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Does reading an entire file leave the file handle open?
...
Instead of retrieving the file content as a single string,
it can be handy to store the content as a list of all lines the file comprises:
with open('Path/to/file', 'r') as content_file:
content_list = content_file.read().strip().split("\n")
As can be seen, one needs t...
Comparing two dictionaries and checking how many (key, value) pairs are equal
...th possibly different attribute values as in the example). However, if an "extra" attribute is present is one of the dicts, json.dumps() fails with
TypeError: Object of type PrettyOrderedSet is not JSON serializable
Solution: use diff.to_json() and json.loads() / json.dumps() to pretty-print:
im...
What does the `forall` keyword in Haskell/GHC do?
... b)
ghci> liftTup (\x -> [x]) (5, "Hello")
No instance for (Num [Char])
...
ghci> -- huh?
ghci> :t liftTup
liftTup :: (t -> t1) -> (t, t) -> (t1, t1)
"Hmm.. why does GHC infer that the tuple must contain two of the same type? Let's tell it they don't have to be"
-- te...
Does C# have an equivalent to JavaScript's encodeURIComponent()?
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Uri.EscapeDataString or HttpUtility.UrlEncode is the correct way to escape a string meant to be part of a URL.
Take for example the string "Stack Overflow":
HttpUtility.UrlEncode("Stack Overflow") --> "Stack+Overflow"
Uri.EscapeUriSt...
Is it possible to implement a Python for range loop without an iterator variable?
...'myapplication')
_ = gettext.gettext
# ...
print _('This is a translatable string.')
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Pointers in C: when to use the ampersand and the asterisk?
... the pointer. But things work differently when you're working with arrays, strings or when you're calling functions with a pointer copy of a variable. It's difficult to see a pattern of logic inside all of this.
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Implement touch using Python?
...'atime', c_timespec), ('mtime', c_timespec)]
utimens = CFUNCTYPE(c_int, c_char_p, POINTER(c_utimbuf))
futimens = CFUNCTYPE(c_int, c_char_p, POINTER(c_utimbuf))
# from /usr/include/i386-linux-gnu/bits/stat.h
UTIME_NOW = ((1l << 30) - 1l)
UTIME_OMIT = ((1l << 30) - 2l)
now = c_timespe...
What character to use to put an item at the end of an alphabetic list?
... here is some code that creates a bunch of folders with all the printables strings in Python so you can test your file manager.
import os
import string
for i in string.printable:
try:
os.mkdir(i)
except OSError:
print('OSError for %s' %(I))
Once you have sorte...
How to remove first 10 characters from a string?
How to ignore the first 10 characters of a string?
12 Answers
12
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What is a lambda expression in C++11?
...n false ; return true ; }()) // i is all whitespace, assuming i is an std::string
– Blacklight Shining
Mar 2 '13 at 1:13
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