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Maven Could not resolve dependencies, artifacts could not be resolved
...ate maven repos. Instead, the JARs were cached, and no lookups happened at all.
– wmorrell
Jan 16 '19 at 19:22
1
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How to check if remote branch exists on a given remote repository?
...epository. The problem is that the remote repository is not checked out locally, so I can't use git branch -r . All I have is a remote address, something like this https://github.com/project-name/project-name.git . Is there a way to list remote branches just by a remote address? I couldn't find...
How to break out of nested loops?
...ested loops:
use goto
use flags
factor out loops into separate function calls
Couldn't resist including xkcd here :)
source
Goto's are considered harmful but as many people in the comments suggest it need not be. If used judiciously it can be a great tool. Anything used in moderation is fun....
Multi-line commands in GHCi
...he following is sufficient:
Prelude> let addTwo x y = x + y
If you really want a definition with a type signature, or your definition spans over multiple lines, you can do this in ghci:
Prelude> :{
Prelude| let addTwo :: Int -> Int -> Int
Prelude| addTwo x y = x + y
Prelude| :}
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Efficient way to remove keys with empty strings from a dict
I have a dict and would like to remove all the keys for which there are empty value strings.
17 Answers
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Logback to log different messages to two files
...instances which each log to a separate file; one for analytics and one for all purpose logging. Does anyone know if this is possible with Logback, or any other logger for that matter?
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How does the new automatic reference counting mechanism work?
...rty assignments are inexpensive (as discussed here). I know I'm replacing all of my existing Mac GC code with ARC implementations.
As to whether this could be extended to other languages, it seems geared around the reference counting system in Objective-C. It might be difficult to apply this to J...
How to render a DateTime in a specific format in ASP.NET MVC 3?
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If all you want to do is display the date with a specific format, just call:
@String.Format(myFormat, Model.MyDateTime)
Using @Html.DisplayFor(...) is just extra work unless you are specifying a template, or need to use somet...
Is Fortran easier to optimize than C for heavy calculations?
... that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
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Is GridFS fast and reliable enough for production?
I develop a new website and I want to use GridFS as storage for all user uploads, because it offers a lot of advantages compared to a normal filesystem storage.
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