lowercase

问题 Why do the following three characters have not symmetric toLower , toUpper results /** * Written in the Scala programming language, typed into the Scala REPL. * Results commented accordingly. */ /* Unicode Character 'LATIN CAPITAL LETTER SHARP S' (U+1E9E) */ '\u1e9e'.toHexString == "1e9e" // true '\u1e9e'.toLower.toHexString == "df" // "df" == "df" '\u1e9e'.toHexString == '\u1e9e'.toLower.toUpper.toHexString // "1e9e" != "df" /* Unicode Character 'KELVIN SIGN' (U+212A) */ '\u212a'.toHexString

问题 I'm looking specifically for a way to automatically hyphenate CamelCase actions and views. That is, I'm hoping I don't have to actually rename my views or add decorators to every ActionResult in the site. So far, I've been using routes.MapRouteLowercase , as shown here. That works pretty well for the lowercase aspect of URL structure, but not hyphens. So I recently started playing with Canonicalize (install via NuGet), but it also doesn't have anything for hyphens yet. I was trying... routes

问题 #input my_string = 'abcdefgABCDEFGHIJKLMNOP' how would one extract all the UPPER from a string? #output my_upper = 'ABCDEFGHIJKLMNOP' 回答1: Using list comprehension: >>> s = 'abcdefgABCDEFGHIJKLMNOP' >>> ''.join([c for c in s if c.isupper()]) 'ABCDEFGHIJKLMNOP' Using generator expression: >>> ''.join(c for c in s if c.isupper()) 'ABCDEFGHIJKLMNOP You can also do it using regular expressions: >>> re.sub('[^A-Z]', '', s) 'ABCDEFGHIJKLMNOP' 回答2: import string s = 'abcdefgABCDEFGHIJKLMNOP' s

问题 How should I convert a post title to a slug in Ruby? The title can have any characters, but I only want the slug to allow [a-z0-9-_] (Should it allow any other characters?). So basically: downcase all letters convert spaces to hyphens delete extraneous characters 回答1: slug = title.downcase.strip.gsub(' ', '-').gsub(/[^\w-]/, '') downcase makes it lowercase. The strip makes sure there is no leading or trailing whitespace. The first gsub replaces spaces with hyphens. The second gsub removes all

问题 I am new to Python. I am writing a program that distinguishes whether or not a word starts with a vowel. The problem is, that the program is only able to correctly handle uppercase letters as input. For example, if I provide the word "Apple" as input, the result is True ; however, if the word "apple" is provided as input, the result is False . How do I fix it? word = input ("Please Enter a word:") if (word [1] =="A") : print("The word begins with a vowel") elif (word [1] == "E") : print("The

问题 I need to translate the address: www.example.com/TEST in ---> www.example.com/test 回答1: Yes, you are going to need perl. If you are using Ubuntu, instead of apt-get install nginx-full, use apt-get install nginx-extras, which will have the embedded perl module. Then, in your configuration file: http { ... # Include the perl module perl_modules perl/lib; ... # Define this function perl_set $uri_lowercase 'sub { my $r = shift; my $uri = $r->uri; $uri = lc($uri); return $uri; }'; ... server { ...

问题 I have to rename a complete folder tree recursively so that no uppercase letter appears anywhere (it's C++ source code, but that shouldn't matter). Bonus points for ignoring CVS and Subversion version control files/folders. The preferred way would be a shell script, since a shell should be available on any Linux box. There were some valid arguments about details of the file renaming. I think files with the same lowercase names should be overwritten; it's the user's problem. When checked out

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . My code is here: char* kropecka(char* tab) { int a=0,b=0; char* zwr; zwr=(char*)malloc(30*sizeof(char)); for(a;strlen(tab);a++) { if(tab[a]!='.') { if(isupper(tab[a])) zwr[b]=tolower(tab[a]); if(islower(tab[a]))

问题 How do I convert a string to Upper and to Lower case in Turbo Prolog. string_upper and string_lower function is for SWI Prolog, I found something like, tolower([], []). tolower([Upper|UpperTail], [Lower|LowerTail]) :- char_type(Lower, to_lower(Upper)), tolower(UpperTail, LowerTail). But didn't get what exactly it is. Can anyone help me solve this. 回答1: I did it using upper_lower(), write("Enter string to convert\n"), readln(Str1), upper_lower(Str1,Low), write("In lower case "), write(Low),nl,

问题 I don't understand this error... I've already turned df into lowercase before turning it into a list dataframe: all_cols 0 who is your hero and why 1 what do you do to relax 2 this is a hero 4 how many hours of sleep do you get a night 5 describe the last time you were relax Code: from sklearn.cluster import MeanShift from sklearn.pipeline import Pipeline from sklearn.preprocessing import FunctionTransformer from sklearn.feature_extraction.text import TfidfVectorizer df['all_cols'] = df['all