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ViewDidAppear is not called when opening app from background
... ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I close my app and than again I open my app but the value doesn't change because viewDidLoad , viewDidAppear and viewWillAppear nothing get called. How can I call when I open my app. Do I have to do ...
Retrieve list of tasks in a queue in Celery
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EDIT: See other answers for getting a list of tasks in the queue.
You should look here:
Celery Guide - Inspecting Workers
Basically this:
from celery.app.control import Inspect
# Inspect all nodes.
i = Inspect()
# Show the items that have an ETA...
How do you declare an interface in C++?
...the pure virtual method list of your interface by adding a virtual destructor. This allows you to pass pointer ownership to another party without exposing the concrete derived class. The destructor doesn't have to do anything, because the interface doesn't have any concrete members. It might seem co...
FormData.append(“key”, “value”) is not working
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New in Chrome 50+ and Firefox 39+ (resp. 44+):
formdata.entries() (combine with Array.from() for debugability)
formdata.get(key)
and more very useful methods
Original answer:
What I usually do to 'debug' a FormData object, is just send it (anywhere!) and check the brows...
Bootstrap Modal immediately disappearing
I'm working on a website using bootstrap.
27 Answers
27
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Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
We have a Git repository with over 400 commits, the first couple dozen of which were a lot of trial-and-error. We want to clean up these commits by squashing many down into a single commit. Naturally, git-rebase seems the way to go. My problem is that it ends up with merge conflicts, and these confl...
Java generics - why is “extends T” allowed but not “implements T”?
I wonder if there is a special reason in Java for using always " extends " rather than " implements " for defining bounds of typeparameters.
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How do I instantiate a Queue object in java?
...ue, ConcurrentLinkedQueue, DelayQueue, LinkedBlockingQueue, LinkedList, PriorityBlockingQueue, PriorityQueue, or SynchronousQueue.
An alternative is to write your own class which implements the necessary Queue interface. It is not needed except in those rare cases where you wish to do something sp...
Uninstall Node.JS using Linux command line?
...y, then you can see what it adds and then you will be able to make a list for npm similar to the above list I made for node.
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Stop UIWebView from “bouncing” vertically?
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for (id subview in webView.subviews)
if ([[subview class] isSubclassOfClass: [UIScrollView class]])
((UIScrollView *)subview).bounces = NO;
...seems to work fine.
It'll be accepted to App Store as well.
Update: in iO...