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drag drop files into standard html file input
These days we can drag & drop files into a special container and upload them with XHR 2. Many at a time. With live progress bars etc. Very cool stuff. Example here.
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How do I remove documents using Node.js Mongoose?
....5.3 - remove() is now deprecated. Use deleteOne(), deleteMany() or findOneAndDelete() instead.
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What's the difference between jQuery's replaceWith() and html()?
What's the difference between jQuery's replaceWith() and html() functions when HTML is being passed in as the parameter?
5 ...
How to return an empty ActiveRecord relation?
If I have a scope with a lambda and it takes an argument, depending on the value of the argument, I might know that there will not be any matches, but I still want to return a relation, not an empty array:
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Do AJAX requests retain PHP Session info?
If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ?
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catch all unhandled exceptions in ASP.NET Web Api
...ntext)
{
Trace.TraceError(context.ExceptionContext.Exception.ToString());
}
}
Then register with your application's HttpConfiguration, inside a config callback like so:
config.Services.Add(typeof(IExceptionLogger), new TraceExceptionLogger());
or directly:
GlobalConfiguration.C...
How do you do a deep copy of an object in .NET? [duplicate]
... bool IsPrimitive(this Type type)
{
if (type == typeof(String)) return true;
return (type.IsValueType & type.IsPrimitive);
}
public static Object Copy(this Object originalObject)
{
return InternalCopy(originalObject, new Dictio...
Pipe subprocess standard output to a variable [duplicate]
...ll which can be dangerous if you don't control the contents of the command string.
>>> proc = subprocess.Popen(['cdrecord', '--help'], stderr=subprocess.PIPE)
>>> output = proc.stderr.read()
>>> print output
Usage: wodim [options] track1...trackn
Options:
-version ...
What is the difference between dynamic and static polymorphism in Java?
...nt a,int b,int c){System.out.println(a+b+c);}
public static void main(String args[]) {
Calculation obj=new Calculation();
obj.sum(10,10,10); // 30
obj.sum(20,20); //40
}
}
overriding example:
class Animal {
public void move(){
System.out.println("Anim...
What are the most common SQL anti-patterns? [closed]
...+
City + ', ' + State + ' ' + Zip as "Address",
'XXX-XX-' + Substring(
Convert(varchar(9), SSN), 6, 4) as "Social Security #"
FROM Users
Normally, programmers do this because they intend to bind their dataset directly to a grid, and its just convenient to have SQL Server format...