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How to declare an array in Python?
...*The default built-in Python type is called a list, not an array. It is an ordered container of arbitrary length that can hold a heterogenous collection of objects (their types do not matter and can be freely mixed). This should not be confused with the array module, which offers a type closer to th...
Design patterns or best practices for shell scripts [closed]
...$@"
Hints and tips
If something does not work for some reason, try to reorder the code. Order is important and not always intuitive.
do not even consider working with tcsh. it does not support functions, and it's horrible in general.
Hope it helps, although please note. If you have to use the ...
Mediator Vs Observer Object-Oriented Design Patterns
I have been reading the Gang Of Four , in order to solve some of my problems and came across the Mediator pattern.
8 Ans...
In which case do you use the JPA @JoinTable annotation?
...solution in JPA you need to use the @JoinTable annotation. For example, in order to implement a uni-directional one-to-many association, we can define our entities as such:
Project entity:
@Entity
public class Project {
@Id
@GeneratedValue
private Long pid;
private String name;
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Python: finding an element in a list [duplicate]
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The index method of a list will do this for you. If you want to guarantee order, sort the list first using sorted(). Sorted accepts a cmp or key parameter to dictate how the sorting will happen:
a = [5, 4, 3]
print sorted(a).index(5)
Or:
a = ['one', 'aardvark', 'a']
print sorted(a, key=len).ind...
What Does 'Then' Really Mean in CasperJS
... Isn't the so called 'stack' actually a queue? The steps are executed in order, had it been a stack wouldn't we expect step 3, step 2, step 1?
– Reut Sharabani
Oct 20 '13 at 16:09
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Alphabet range in Python
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Thanks. How do I make it to reverse order?
– Alexa Elis
Apr 17 '13 at 13:08
68
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Sorting an array of objects in Ruby by object attribute?
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Ascending order :
objects_array.sort! { |a, b| a.attribute <=> b.attribute }
or
objects_array.sort_by{ |obj| obj.attribute }
Descending order :
objects_array.sort! { |a, b| b.attribute <=> a.attribute }
or
obje...
How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
...curacy you're looking for. Let's review the options, in roughly descending order of desirability.
Maybe It Exists Already
Always check DefinitelyTyped (https://github.com/DefinitelyTyped/DefinitelyTyped) first. This is a community repo full of literally thousands of .d.ts files and it's very likel...
undefined reference to `WinMain@16'
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