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Regex for splitting a string using space when not surrounded by single or double quotes
...g the overall regex match if the capturing group didn't match (an unquoted word was matched).
List<String> matchList = new ArrayList<String>();
Pattern regex = Pattern.compile("[^\\s\"']+|\"([^\"]*)\"|'([^']*)'");
Matcher regexMatcher = regex.matcher(subjectString);
while (regexMatcher....
Replacing instances of a character in a string
...ith a respective char at a given index, if you wish not to use .replace()
word = 'python'
index = 4
char = 'i'
word = word[:index] + char + word[index + 1:]
print word
o/p: pythin
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improv...
Emacs on Mac OS X Leopard key bindings
...e are the key bindings, for moving around text:
⌥ + ← - move left one word
⌥ + → - move right one word
⌥ + delete - back delete one word
Shift + ⌥ + delete - foward delete one word
⌥ + ↑ - move up one paragraph
⌥ + ↓ - move down one paragraph
⌘ + ← - move to start of current...
Pandas DataFrame Groupby two columns and get counts
...ONE','ONE','TWO','ONE','TWO','ONE','THREE']]).T
df.columns = [['Alphabet','Words']]
print(df) #printing dataframe.
This is our printed data:
For making a group of dataframe in pandas and counter,
You need to provide one more column which counts the grouping, let's call that column as, "COUNT...
How to use sed/grep to extract text between two words?
I am trying to output a string that contains everything between two words of a string:
12 Answers
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Capturing multiple line output into a Bash variable
...e, whereas (2) creates a potentially very long single line of output with 'words' separated by single spaces (where a 'word' is a sequence of non-whitespace characters; there needn't be any alphanumerics in any of the words).
...
How do I concatenate const/literal strings in C?
...;
#include <string.h>
void example(const char *header, const char **words, size_t num_words)
{
size_t message_len = strlen(header) + 1; /* + 1 for terminating NULL */
char *message = (char*) malloc(message_len);
strncat(message, header, message_len);
for(int i = 0; i < num...
Check if a Bash array contains a value
...i
Note that in cases where the value you are searching for is one of the words in an array element with spaces, it will give false positives. For example
array=("Jack Brown")
value="Jack"
The regex will see "Jack" as being in the array even though it isn't. So you'll have to change IFS and th...
How do I convert a Ruby class name to a underscore-delimited symbol?
...s defined in ActiveSupport::Inflector):
class String
def underscore
word = self.dup
word.gsub!(/::/, '/')
word.gsub!(/([A-Z]+)([A-Z][a-z])/,'\1_\2')
word.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
word.tr!("-", "_")
word.downcase!
word
end
end
...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
...commend the Google HTML/CSS Style Guide
It specifically states:
Separate words in ID and class names by a hyphen. Do not concatenate words and abbreviations in selectors by any characters (including none at all) other than hyphens, in order to improve understanding and scannability.
/* Not recomm...