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Calling clojure from java
... :methods [#^{:static true} [foo [int] void]]))
(defn -foo [i] (println "Hello from Clojure. My input was " i))
(defn -main [] (println "Hello from Clojure -main." ))
The leiningen 1.7.1 project setup looks like this:
(defproject ThingOne "1.0.0-SNAPSHOT"
:description "Hello, Clojure"
:dep...
What is the best way to repeatedly execute a function every x seconds?
...el()
self.is_running = False
Usage:
from time import sleep
def hello(name):
print "Hello %s!" % name
print "starting..."
rt = RepeatedTimer(1, hello, "World") # it auto-starts, no need of rt.start()
try:
sleep(5) # your long-running job goes here...
finally:
rt.stop() # bett...
Finding index of character in Swift String
...
Swift 3.0 makes this a bit more verbose:
let string = "Hello.World"
let needle: Character = "."
if let idx = string.characters.index(of: needle) {
let pos = string.characters.distance(from: string.startIndex, to: idx)
print("Found \(needle) at position \(pos)")
}
else {
...
Convert PHP closing tag into comment
...have already used a multiline comment and:
1. Use a nowdoc:
$string='Hello<br>World<br><br />World<br><br><br>Word!';
<<<'comment'
$string = preg_replace('#(<br\s*/?>)+#i', '<br />', $string);
comment;
Live code: http://codepad...
How do I define global variables in CoffeeScript?
...on, here's what you need to do:
root = exports ? this
root.foo = -> 'Hello World'
This will declare our function foo in the global namespace (whatever that happens to be).
That's all :)
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How to call a Python function from Node.js
... zerorpc.Client();
client.connect("tcp://127.0.0.1:4242");
client.invoke("hello", "RPC", function(error, res, more) {
console.log(res);
});
Python Server
import zerorpc
class HelloRPC(object):
def hello(self, name):
return "Hello, %s" % name
s = zerorpc.Server(HelloRPC())
s.bin...
JavaScript isset() equivalent
...) => some) // false
// Defining objects
let some = { nested: { value: 'hello' } }
// More tests that never throw an error
isset(() => some) // true
isset(() => some.nested) // true
isset(() => some.nested.value) // true
isset(() => some.nested.deeper.value) // false
// Less compact...
Remove whitespaces inside a string in javascript
...
For space-character removal use
"hello world".replace(/\s/g, "");
for all white space use the suggestion by Rocket in the comments below!
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improve ...
Shorthand way for assigning a single field in a record, while copying the rest of the fields?
...nt, c :: String } -- define a Foo
> let foo = Foo { a = 1, b = 2, c = "Hello" } -- create a Foo
> let updateFoo x = x { c = "Goodbye" } -- function to update Foos
> updateFoo foo -- update the Foo
Foo {a = 1, b = 2, c = "Goodbye" ...
What is output buffering?
...ing content.
Consider this example:
<?php
ob_start( );
echo "Hello World";
if ( $some_error )
{
header( "Location: error.php" );
exit( 0 );
}
?>
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