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Which is preferred: Nullable.HasValue or Nullable != null?
... what output it produced in labels:
int? val = null;
lbl_Val.Text = val.ToString(); //Produced an empty string.
lbl_ValVal.Text = val.Value.ToString(); //Produced a runtime error. ("Nullable object must have a value.")
lbl_ValEqNull.Text = (val == null).ToString(); //Produced "True" (without the qu...
Is there a 'box-shadow-color' property?
... display: inline-block;
background: white;
height: 100px;
width: 100px;
margin: 30px;
border-radius: 50%;
}
<div class="green"></div>
<div class="red"></div>
The bug mentioned in the comment below has since been fixed :)
...
Combining two expressions (Expression)
...t;(body, newParameter);
}
[TestMethod]
public void ExpressionText()
{
string text = "test";
Expression<Func<Coco, bool>> expr1 = p => p.Item1.Contains(text);
Expression<Func<Coco, bool>> expr2 = q => q.Item2.Contains(text);
Expression<Func<Coco, ...
getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
...alculate how far from the bottom or right, you would have to use jQuery's width and height methods.
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Comparing two collections for equality irrespective of the order of items in them
...t to compare two collections directly:
var comp = new MultiSetComparer<string>();
Console.WriteLine(comp.Equals(new[] {"a","b","c"}, new[] {"a","c","b"})); //true
Console.WriteLine(comp.Equals(new[] {"a","b","c"}, new[] {"a","b"})); //false
Finally, you can use your an equality comparer of ...
How to create a multi-tenant database with shared table structures?
...ibrary/Force.com_Multitenancy_WP_101508.pdf
They have 1 huge table w/ 500 string columns (Value0, Value1, ... Value500). Dates and Numbers are stored as strings in a format such that they can be converted to their native types at the database level. There are meta data tables that define the shap...
Automatic post-registration user authentication
...ny way to populate this variable in this login process? - I send the user (string) and password (string) as say the Reference: api.symfony.com/2.0/Symfony/Component/Security/Core/…
– unairoldan
May 28 '12 at 17:22
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Easiest way to rename a model using Django/South?
...rename_foo_to_bar --empty
(Update 2: try --auto instead of --empty to avoid the warning below. Thanks to @KFB for the tip.)
If you're using an older version of south, you'll need startmigration instead of schemamigration.
Then manually edit the migration file to look like this:
class Migration...
Declaring array of objects
...pr 1 '13 at 11:21
Frédéric HamidiFrédéric Hamidi
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How do you avoid over-populating the PATH Environment Variable in Windows?
...cessible through the command line, but now I come to the limit of the path string, so i can't add any more dir.
12 Answers
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