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Getting exact error type in from DbValidationException
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What does “Git push non-fast-forward updates were rejected” mean?
I'm using Git to manage my two computers and my development. I'm trying to commit changes to GitHub and I'm getting the error.
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“new” keyword in Scala
...or:
class Foo { }
val f = new Foo
Omit new if you are referring to the companion object's apply method:
class Foo { }
object Foo {
def apply() = new Foo
}
// Both of these are legal
val f = Foo()
val f2 = new Foo
If you've made a case class:
case class Foo()
Scala secretly creates a c...
git stash blunder: git stash pop and ended up with merge conflicts
...merge. The only clean-ups you need are to reset the index file to the HEAD commit to reverse 2. and to clean up working tree changes made by 2. and 3.; git-reset --hard can be used for this.
Resolve the conflicts. Git will mark the conflicts in the working tree. Edit the files into shape and git ad...
How to undo another user’s checkout in TFS?
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There are at least 2 different ways to do this:
Command Line
There is a command-line utility called Tf.exe that comes with Team Explorer. Find the documentation here. It can be accessed by launching a Visual Studio Command Prompt window. The syntax of the command is:
tf ...
In Vim, how do I apply a macro to a set of lines?
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Use the normal command in Ex mode to execute the macro on multiple/all lines:
Execute the macro stored in register a on lines 5 through 10.
:5,10norm! @a
Execute the macro stored in register a on lines 5 through the end of the file.
:5...
Button in a column, getting the row from which it came on the Click event handler
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The ideal way to do this kind of stuff is using commands (Basically MVVM pattern) you can create a command in your Data Object(ViewModel) and call Button.Command , So that there wont be any code behind like Button click.
– Jobi Joy
Ju...
Browse orphaned commits in Git
...o my own question. Using git reflog --all is a good way to browse orphaned commits - and using the SHA1 hashes from that you can reconstruct history.
In my case though, the repository was corrupted so this didn't help; git fsck can help you find and sometimes fix errors in the repository itself.
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how do you push only some of your local git commits?
Suppose I have 5 local commits. I want to push only 2 of them to a centralized repo (using an SVN-style workflow). How do I do this?
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How big is too big for a PostgreSQL table?
I'm working on the design for a RoR project for my company, and our development team has already run into a bit of a debate about the design, specifically the database.
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