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Should all Python classes extend object?
... other effects, causes type to give different results:
>>> class Foo: pass
...
>>> type(Foo())
<type 'instance'>
vs.
>>> class Bar(object): pass
...
>>> type(Bar())
<class '__main__.Bar'>
Also the rules for multiple inheritance are different in...
How to redirect output of an already running process [duplicate]
...ting Output from a Running Process.
Firstly I run the command cat > foo1 in one session and test that data from stdin is copied to the file. Then in another session I redirect the output.
Firstly find the PID of the process:
$ ps aux | grep cat
rjc 6760 0.0 0.0 1580 376 pts/5 S+ 15:31 0...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...er this C# - F# example
C#:
public class Class1
{
public static void Foo(Func<object, string> f)
{
Console.WriteLine(f.Method.GetParameters()[0].Name);
}
}
F#:
Class1.Foo(fun yadda -> "hello")
Result:
"arg" is printed (not "yadda").
As a result, library designer...
Difference between case object and object
...
scala> object foo
defined object foo
scala> case object foocase
defined object foocase
Serialization difference:
scala> foo.asInstanceOf[Serializable]
java.lang.ClassCastException: foo$ cannot be cast to scala.Ser...
How do I parse a URL query parameters, in Javascript? [duplicate]
...;
return result;
}
This function can parse even URLs like
var url = "?foo%20e[]=a%20a&foo+e[%5Bx%5D]=b&foo e[]=c";
// {"foo e": ["a a", "c", "[x]":"b"]}
var obj = getJsonFromUrl(url)["foo e"];
for(var key in obj) { // Array.forEach would skip string keys here
console.log(key,":",ob...
Converting Go struct to JSON
...Wasted a lot of time, so posting solution here.
In Go:
// web server
type Foo struct {
Number int `json:"number"`
Title string `json:"title"`
}
foo_marshalled, err := json.Marshal(Foo{Number: 1, Title: "test"})
fmt.Fprint(w, string(foo_marshalled)) // write response to ResponseWriter (...
What exactly does an #if 0 … #endif block do?
...h one important difference: Nesting is not a problem. Consider this code:
foo();
bar(x, y); /* x must not be NULL */
baz();
If I want to comment it out, I might try:
/*
foo();
bar(x, y); /* x must not be NULL */
baz();
*/
Bzzt. Syntax error! Why? Because block comments do not nest, and so (as ...
Build query string for System.Net.HttpClient get
...m?
Sure:
var query = HttpUtility.ParseQueryString(string.Empty);
query["foo"] = "bar<>&-baz";
query["bar"] = "bazinga";
string queryString = query.ToString();
will give you the expected result:
foo=bar%3c%3e%26-baz&bar=bazinga
You might also find the UriBuilder class useful:
v...
Best way to use html5 data attributes with rails content_tag helper?
...link_to for example: link_to "label", {:action => blub}, {:data => {:foo => :bar}, :class => "test"}
– reto
May 25 '12 at 9:41
...
Relation between CommonJS, AMD and RequireJS?
...rk like this:
// someModule.js
exports.doSomething = function() { return "foo"; };
//otherModule.js
var someModule = require('someModule'); // in the vein of node
exports.doSomethingElse = function() { return someModule.doSomething() + "bar"; };
Basically, CommonJS specifies that you need to...