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The Guava library: What are its most useful and/or hidden features? [closed]
...nsform, etc. Despite the verbosity of using classes for Functions and Predicates, I've found this useful. I give an example of one way to make this read nicely here.
ComparisonChain is a small, easily overlooked class that's useful when you want to write a comparison method that compares multiple va...
What is the difference between map and flatMap and a good use case for each?
... Yes - (but note that my informal notation was just meant to indicate a collection of some kind - in fact mapping split over a list of Strings will produce a List of Arrays)
– DNA
Aug 6 '16 at 22:06
...
What JSON library to use in Scala? [closed]
..., 11 or Jackson as back-ends
circe ???? - fork of Argonaut built on top of cats instead of scalaz
jsoniter-scala - Scala macros for compile-time generation of ultra-fast JSON codecs
jackson-module-scala - Add-on module for Jackson to support Scala-specific datatypes
borer - Efficient CBOR and JSON (...
How do I abort/cancel TPL Tasks?
...osing. With Threads I use Thread.Abort().
– Cheshire Cat
Dec 3 '14 at 15:31
...
Moving from CVS to Git: $Id$ equivalent?
...laborative work with the files in the Git repository being their "final" location.
Anyway, the way I did it was to create an attributes file in the repository like this:
cat .git/info/attributes
# see man gitattributes
*.sh ident
*.pl ident
*.cgi ident
Then put $Id$ somewhere in the file (I like...
How to find/identify large commits in git history?
...of the object, compressed, inside the pack file."
output="size,pack,SHA,location"
allObjects=`git rev-list --all --objects`
for y in $objects
do
# extract the size in bytes
size=$((`echo $y | cut -f 5 -d ' '`/1024))
# extract the compressed size in bytes
compressedSize=$((`echo $y |...
How to parse XML in Bash?
....com/doc/2006-03-01/">
<Name>sth-items</Name>
<IsTruncated>false</IsTruncated>
<Contents>
<Key>item-apple-iso@2x.png</Key>
<LastModified>2011-07-25T22:23:04.000Z</LastModified>
<ETag>&quot;0032a28286680abee71aed5d05...
How to clone ArrayList and also clone its contents?
...List(List<Object>), cloneList(List<Dog>) and cloneList(List<Cat>). But you can't call a generic Constructor I guess...?
– Tobi G.
Feb 17 '16 at 2:31
...
Setting git parent pointer to a different parent
...$(git rev-parse --verify "${2}^0") || return 2
new_commit=$(
git cat-file commit "$1" |
sed -e '1,/^$/s/^parent '"$old_parent"'$/parent '"$new_parent"'/' |
git hash-object -t commit -w --stdin
) || return 3
git replace "$1" "$new_commit"
}
replace_first_parent B A
# ...
Why do you need to put #!/bin/bash at the beginning of a script file?
...ed by the execve(2) system call (which execute programs). But POSIX specification for execve don't mention the shebang.
It must be followed by a file path of an interpreter executable (which BTW could even be relative, but most often is absolute).
A nice trick (or perhaps not so nice one) to find ...