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How can I do an asc and desc sort using underscore.js?
...unction(num){
return num * -1;
}); // [3, 2, 1]
If you're sorting by strings not numbers, you can use the charCodeAt() method to get the unicode value.
//Descending Order Strings:
_.sortBy(['a', 'b', 'c'], function(s){
return s.charCodeAt() * -1;
});
...
Can I set null as the default value for a @Value in Spring?
...lValue of the PropertyPlaceholderConfigurer. For the example I'm using the string @null but you can also use the empty string as nullValue.
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<!-- config the location(s) of the p...
Passing just a type as a parameter in C#
...common approaches. First, you can pass System.Type
object GetColumnValue(string columnName, Type type)
{
// Here, you can check specific types, as needed:
if (type == typeof(int)) { // ...
This would be called like: int val = (int)GetColumnValue(columnName, typeof(int));
The other opti...
What is the difference between a strongly typed language and a statically typed language?
...amic) type error.
For example, Lua, a dynamically typed language, has a string type, a number type, and a Boolean type, among others. In Lua every value belongs to exactly one type, but this is not a requirement for all dynamically typed languages. In Lua, it is permissible to concatenate two s...
Case insensitive regular expression without re.compile?
...e being None. Using try & except to catch TypeError matching by first_string == second_string. Sample Code def equal_ignore_case(first_string, second_string): try: return re.match(first_string, second_string, re.IGNORECASE) is not None except (AttributeError, TypeError): ...
Sorting a list using Lambda/Linq to objects
I have the name of the "sort by property" in a string. I will need to use Lambda/Linq to sort the list of objects.
12 Answe...
Python: access class property from string [duplicate]
...
How I can access x.y according to the value string of v?
– user2284570
Sep 4 '17 at 1:48
...
Oracle SQL, concatenate multiple columns + add text
...
You have two options for concatenating strings in Oracle:
CONCAT
Using ||
CONCAT example:
CONCAT(
CONCAT(
CONCAT(
CONCAT(
CONCAT('I like ', t.type_desc_column),
' cake with '),
t.icing_desc_column),
' and a '),
t.frui...
How do I check if a given Python string is a substring of another one? [duplicate]
I have two strings and I would like to check whether the first is a substring of the other. Does Python have such a built-in functionality?
...
In Node.js, how do I turn a string to a json? [duplicate]
For example, a HTTP REST API just returned me a JSON, but of course it's a string right now. How can I turn it into a JSON?
...