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Why is a combiner needed for reduce method that converts type in java 8
I'm having trouble fully understanding the role that the combiner fulfils in Streams reduce method.
4 Answers
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Pipe output and capture exit status in Bash
I want to execute a long running command in Bash, and both capture its exit status, and tee its output.
15 Answers
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Setting default values for columns in JPA
Is it possible to set a default value for columns in JPA, and if, how is it done using annotations?
18 Answers
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Difference between Role and GrantedAuthority in Spring Security
There are concepts and implementations in Spring Security, such as the GrantedAuthority interface to get an authority to authorize/control an access.
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Running shell command and capturing the output
I want to write a function that will execute a shell command and return its output as a string , no matter, is it an error or success message. I just want to get the same result that I would have gotten with the command line.
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How to shrink the .git folder
...gressive --prune, which will perform garbage collection in your repository and prune old objects. do you have a lot of binary files (archives, images, executables) which change often? those usually lead to huge .git folders (remember, git stores snapshots for each revision and binary files compress ...
Git rebase --continue complains even when all merge conflicts have been resolved
...urrently being applied to the branch you rebase on. After fixing the patch and doing
git add your/conflicted/file
git status
you will get a (usually green) line showing the modified file
modified: your/conflicted/file
git rebase --continue will work fine in this situation.
Sometimes, h...
Why do you create a View in a database?
When and Why does some one decide that they need to create a View in their database? Why not just run a normal stored procedure or select?
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Practical uses for AtomicInteger
I sort of understand that AtomicInteger and other Atomic variables allow concurrent accesses. In what cases is this class typically used though?
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How to identify unused css definitions
...y unused css definitions in a project? A bunch of css files were pulled in and now I'm trying to clean things up a bit.
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