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Convert String to Float in Swift
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I don't consider this very safe, at least for Swift standards, since if the string is not a number, NSString.floatValue just returns 0. This should trigger an Exception or at least return nil.
– Ixx
Jul 25 '15 at 18:29
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LINQ: Not Any vs All Don't
...t you can have bugs from assuming "all the items are..." means there is at least one item that is at least one item that fulfils the test, since the "all the items..." is always true for the empty set, I don't dispute that at all. I added though that the same problem can happen with assuming "none o...
how to find host name from IP with out login to the host
...h DNS server(s), so it's common to see the same hostnames in a DHCP client least table and in the DNS server's A (or AAAA for IPv6) records. Again, this is usually done as part of zeroconf.
Also note that just because a DHCP lease exists for a client, doesn't mean it's still being used.
NetBIOS fo...
How to name factory like methods?
...ey may be "de facto standards". I'd choose one and use it consistently at least within a project. (Looking at my own current project, I seem to use "make". I hope I'm consistent...)
Avoid "build" because it fits better with the Builder pattern and avoid "produce" because it evokes Producer/Consu...
How to auto-remove trailing whitespace in Eclipse?
...all the code styles automatically include removing trailing whitespace. At least I couldn't find a setting for this in Formatter configuration, and it worked out of the box for built-in Java Conventions, Eclipse, Eclipse 2.1 styles, as well as GoogleStyle.
When using this set-up, you obviously need...
Java Naming Convention with Acronyms [closed]
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@GregBrown: In fact it is more practical at least in Eclipse, where the camel-case recognition is a pain with acronyms: i.e. with DvdPlayer you can type "DP" and press Ctrl+1 to get the choice to select DvdPlayer, but if you had DVDPlayer you would have to type "DVDP"....
How can I group data with an Angular filter?
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This is pretty neat actually! Least amount of code.
– Benny Bottema
Jul 7 '14 at 9:35
3
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Use Mockito to mock some methods but not others
...to mock the DB lookup. From my experience this is not always possible - at least not without other workarounds - that I would consider as being very cumbersome or at least fragile. Note, that partial mocking does not work with ally versions of Mockito. You have use at least 1.8.0.
I would have just...
Is there a portable way to get the current username in Python?
... username in Python (i.e., one that works under both Linux and Windows, at least). It would work like os.getuid :
12 Answ...
Creating an abstract class in Objective-C
...tract methods via a category (i.e. at runtime). You can force a user to at least override certain methods by raising an exception in those methods implementation in your abstract class:
[NSException raise:NSInternalInconsistencyException
format:@"You must override %@ in a subclass", NS...