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What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...on use cases which involve package renaming.
For example, I am developing Foo library, which depends on a specific version (e.g. 1.0) of Bar library. Assuming I cannot make use of other version of Bar lib (because API change, or other technical issues, etc). If I simply declare Bar:1.0 as Foo's d...
What is the strict aliasing rule?
..., and how to deal with alignment issues through packing structs correctly.
Footnote
1 The types that C 2011 6.5 7 allows an lvalue to access are:
a type compatible with the effective type of the object,
a qualified version of a type compatible with the effective type of the object,
a type that is t...
Forward function declarations in a Bash or a Shell script?
...use a pattern like this for most of my scripts:
#!/bin/bash
main() {
foo
bar
baz
}
foo() {
}
bar() {
}
baz() {
}
main "$@"
You can read the code from top to bottom, but it doesn't actually start executing until the last line. By passing "$@" to main() you can access the command-l...
Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...ple of how I did it:
def genMapper(kryoWrapper: KryoSerializationWrapper[(Foo => Bar)])
(foo: Foo) : Bar = {
kryoWrapper.value.apply(foo)
}
val mapper = genMapper(KryoSerializationWrapper(new Blah(abc))) _
rdd.flatMap(mapper).collectAsMap()
object Blah(abc: ABC) extends (Foo ...
Ruby on Rails: how do I sort with two columns using ActiveRecord?
...
In Rails 4 you can do something similar to:
Model.order(foo: :asc, bar: :desc)
foo and bar are columns in the db.
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Making 'git log' ignore changes for certain paths
...d empty Git repository in /tmp/tmp.cJm8k38G9y/.git/
$ mkdir aye bee
$ echo foo > aye/foo
$ git add aye/foo
$ git commit -m "First commit"
[master (root-commit) 46a028c] First commit
0 files changed
create mode 100644 aye/foo
$ echo foo > bee/foo
$ git add bee/foo
$ git commit -m "Second comm...
HAProxy redirecting http to https (ssl)
...--------------------
frontend unsecured *:80
redirect location https://foo.bar.com
#---------------------------------------------------------------------
# frontend secured
#---------------------------------------------------------------------
frontend secured *:443
mode tcp
default_bac...
Copying files from Docker container to host
...image - <<EOF
> FROM busybox
> WORKDIR /workdir
> RUN touch foo.txt bar.txt qux.txt
> EOF
Sending build context to Docker daemon 2.048kB
Step 1/3 : FROM busybox
---> 00f017a8c2a6
Step 2/3 : WORKDIR /workdir
---> Using cache
---> 36151d97f2c9
Step 3/3 : RUN touch foo.tx...
Resizing an iframe based on content
...as iframed, but never pages in which it is framed, e.g. if you have:
www.foo.com/home.html, which iframes
|-> www.bar.net/framed.html, which iframes
|-> www.foo.com/helper.html
then home.html can communicate with framed.html (iframed) and helper.html (same domain).
Communication o...
How and why does 'a'['toUpperCase']() in JavaScript work?
...
foo.bar and foo['bar'] are equal so the code you posted is the same as
alert('a'.toUpperCase())
When using foo[bar] (note tha lack of quotes) you do not use the literal name bar but whatever value the variable bar contains...