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How to make git mark a deleted and a new file as a file move?
...med and modified files that are uncommitted.
Let's say the file was named foo and now it's named bar:
Rename bar to a temp name:
mv bar side
Checkout foo:
git checkout HEAD foo
Rename foo to bar with Git:
git mv foo bar
Now rename your temporary file back to bar.
mv side bar
This last s...
How to store a command in a variable in a shell script?
...al -- "$@"
eval -- "$*"
"$@"
"$*"
}
Output:
$ printexec echo -e "foo\n" bar
$ echo -e foo\\n bar
foon bar
foon bar
foo
bar
bash: echo -e foo\n bar: command not found
As you can see, only the third one, "$@" gave the correct result.
...
Find where java class is loaded from
...
Here's an example:
package foo;
public class Test
{
public static void main(String[] args)
{
ClassLoader loader = Test.class.getClassLoader();
System.out.println(loader.getResource("foo/Test.class"));
}
}
This printed out...
Dealing with commas in a CSV file
...in double-quotes.
http://tools.ietf.org/html/rfc4180
So, to have values foo and bar,baz, you do this:
foo,"bar,baz"
Another important requirement to consider (also from the spec):
If double-quotes are used to enclose fields, then a double-quote
appearing inside a field must be escaped by...
Returning multiple objects in an R function [duplicate]
... way to handle this is to return a list object. So if you have an integer foo and a vector of strings bar in your function, you could create a list that combines these items:
foo <- 12
bar <- c("a", "b", "e")
newList <- list("integer" = foo, "names" = bar)
Then return this list.
After...
Automatically capture output of last command into a variable using Bash?
...anguage. Yes, you can assign the output to variable
MY_VAR="$(find -name foo.txt)"
echo "$MY_VAR"
But better hope your hardest that find only returned one result and that that result didn't have any "odd" characters in it, like carriage returns or line feeds, as they will be silently modified wh...
What is a JavaBean exactly?
...rties are inferred from the getters and setters (if there is a method X getFoo() -> the bean has a readable property called "foo"; if there is a method setFoo(X foo) -> the bean has a writeable property called "foo"). Properties can be backed by member fields (but don't have to be) which are u...
Best exception for an invalid generic type argument
...tions shouldn't. Things like InvalidOperationException are icky, because "Foo asks collection Bar to add something that already exists, so Bar throws IOE" and "Foo asks collection Bar to add something, so Bar calls Boz which throws IOE even though Bar isn't expecting it to" will both throw the same...
Preferred way of loading resources in Java
...loader
The starting location
So if you do
this.getClass().getResource("foo.txt");
it will attempt to load foo.txt from the same package as the "this" class and with the class loader of the "this" class. If you put a "/" in front then you are absolutely referencing the resource.
this.getClass(...
Spring Boot - inject map from application.yml
...
foo.bars.one.counter=1
foo.bars.one.active=false
foo.bars[two].id=IdOfBarWithKeyTwo
public class Foo {
private Map<String, Bar> bars = new HashMap<>();
public Map<String, Bar> getBars() { .... }
}
h...