How to reset radiobuttons in jQuery so that none is checked
...prop('checked', false);
but if you are using 1.6.1+ you can use the first form (see note 2 below).
Note 1: it is important that the second argument be false and not "false" since "false" is not a falsy value. i.e.
if ("false") {
alert("Truthy value. You will see an alert");
}
Note 2: As of jQu...
What's the @ in front of a string in C#?
...have to double up braces {{ if you want to use a regular brace in a string.Format call.
– Dave Cousineau
Mar 11 '16 at 16:40
4
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Android WebView: handling orientation changes
The issue is the performance following rotation. The WebView has to reload the page, which can be a bit tedious.
20 Answers...
What is aspect-oriented programming?
...cate for completeness (Buzzer):
Class and method attributes in .NET are a form of aspect-oriented programming. You decorate your classes/methods with attributes. Behind the scenes this adds code to your class/method that performs the particular functions of the attribute. For example, marking a cla...
When should I use Kruskal as opposed to Prim (and vice versa)?
...e got a really dense graph with many more edges than vertices. Kruskal performs better in typical situations (sparse graphs) because it uses simpler data structures.
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Can a CSV file have a comment?
Is there any official way to allow a CSV formatted file to allow comments, either on its own line OR at the end of a line?
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How can I multiply and divide using only bit shifting and adding?
...o implement some low-level logic, use other binary operations and use some form of iteration.
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Should enums in C# have their own file? [closed]
...s in source control systems without diffing." A fear of diffing should not form the foundation of your design decisions. I'd even argue that anyone who doesn't know how to properly diff a file in source control isn't really using source control at all.
– Dan Bechard
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Entity Framework. Delete all rows in table
...or some similar situation.
Either
The amount of data is small or
The performance doesn't matter
Simply call:
VotingContext.Votes.RemoveRange(VotingContext.Votes);
Assuming this context:
public class VotingContext : DbContext
{
public DbSet<Vote> Votes{get;set;}
public DbSe...