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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
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I find it a bit disturbing every answer echoes the same proverb: "If it's exceptional, throw." Most engineers are going to be familiar with this principle. In my opinion, the real question here is how to determine if it should be conside...
What does the question mark in Java generics' type parameter mean?
... of Electronic Engineering and Computer Science.
Update 2: Lets go into a bit more detail as to why you'd want to use wildcards.
If you declare a method whose signature expect you to pass in List<HasWord>, then the only thing you can pass in is a List<HasWord>.
However, if said signat...
Array extension to remove object by value
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extension Array where Element:Equatable {
public mutating func remove(_ item:Element ) {
var index = 0
while index < self.count {
if self[index] == item {
self.remove(at: index)
} else {
index += 1
}
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Restful way for deleting a bunch of items
...emoving a single resource'. What ever you do, getting multiple delete is a bit of a hack. You can still return a 'job' to the client saying that this task is being worked on (and could take some time) but use this URI to check the progress. I read the spec and took it that DELETE can have a body, ju...
Why does Pycharm's inspector complain about “d = {}”?
... @mac I agree now. I was young and stupid ) since then I've changed (a bit) and just disabled those warnings
– Igor.K
Mar 11 '18 at 21:07
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How do I do a 'git status' so it doesn't display untracked files without using .gitignore?
...s -uno
which is equivalent to:
git status --untracked-files=no
It's a bit hidden in the manuals, but the manpage for status says "supports the same options as git-commit", so that's where you'd have to look.
share
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Has anyone used Coffeescript for a production application? [closed]
...art using coffeescript on a "real" app.
(Also, coffeescript does irk me a bit in that it seems to encourage rather "floofy" code. I don't know if it's a good thing or a bad thing, but it seems an extreme case of TMTOWTDI)
s...
Why can't a text column have a default value in MySQL?
...an attempt to fix this as bug #19498 in the MySQL Bugtracker:
Bryce Nesbitt on April 4 2008 4:36pm:
On MS Windows the "no DEFAULT" rule is an error, while on other platforms it is often a warning. While not a bug, it's possible to get trapped by this if you write code on a lenient platform, an...
Linq order by boolean
...rammer should inherently know very well that a boolean true means a single bit set to 1? To me, the truth of true > false is about as obvious as can be.
– Mels
Feb 21 '14 at 11:03
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New to unit testing, how to write great tests? [closed]
...make sure the function does what it intends to do. I change the behavior a bit. Run tests, POW a problem. The funny thing is when using the application the problem does not manifest, its only in a complex case that it does. The test case found it and I saved myself hours of headache.
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