Uncaught TypeError: Cannot read property ‘split’ of undefined
Your question answers itself 😉 If og_date contains the date, it’s probably a string, so og_date.value is undefined. Simply use og_date.split(‘-‘) instead of og_date.value.split(‘-‘)
split
Split string into two parts only [duplicate]
You could use a,b = split(‘ ‘, 1). The second argument 1 is the maximum number of splits that would be done. s=”abcd efgh hijk” a,b = s.split(‘ ‘, 1) print(a) #abcd print(b) #efgh hijk For more information on the string split function, see str.split in the manual.
Insert a string before the extension in a filename
If we assume that an extension is any series of letters, numbers, underscore or dash after the last dot in the file name, then: filename = filename.replace(/(\.[\w\d_-]+)$/i, ‘_large$1’);
How can I split a large file csv file (7GB) in Python
You don’t need Python to split a csv file. Using your shell: $ split -l 100 data.csv Would split data.csv in chunks of 100 lines.
how to continuously display a file of its last several lines of contents
I use this function all the time to monitor a log file in another terminal window. tail -f <filename> I recommend taking it a step forward to look for particular text in the log. Great if you are only interested in seeing some particular entry being written to the file. tail -f <filename> | grep … Read more
How to split a CamelCase string in its substrings in Ruby?
s=”nowIsTheTime” s.split /(?=[A-Z])/ => [“now”, “Is”, “The”, “Time”] ?=pattern is an example of positive lookahead. It essentially matches a point in the string right before pattern. It doesn’t consume the characters, that is, it doesn’t include pattern as part of the match. Another example: irb> ‘streets’.sub /t(?=s)/, ‘-‘ => “stree-s” In this case the s … Read more
What if the string in the Java split is not found
You get an array of size 1 holding the original value: Input Output —– —— thirty-two {“thirty”, “two”} five {“five”} You can see this in action in the following program: class Test { static void checkResult (String input) { String [] arr = input.split (“\\-“); System.out.println (“Input : ‘” + input + “‘”); System.out.println (” … Read more
How do I specify where to save files that result from running the unix split command?
How about: $ split -b 10 input.txt xxx/split-file or $ split -b 10 input.txt /tmp/split-file Just include the output directory in the prefix specification. Keep in mind that the directory must be created beforehand.
What does regular expression \\s*,\\s* do?
That regex “\\s*,\\s*” means: \s* any number of whitespace characters a comma \s* any number of whitespace characters which will split on commas and consume any spaces either side