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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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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 :
...
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". ...
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":
...
Which characters need to be escaped when using Bash?
... in a format that can be reused as shell input.
Some samples:
read foo
Hello world
printf "%q\n" "$foo"
Hello\ world
printf "%q\n" $'Hello world!\n'
$'Hello world!\n'
This could be used through variables too:
printf -v var "%q" "$foo
"
echo "$var"
$'Hello world\n'
Quick check with all (128) a...
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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How to check whether a string contains a substring in Ruby
...
You can also do this...
my_string = "Hello world"
if my_string["Hello"]
puts 'It has "Hello"'
else
puts 'No "Hello" found'
end
# => 'It has "Hello"'
This example uses Ruby's String #[] method.
...
method overloading vs optional parameter in C# 4.0 [duplicate]
...ethod foo to be be called/used like so, foo(), foo(1), foo(1,2), foo(1,2, "hello"). With method overloading you would implement the solution like this,
///Base foo method
public void DoFoo(int a, long b, string c)
{
//Do something
}
/// Foo with 2 params only
public void DoFoo(int a, long b)
...