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How to use multiple arguments for awk with a shebang (i.e. #!)?
... be concatenated (the GNU way).
For example, you can not have
#!/usr/bin/foo -i -f
but you can have
#!/usr/bin/foo -if
Obviously, that only works when the options have short equivalents and take no arguments.
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jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
...
Sorry for the digging up, but:
var bar = "16px";
var foo = parseInt(bar, 10); // Doesn't work! Output is always 16px
// and
var foo = Number(s.replace(/px$/, '')); // No more!
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Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
...anging conversion. After all, if I define public static explicit operator Foo(Bar b){}, then it is clearly my intent that Bar be considered compatible with Foo. It's rare that I would want to avoid this conversion.
– P Daddy
Jan 26 '10 at 21:48
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What is the purpose of .PHONY in a Makefile?
...s its target is a file, and this makes writing Makefiles relatively easy:
foo: bar
create_one_from_the_other foo bar
However, sometimes you want your Makefile to run commands that do not represent physical files in the file system. Good examples for this are the common targets "clean" and "all"...
Exposing a port on a live Docker container
...rt as well)
sudo docker ps
sudo docker commit <containerid> <foo/live>
sudo docker run -i -p 22 -p 8000:80 -m /data:/data -t <foo/live> /bin/bash
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Why not use HTTPS for everything?
... server to know which domain is being requested and which certificate (www.foo.com, or www.bar.com) to respond with.
*Footnote: Technically, you can host multiple domains if you host them on different ports, but that is generally not an option. You can also host multiple domains if your SSL cert...
How do I define a method which takes a lambda as a parameter in Java 8?
...our own interface. For example,
class Klass {
static List<String> foo(Integer a, String b) { ... }
}
class MyClass{
static List<String> method(BiFunction<Integer, String, List<String>> fn){
return fn.apply(5, "FooBar");
}
}
List<String> lStr = MyClass.meth...
Gradle alternate to mvn install
...
sdk/build.gradle:
apply plugin: "maven"
group = "foo"
version = "1.0"
example/build.gradle:
repositories {
mavenLocal()
}
dependencies {
compile "foo:sdk:1.0"
}
$sdk> gradle install
$example> gradle build
...
Delete specific line number(s) from a text file using sed?
...
$ cat foo
1
2
3
4
5
$ sed -e '2d;4d' foo
1
3
5
$
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What is output buffering?
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ob_start(); // turns on output buffering
$foo->bar(); // all output goes only to buffer
ob_clean(); // delete the contents of the buffer, but remains buffering active
$foo->render(); // output goes to buffer
ob_flush(); // send buffer output
$none = ob_get_co...