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How do I declare class-level properties in Objective-C?
Maybe this is obvious, but I don't know how to declare class properties in Objective-C.
10 Answers
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Removing item from vector, while in C++11 range 'for' loop?
I have a vector of IInventory*, and I am looping through the list using C++11 range for, to do stuff with each one.
12 Answ...
Date ticks and rotation in matplotlib
I am having an issue trying to get my date ticks rotated in matplotlib. A small sample program is below. If I try to rotate the ticks at the end, the ticks do not get rotated. If I try to rotate the ticks as shown under the comment 'crashes', then matplot lib crashes.
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
...n countries from all over the world. One type of data which must be stored is dates and times.
5 Answers
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How do I ignore the initial load when watching model changes in AngularJS?
... REST API (via $resource), I add a watch to 'fieldcontainer'. I am using this watch to detect if the page/entity is "dirty". Right now I'm making the save button bounce but really I want to make the save button invisible until the user dirties the model.
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CALayer with transparent hole in it
...and i need to create some kind of overlay (right side of the picture) to this view. This overlay should have some opacity, so the view bellow it is still partly visible.
Most importantly this overlay should have a circular hole in the middle of it so it doesn't overlay the center of the view (see pi...
How should I structure a Python package that contains Cython code
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I've done this myself now, in a Python package simplerandom (BitBucket repo - EDIT: now github) (I don't expect this to be a popular package, but it was a good chance to learn Cython).
This method relies on the fact that building a .pyx...
What is “missing” in the Visual Studio 2008 Express Editions?
What is "missing" in the Visual Studio 2008 Express Editions?
16 Answers
16
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What underlies this JavaScript idiom: var self = this?
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See this article on alistapart.com. (Ed: The article has been updated since originally linked)
self is being used to maintain a reference to the original this even as the context is changing. It's a technique often used in event h...
Pass a JavaScript function as parameter
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You just need to remove the parenthesis:
addContact(entityId, refreshContactList);
This then passes the function without executing it first.
Here is an example:
function addContact(id, refreshCallback) {
refreshCallback();
// You can also pass argum...