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HTML.ActionLink vs Url.Action in ASP.NET Razor
...
@Html.ActionLink("link text", "someaction", "somecontroller", new { id = "123" }, null)
generates:
<a href="/somecontroller/someaction/123">link text</a>
and Url.Action("someaction", "somecontroller", new { id = "123" }) generates:
/somecontroller/someaction/123
There is also Ht...
JavaScript curry: what are the practical applications?
...6.09 km"
poundsToKg(2.5); // returns "1.14 kg"
farenheitToCelsius(98); // returns "36.67 degrees C"
This relies on a curry extension of Function, although as you can see it only uses apply (nothing too fancy):
Function.prototype.curry = function() {
if (arguments.length < 1) {...
Can we have functions inside functions in C++?
...e(); //Add 1 to i
std::cout << i << "\n";
}
}
C++98 and C++03 - Not directly, but yes with static functions inside local classes
C++ doesn't support that directly.
That said, you can have local classes, and they can have functions (non-static or static), so you can get t...
Multiple linear regression in Python
...----------------------
x1 0.2424 0.139 1.739 0.098 -0.049 0.534
x2 0.2360 0.149 1.587 0.129 -0.075 0.547
x3 -0.0618 0.145 -0.427 0.674 -0.365 0.241
const 1.5704 0.633 2....
SQL update fields of one table from fields of another one
...('a.' || quote_ident(column_name), ',') || ')
FROM a
WHERE b.id = 123
AND a.id = b.id'
FROM information_schema.columns
WHERE table_name = 'a' -- table name, case sensitive
AND table_schema = 'public' -- schema name, case sensitive
AND column_name <> 'id' -...
How to get the nth occurrence in a string?
...
const string = "XYZ 123 ABC 456 ABC 789 ABC";
function getPosition(string, subString, index) {
return string.split(subString, index).join(subString).length;
}
console.log(
getPosition(string, 'ABC', 2) // --> 16
)
...
Safe integer parsing in Ruby
I have a string, say '123' , and I want to convert it to the integer 123 .
8 Answers
...
Ruby optional parameters
...keyword arguments. This is related to this issue: stackoverflow.com/a/35259850/160363
– Henry Tseng
Feb 7 '16 at 22:29
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How do I send a POST request as a JSON?
...uest URL = https://bah2.com/ws/rest/v1/concept/
Parameter value = 21f6bb43-98a1-419d-8f0c-8133669e40ca
import requests
url = 'https://bahbah2.com/ws/rest/v1/concept/21f6bb43-98a1-419d-8f0c-8133669e40ca'
data = {"name": "Value"}
r = requests.post(url, auth=('username', 'password'), verify=False, js...
How to calculate a Mod b in Casio fx-991ES calculator
...^5 mod 391 = (200^3 * 200^2) mod 391 = ((200^3 mod 391) * 200^2) mod 391 = 98
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