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Copy to clipboard in Node.js?
...oc.stdin.write(data); proc.stdin.end();
}
write() can take a buffer or a string. The default encoding for a string will be utf-8.
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Cloning an Object in Node.js
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Possibility 1
Low-frills deep copy:
var obj2 = JSON.parse(JSON.stringify(obj1));
Possibility 2 (deprecated)
Attention: This solution is now marked as deprecated in the documentation of Node.js:
The util._extend() method was never intended to be used outside of internal Node.js modules....
What is the difference between localStorage, sessionStorage, session and cookies?
...ilities, cookies, sessionStorage, and localStorage only allow you to store strings - it is possible to implicitly convert primitive values when setting (these will need to be converted back to use them as their type after reading) but not Objects or Arrays (it is possible to JSON serialise them to s...
Create a dictionary with list comprehension
...er and its corresponding position in english alphabet
>>> import string
>>> dict1 = {value: (int(key) + 1) for key, value in
enumerate(list(string.ascii_lowercase))}
>>> dict1
{'a': 1, 'c': 3, 'b': 2, 'e': 5, 'd': 4, 'g': 7, 'f': 6, 'i': 9, 'h': 8,
'k': 11, 'j': 10, 'm'...
How to set the current working directory? [duplicate]
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@Pooja25 The path must be a string. in addition, chdir expects a directory name, but you are specifying a file.
– mwil.me
Jan 14 '16 at 1:25
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Force R not to use exponential notation (e.g. e+10)?
...hout having to muck about in R settings.
Note that it returns a character string rather than a number object
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MySQL and GROUP_CONCAT() maximum length
...g GROUP_CONCAT() in a MySQL query to convert multiple rows into a single string.
However, the maximum length of the result of this function is 1024 characters.
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What are the big improvements between guava and apache equivalent libraries?
We currently use apache collections, string utils, etc. I need to decide if we should switch from the apache foundations implementation.
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Remove blank lines with grep
...explain. For instance your regular expression matches the beginning of the string then one or more spaces using the POSIX standard then the end of the string, i.e. with grep -v it removes all lines that are only spaces. Right? What happens if there are no spaces; it's simply a newline character?
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What is the difference between shallow copy, deepcopy and normal assignment operation?
...is statement is true only for mutable objects and not immutable types like string, float, tuples.
– Neerav
May 7 '14 at 0:03
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