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CSS Selector that applies to elements with two classes
... color: red;
}
Output on supported browsers is:
<div class="foo">Hello Foo</div> <!-- Not selected, black text [1] -->
<div class="foo bar">Hello World</div> <!-- Selected, red text [2] -->
<div class="bar">Hello Bar</div> <!-- Not s...
How to write a switch statement in Ruby
... to do a case ... when over an object's class, this will not work:
obj = 'hello'
case obj.class
when String
print('It is a string')
when Fixnum
print('It is a number')
else
print('It is not a string or number')
end
Will print "It is not a string or number".
Fortunately, this is easily solv...
Best way to create a simple python web service [closed]
...your own when it comes to making a service that actually does something.
"Hello, World!" according to web.py isn't much longer than an bare CGI version, but it adds URL mapping, HTTP command distinction, and query parameter parsing for free:
import web
urls = (
'/(.*)', 'hello'
)
app = web.ap...
Parse query string in JavaScript [duplicate]
...y variable %s not found', variable);
}
Now make a request to page.html?x=Hello:
console.log(getQueryVariable('x'));
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Using parameters in batch files at Windows command line
...the following command in a batch file called mybatch.bat:
@echo off
@echo hello %1 %2
pause
Invoking the batch file like this: mybatch john billy would output:
hello john billy
Get more than 9 parameters for a batch file, use: %*
The Percent Star token %* means "the rest of the parameters". ...
Explain the concept of a stack frame in a nutshell
...ic allocation and deletion values.
Let's understand with example :
def hello(x):
if x==1:
return "op"
else:
u=1
e=12
s=hello(x-1)
e+=1
print(s)
print(x)
u+=1
return e
hello(4)
Now understand parts of this program :
...
How to update a value, given a key in a hashmap?
...ple,
Map<String, Integer> words = new HashMap<>();
words.put("hello", 3);
words.put("world", 4);
words.computeIfPresent("hello", (k, v) -> v + 1);
System.out.println(words.get("hello"));
Alternatevely, you could use merge method, where 1 is the default value and function increments...
Reflection: How to Invoke Method with parameters
...ly.dll
namespace TestAssembly{
public class Main{
public void Hello()
{
var name = Console.ReadLine();
Console.WriteLine("Hello() called");
Console.WriteLine("Hello" + name + " at " + DateTime.Now);
}
public void Run(string p...
swift case falling through
...
Yes. You can do so as follows:
var testVal = "hello"
var result = 0
switch testVal {
case "one", "two":
result = 1
default:
result = 3
}
Alternatively, you can use the fallthrough keyword:
var testVal = "hello"
var result = 0
switch testVal {
case "one":
...
Test for multiple cases in a switch, like an OR (||)
...h (pageid)
{
case "listing-page":
case "home-page":
alert("hello");
break;
case "details-page":
alert("goodbye");
break;
}
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