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How to check whether an object is a date?
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Out of interest do you know the reason for this failing when passing across frame boundaries?
– Simon Lieschke
Apr 12 '10 at 6:03
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How to watch for array changes?
... a catch-all sounds appealing, just replace myArray with Array.prototype.
Now, that's just one method and there are lots of ways to change array content. We probably need something more comprehensive...
2. Create a custom observable array
Rather than overriding methods, you could create your own ...
How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?
...t model. Everything works via MVC which is great (kudos to Microsoft!) but now I want it NOT to work because I need to have data model constraints.
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Abort Ajax requests using jQuery
...ect (jQuery API documentation).
UPDATE 2:
As of jQuery 3, the ajax method now returns a promise with extra methods (like abort), so the above code still works, though the object being returned is not an xhr any more. See the 3.0 blog here.
UPDATE 3: xhr.abort() still works on jQuery 3.x. Don't as...
Importing CommonCrypto in a Swift framework
...rch paths defined at the project or xcconfig level.
That's it, you should now be able to import CommonCrypto
Update for Xcode 10
Xcode 10 now ships with a CommonCrypto module map making this workaround unnecessary. If you would like to support both Xcode 9 and 10 you can do a check in the Run Scr...
Assert a function/method was not called using Mock
...led attribute, but if your assertion fails, the next thing you'll want to know is something about the unexpected call, so you may as well arrange for that information to be displayed from the start. Using unittest, you can check the contents of call_args_list instead:
self.assertItemsEqual(my_var.c...
What is the difference between “instantiated” and “initialized”?
...new Object was instantiated because we have created a new instance of it.
Now I believe that VB.NET makes this a lot more confusing than C# because it is not clear that an assignment is taking place in the code above. In C# it is much clearer that there is both an instantiation of an instance and ...
CKEditor instance already exists
...laying but the other two where, I added the above code and all teh editors now appear
– Craig Angus
Apr 29 '10 at 15:56
18
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What exactly is Python's file.flush() doing?
...instructed.
Addendum in 2018.
Note that disks with cache mechanisms is now much more common than back in 2013, so now there are even more levels of caching and buffers involved. I assume these buffers will be handled by the sync/flush calls as well, but I don't really know.
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What do the return values of node.js process.memoryUsage() stand for?
...dicated to storing reference types like objects, strings and closures.
Now it is easy to answer the question:
rss: Resident Set Size
heapTotal: Total Size of the Heap
heapUsed: Heap actually Used
Ref: http://apmblog.dynatrace.com/2015/11/04/understanding-garbage-collection-and-hunting-memory...