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How to input a regex in string.replace?
...lt;/[1> and then there are cases ... where the<[99> number ranges from 1-100</[99>.
and there are many other lines in the txt files
with<[3> such tags </[3>"""
result = pattern.sub("", subject)
print(result)
If you want to learn more about regex I recomend to read Reg...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...t; foo = new List<Person>();
and then the compiler will prevent you from putting things that aren't Person into the list.
Behind the scenes the C# compiler is just putting List<Person> into the .NET dll file, but at runtime the JIT compiler goes and builds a new set of code, as if you ...
How to fix java.net.SocketException: Broken pipe?
...nt or the server) closing the connection while your code is either reading from or writing to the connection.
This is a very common exception in client/server applications that receive traffic from clients or servers outside of the application control. For example, the client is a browser. If the b...
What is the difference between char s[] and char *s?
...ill probably be stored within an "initialised data segment" that is loaded from the executable file into writeable memory when the program is run.
On the other hand, this declaration:
char *s ="hello";
Creates two objects:
a read-only array of 6 chars containing the values 'h', 'e', 'l', 'l', ...
Rebasing a Git merge commit
...se the --rebase-merges option on git rebase, which is described as follows from the manual:
By default, a rebase will simply drop merge commits from the todo list, and put the rebased commits into a single, linear branch. With --rebase-merges, the rebase will instead try to preserve the branching s...
How to remove indentation from an unordered list item?
I want to remove all indentation from ul . I tried setting margin , padding , text-indent to 0 , but no avail. Seems that setting text-indent to a negative number does the trick - but is that really the only way to remove the indentation?
...
Should I be using object literals or constructor functions?
...ript are closures we can use private variables and methods and avoid new.
From http://javascript.crockford.com/private.html on private variables in JavaScript.
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How can I move a single directory from a git repository to a new repository whilst maintaining the h
...
You can use git filter-branch to rewrite the history of a project. From the documentation:
To rewrite the repository to look as
if foodir/ had been its project root,
and discard all other history:
git filter-branch --subdirectory-filter foodir -- --all
Make several copies of your...
Prototypical inheritance - writing up [duplicate]
So I have these 2 examples, from javascript.info:
2 Answers
2
...
Drop unused factor levels in a subsetted data frame
...- factor(subdf$letters)
> subdf$letters
[1] a b c
Levels: a b c
EDIT
From the factor page example:
factor(ff) # drops the levels that do not occur
For dropping levels from all factor columns in a dataframe, you can use:
subdf <- subset(df, numbers <= 3)
subdf[] <- lapply(subd...