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How do I extend a class with c# extension methods?
...od like this:
static class DateTimeHelper
{
public static DateTime Tomorrow
{
get { return DateTime.Now.AddDays(1); }
}
}
Which you would use like this:
DateTime tomorrow = DateTimeHelper.Tomorrow;
s...
Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations
I'm new to Entity Framework. I am trying to setup an MVC Application what uses EF 6. I am using Code First Migrations. I am using Areas in the app and would like to have different DbContexts in each area to break it up. I know EF 6 has ContextKey, but I can't find complete information on how to use ...
Relatively position an element without it taking up space in document flow
...ero-width, zero-height, relatively positioned element, essentially solely for the purpose of creating a reference point for position, and an absolutely positioned element within that:
<div style="position: relative; width: 0; height: 0">
<div style="position: absolute; left: 100px; top...
How to find out if a file exists in C# / .NET?
I would like to test a string containing a path to a file for existence of that file (something like the -e test in Perl or the os.path.exists() in Python) in C#.
...
Programmatically stop execution of python script? [duplicate]
...
sys.exit() will do exactly what you want.
import sys
sys.exit("Error message")
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Transition of background-color
I'm trying to make a transition effect with background-color when hovering menu items, but it does not work. Here is my CSS code:
...
JUnit assertEquals(double expected, double actual, double epsilon) [duplicate]
...
Epsilon is your "fuzz factor," since doubles may not be exactly equal. Epsilon lets you describe how close they have to be.
If you were expecting 3.14159 but would take anywhere from 3.14059 to 3.14259 (that is, within 0.001), then you should write s...
Adding attribute in jQuery
...butes using attr like so:
$('#someid').attr('name', 'value');
However, for DOM properties like checked, disabled and readonly, the proper way to do this (as of JQuery 1.6) is to use prop.
$('#someid').prop('disabled', true);
...
How can I generate random number in specific range in Android? [duplicate]
...
it won't work for negative numbers
– Kirill Kulakov
Jun 7 '13 at 21:21
6
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How to remove a key from HashMap while iterating over it? [duplicate]
...
Try:
Iterator<Map.Entry<String,String>> iter = testMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String,String> entry = iter.next();
if("Sample".equalsIgnoreCase(entry.getValue())){
iter...