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Releasing memory in Python
I have a few related questions regarding memory usage in the following example.
4 Answers
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Overriding fields or properties in subclasses
...n 1 is polymorphic.
Fields by themselves cannot be overridden. Which is exactly why Option 2 returns the new keyword warning.
The solution to the warning is not to append the “new” keyword, but to implement Option 1.
If you need your field to be polymorphic you need to wrap it in a Proper...
How to get current CPU and RAM usage in Python?
...s (current CPU, RAM, free disk space, etc.) in Python? Bonus points for *nix and Windows platforms.
15 Answers
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How to manage REST API versioning with spring?
I've been searching how to manage a REST API versions using Spring 3.2.x, but I haven't find anything that is easy to maintain. I'll explain first the problem I have, and then a solution... but I do wonder if I'm re-inventing the wheel here.
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How do I match any character across multiple lines in a regular expression?
For example, this regex
24 Answers
24
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
...lem is that when you have a macro replacement, the preprocessor will only expand the macros recursively if neither the stringizing operator # nor the token-pasting operator ## are applied to it. So, you have to use some extra layers of indirection, you can use the token-pasting operator with a recu...
How can I find the length of a number?
...
var x = 1234567;
x.toString().length;
This process will also work forFloat Number and for Exponential number also.
share
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i...
Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
... in a way that is visible through the public interface, like your locking example. Another example would be a class that computes a value the first time it is requested, and caches the result.
Since c++11 mutable can be used on a lambda to denote that things captured by value are modifiable (they...
What is the canonical way to trim a string in Ruby without creating a new string?
...ble itself if it was stripped.
According to Ruby standards, a method suffixed with an exclamation mark changes the variable in place.
Hope this helps.
Update: This is output from irb to demonstrate:
>> @title = "abc"
=> "abc"
>> @title.strip!
=> nil
>> @title
=> "abc"
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When is memoization automatic in GHC Haskell?
...
GHC does not memoize functions.
It does, however, compute any given expression in the code at most once per time that its surrounding lambda-expression is entered, or at most once ever if it is at top level. Determining where the lambda-expressions are can be a little tricky when you use synt...