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Test whether a list contains a specific value in Clojure
...f as making no distinction between keys and values), maps (so (contains? {:foo 1} :foo) is true) and vectors (but note that (contains? [:foo :bar] 0) is true, because the keys here are indices and the vector in question does "contain" the index 0!).
To add to the confusion, in cases where it doesn'...
AngularJS $resource RESTful example
...esource('/api/1/todo/:id');
//create a todo
var todo1 = new Todo();
todo1.foo = 'bar';
todo1.something = 123;
todo1.$save();
//get and update a todo
var todo2 = Todo.get({id: 123});
todo2.foo += '!';
todo2.$save();
//which is basically the same as...
Todo.get({id: 123}, function(todo) {
todo.f...
How do I get the file extension of a file in Java?
... just file name):
String ext1 = FilenameUtils.getExtension("/path/to/file/foo.txt"); // returns "txt"
String ext2 = FilenameUtils.getExtension("bar.exe"); // returns "exe"
Maven dependency:
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifact...
How do I find if a string starts with another string in Ruby?
...k'
=> true
irb(main):002:0> Benchmark.realtime { 1.upto(10000000) { "foobar"[/\Afoo/] }}
=> 12.477248
irb(main):003:0> Benchmark.realtime { 1.upto(10000000) { "foobar" =~ /\Afoo/ }}
=> 9.593959
irb(main):004:0> Benchmark.realtime { 1.upto(10000000) { "foobar"["foo"] }}
=> 9.0869...
Markdown to create pages and table of contents?
...
@mgarey Just put the anchor first: ## <a name="foo" /> Foo
– tobias_k
Mar 2 at 11:14
Do...
How to get the path of a running JAR file?
My code runs inside a JAR file, say foo.jar , and I need to know, in the code, in which folder the running foo.jar is.
3...
How to synchronize a static variable among threads running different instances of a class in Java?
...final static AtomicInteger count = new AtomicInteger(0);
public void foo() {
count.incrementAndGet();
}
}
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What's the difference between “ ” and “ ”?
...tions of the particular written language (script) and target medium.
So
foo bar
is displayed as
foo bar
But no-break space is always displayed. So
foo&nbsp;&nbsp;&nbsp;bar
is displayed as
foo bar
...
How do I load my script into the node.js REPL?
I have a script foo.js that contains some functions I want to play with in the REPL.
11 Answers
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Bash: Strip trailing linebreak from output
... end in a \n), it will always output a final \n without -z.
Eg:
$ { echo foo; echo bar; } | sed -z '$ s/\n$//'; echo tender
foo
bartender
And to prove no NUL added:
$ { echo foo; echo bar; } | sed -z '$ s/\n$//' | xxd
00000000: 666f 6f0a 6261 72 foo.bar
To remove mult...