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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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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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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...
Verify version of rabbitmq
...
sudo rabbitmqctl status
and look for line that looks like that:
{rabbit,"RabbitMQ","2.6.1"},
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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...
How to serialize a lambda?
...unnable & Serializable)() -> System.out.println("Serializable!");
And the lambda automagically becomes serializable.
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Actual meaning of 'shell=True' in subprocess
...y cmd.exe.
So invoking the shell invokes a program of the user's choosing and is platform-dependent. Generally speaking, avoid invocations via the shell.
Invoking via the shell does allow you to expand environment variables and file globs according to the shell's usual mechanism. On POSIX system...
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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Can you pass parameters to an AngularJS controller on creation?
...al Answer:
I answered this to
Yes you absolutely can do so using ng-init and a simple init function.
Here is the example of it on plunker
HTML
<!DOCTYPE html>
<html ng-app="angularjs-starter">
<head lang="en">
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1....
Default profile in Spring 3.1
In my application I have beans annotated with @Profile("prod") and @Profile("demo") .
The first one, as you can guess :), is used on beans that connect to production DB and second one annotates beans that use some fake DB ( HashMap or whatever)- to make development faster.
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