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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
...th the entity grabbed from the database, I was getting referential errors, etc. I was using "context.Entry(score).State = System.Data.Entity.EntityState.Modified;" but this finally worked! Thank you!!
– firecape
Jan 21 '16 at 13:08
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How do you find all subclasses of a given class in Java?
...onstantly compiling your classes, knows about everything on the classpath, etc).
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filter for complete cases in data.frame using dplyr (case-wise deletion)
...f the filter function. That would allow a neat integration in dplyr chains etc.
– user2503795
Mar 12 '14 at 14:38
Chec...
Official way to ask jQuery wait for all images to load before executing something
... images referenced in the CSS, such as background-image, list-style-image, etc.
waitForImages jQuery plugin
GitHub repository.
Readme.
Production source.
Development source.
Example Usage
$('selector').waitForImages(function() {
alert('All images are loaded.');
});
Example on jsFiddle.
More d...
How to add default value for html ? [closed]
...ute, and only works for <input> tags, ie, <input type='text'>, etc. I don't know why the creators of HTML5 decided not to incorporate that, but that's the way it is for now.
The best method for inserting text into <textarea> elements has been outlined correctly here as: <textare...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
...c.rindex(/:\d+(:in `.*')?$/)
file = $`
if /\A\((.*)\)/ =~ file # eval, etc.
raise LoadError, "require_relative is called in #{$1}"
end
absolute = File.expand_path(relative_feature, File.dirname(file))
require absolute
end
It basically just uses what Theo answered, but so you can stil...
How to refer to relative paths of resources when working with a code repository
...roject refer to one of the non-Python resources in the project (CSV files, etc.)?
8 Answers
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Can Powershell Run Commands in Parallel?
...ms to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a script out and running those ( PowerShell Multithreading )
...
NSUserDefaults - How to tell if a key exists
...ow more consistent alongside the other built-in get methods (string, data, etc.). Just use the get methods in place of the old ones.
let AppDefaults = UserDefaults.standard
// assuming the key "Test" does not exist...
// old:
print(AppDefaults.integer(forKey: "Test")) // == 0
// new:
print(AppDef...
What is the correct file extension for GLSL shaders? [closed]
... to the program.
So the naming convention, like .vert/.frag, .vsdr/.fsdr, etc. are all valid as long as you know how to read it...
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