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How do I catch an Ajax query post error?
I would like to catch the error and show the appropriate message if the Ajax request fails.
8 Answers
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Delete a single record from Entity Framework?
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@IanWarburton The 2nd and 3rd line (Attach and Remove)
– Simon Belanger
May 25 '16 at 11:22
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Verify version of rabbitmq
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sudo rabbitmqctl status
and look for line that looks like that:
{rabbit,"RabbitMQ","2.6.1"},
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error: request for member '..' in '..' which is of non-class type
I have a class with two constructors, one that takes no arguments and one that takes one argument.
9 Answers
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How do I copy to the clipboard in JavaScript?
...focused portion available in Chrome 66 (March 2018)
Access is asynchronous and uses JavaScript Promises, can be written so security user prompts (if displayed) don't interrupt the JavaScript in page.
Text can be copied to the clipboard directly from a variable.
Only supported on pages served over HT...
Instantiating object of type parameter
...ngBuilder::new);
Alternatively, you can provide a Class<T> object, and then use reflection.
class MyClass<T> {
private final Constructor<? extends T> ctor;
private T field;
MyClass(Class<? extends T> impl) throws NoSuchMethodException {
this.ctor = impl.getCo...
Extract traceback info from an exception object
...__ attribute that contains the traceback. This attribute is also writable, and can be conveniently set using the with_traceback method of exceptions:
raise Exception("foo occurred").with_traceback(tracebackobj)
These features are minimally described as part of the raise documentation.
All credi...
Datatable vs Dataset
...able objects, you can return multiple distinct sets of data into a single, and therefore more manageable, object.
Performance-wise, you're more likely to get inefficiency from unoptimized queries than from the "wrong" choice of .NET construct. At least, that's been my experience.
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Replace comma with newline in sed on MacOS?
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i was looking for replacing '.' period , and this was the solution i'm looking for :)
– Jonah
Nov 24 '15 at 17:32
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How to serialize a lambda?
...unnable & Serializable)() -> System.out.println("Serializable!");
And the lambda automagically becomes serializable.
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