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Meaning of @classmethod and @staticmethod for beginner? [duplicate]
... and staticmethod are quite similar, there's a slight difference in usage for both entities: classmethod must have a reference to a class object as the first parameter, whereas staticmethod can have no parameters at all.
Example
class Date(object):
def __init__(self, day=0, month=0, year=0):
...
Gradle to execute Java class (without modifying build.gradle)
...o mvn exec:java in gradle, you need to either apply the application plugin or have a JavaExec task.
application plugin
Activate the plugin:
plugins {
id 'application'
...
}
Configure it as follows:
application {
mainClassName = project.hasProperty("mainClass") ? getProperty("mainCl...
How to check if a Ruby object is a Boolean
...
Yes, that's called duck typing and a core principle of OOP. I think it's a feature.
– Konstantin Haase
Jun 19 '12 at 16:41
66
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How to sort a list/tuple of lists/tuples by the element at a given index?
I have some data either in a list of lists or a list of tuples, like this:
10 Answers
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How to use regex in String.contains() method in Java
I want to check if a String contains the words "stores", "store", and "product" in that order, no matter what is in between them.
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What is Data Transfer Object?
...pplications. They also make great models in the MVC pattern.
Another use for DTOs can be to encapsulate parameters for method calls. This can be useful if a method takes more than 4 or 5 parameters.
When using the DTO pattern, you would also make use of DTO assemblers. The assemblers are used to c...
PHP Difference between array() and []
I'm writing a PHP app and I want to make sure it will work with no errors.
5 Answers
5...
What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?
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SQLite, technically, has no data types, there are storage classes in a manifest typing system, and yeah, it's confusing if you're used to traditional RDBMSes. Everything, internally, is stored as text. Data types are coerced/converted into various storage locations based on af...
Display name of the current file in vim?
How do you display the filename of the file you are working on in vim?
9 Answers
9
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RegEx for matching UK Postcodes
...lex UK postcode only within an input string. All of the uncommon postcode forms must be covered as well as the usual. For instance:
...