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When to choose checked and unchecked exceptions
...cal. It just means that we can foresee this error occurring ahead of time (compared with programming errors which cannot be predicted ahead of time). Unpreventable refers to the fact that there is nothing that the programmer can do to prevent the user or other applications from deleting a file betwe...
What Makes a Good Unit Test? [closed]
...u are writing lots of automated tests and that you also have run into some common pitfalls when unit testing.
18 Answers
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Please explain some of Paul Graham's points on Lisp
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Matt's explanation is perfectly fine -- and he takes a shot at a comparison to C and Java, which I won't do -- but for some reason I really enjoy discussing this very topic once in a while, so -- here's my shot at an answer.
On points (3) and (4):
Points (3) and (4) on your list seem the m...
When is JavaScript synchronous?
...al that's pretty good at explaining the basics of async here: net.tutsplus.com/tutorials/javascript-ajax/…
– RobW
Apr 27 '13 at 4:30
26
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Adding a Method to an Existing Object Instance
...tribute themselves):
>>> a.fooFighters()
fooFighters
The problem comes when you want to attach a method to a single instance:
>>> def barFighters( self ):
... print "barFighters"
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>>> a.barFighters = barFighters
>>> a.barFighters()
Traceback (most recent c...
No ConcurrentList in .Net 4.0?
...aster. Basically, adding to a List<T> is lightning fast already; the complexity of the computational steps involved is miniscule (increment an index and assign to an element in an array; that's really it). You would need a ton of concurrent writes to see any sort of lock contention on this; an...
Explain the use of a bit vector for determining if all characters are unique
... here. @Dejel Here's the java data structure that you can use: docs.oracle.com/javase/7/docs/api/java/util/BitSet.html. Hopefully this helps someone traveling through the intertubes.
– nattyddubbs
Jan 20 '14 at 16:06
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Load view from an external xib file in storyboard
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Another common cause of crashing is not setting the custom view to the file's owner. See the red circle in my answer.
– Suragch
Jan 6 '17 at 8:22
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What is an uninterruptible process?
...ite a program in Linux and it crashes due to a bug of some sort, it will become an uninterruptible process and continue running forever until I restart my computer (even if I log out). My questions are:
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