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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
I have just started to look at the Scala collections library re-implementation which is coming in the imminent 2.8 release. Those familiar with the library from 2.7 will notice that the library, from a usage perspective, has changed little. For example...
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How to flatten nested objects with linq expression
I am trying to flatten nested objects like this:
4 Answers
4
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Remove HTML tags from a String
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Use a HTML parser instead of regex. This is dead simple with Jsoup.
public static String html2text(String html) {
return Jsoup.parse(html).text();
}
Jsoup also supports removing HTML tags against a customizable whitelist, which is very useful if you want to allow only e.g. <b>, <i...
Default function arguments in Rust
Is it possible in Rust to create a function with a default argument?
6 Answers
6
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Selecting with complex criteria from pandas.DataFrame
...pd.DataFrame({'A': [randint(1, 9) for x in range(10)],
'B': [randint(1, 9)*10 for x in range(10)],
'C': [randint(1, 9)*100 for x in range(10)]})
>>> df
A B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 ...
new keyword in method signature
...le performing a refactoring, I ended up creating a method like the example below. The datatype has been changed for simplicity's sake.
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Array_merge versus + [duplicate]
When I use array_merge() with associative arrays I get what I want, but when I use them with numerical key arrays the keys get changed.
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Templated check for the existence of a class member function?
Is it possible to write a template that changes behavior depending on if a certain member function is defined on a class?
2...
Pointers in C: when to use the ampersand and the asterisk?
...ers, and I'm slightly confused. I know & means the address of a variable and that * can be used in front of a pointer variable to get the value of the object that is pointed to by the pointer. But things work differently when you're working with arrays, strings or when you're calling functio...
Double Iteration in List Comprehension
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I hope this helps someone else since a,b,x,y don't have much meaning to me! Suppose you have a text full of sentences and you want an array of words.
# Without list comprehension
list_of_words = []
for sentence in text:
for word in sentence:
list_of_wo...