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Eclipse “Error: Could not find or load main class”
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If you create a java class with public static void main(String[] args), Eclipse will run that main method for you by right clicking on the file itself, or on the file in the project explorer, then choosing:
"Run As" -> "Java Application."
Once you do this, Eclipse stores ...
Why not inherit from List?
...X>> { ... }. Now it's as easy as doing var list = new MyList<int, string>();.
CA1002: Do not expose generic lists: Basically, even if you plan to use this app as the sole developer, it's worthwhile to develop with good coding practices, so they become instilled into you and second nature...
What is the equivalent of “none” in django templates?
...all are available within template tags and filters. None, False, the empty string ('', "", """""") and empty lists/tuples all evaluate to False when evaluated by if, so you can easily do
{% if profile.user.first_name == None %}
{% if not profile.user.first_name %}
A hint: @fabiocerqueira is right...
Why remove unused using directives in C#?
...censeTester
{
public static class Example
{
private static string temporaryPath = Path.GetTempFileName();
}
}
This code doesn't compile because both the namespaces System.IO and System.Windows.Shapes each contain a class called Path. We could fix it by using the full class pat...
Is it possible to set UIView border properties from interface builder?
...use the layer wants a CGColor instead of a UIColor.
You might have to use Strings instead of numbers, but it works!
layer.cornerRadius
layer.borderWidth
layer.borderColor
Update:
layer.masksToBounds = true
Update:
select appropriate Type for Keypath:
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How do I render a partial of a different format in Rails?
...de of this approach is that localizations will look for foo.baz.html.[your_string] instead of foo.baz.[your_string]. zgchurc's answer is a better solution.
– mbillard
Jul 23 '12 at 13:44
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Create a date from day month and year with T-SQL
...yyyymmdd format works regardless of those settings. "A six- or eight-digit string is always interpreted as ymd." docs.microsoft.com/en-us/sql/t-sql/data-types/… See this answer: stackoverflow.com/a/46064419/2266979
– Riley Major
Sep 7 '17 at 16:16
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Objective-C: Calling selectors with multiple arguments
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Your method signature is:
- (void) myTest:(NSString *)
withAString happens to be the parameter (the name is misleading, it looks like it is part of the selector's signature).
If you call the function in this manner:
[self performSelector:@selector(myTest:) withObjec...
How to check if a variable is an integer in JavaScript?
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That depends, do you also want to cast strings as potential integers as well?
This will do:
function isInt(value) {
return !isNaN(value) &&
parseInt(Number(value)) == value &&
!isNaN(parseInt(value, 10));
}
With Bitwise op...
T-SQL CASE Clause: How to specify WHEN NULL
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this will work as long as the default setting for concatenation with null strings is set:
SET CONCAT_NULL_YIELDS_NULL ON
this shouldn't be a concern since the OFF mode is going away in future versions of SQl Server
shar...