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Cast a Double Variable to Decimal
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@Cortana: The precision of a decimal is higher, but the range is smaller. A double value may be out of range for a decimal. See: stackoverflow.com/questions/7817866/…
– Guffa
Aug 14 '14 at 18:59
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How to get the caret column (not pixels) position in a textarea, in characters, from the start?
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return 0;
}
var c = "\001",
sel = document.selection.createRange(),
dul = sel.duplicate(),
len = 0;
dul.moveToElementText(node);
sel.text = c;
len = dul.text.indexOf(c);
sel.moveStart('character',-1);
sel.text = "";
return len;
}
(complete code here)
I als...
How do you see the entire command history in interactive Python?
... readline; print('\n'.join([str(readline.get_history_item(i + 1)) for i in range(readline.get_current_history_length())]))
(Or longer version...)
import readline
for i in range(readline.get_current_history_length()):
print (readline.get_history_item(i + 1))
Python 2
One-liner (quick copy a...
How can I extract a predetermined range of lines from a text file on Unix?
...ying a line number will match only that line in the input.
An address range can be specified by specifying two addresses
separated by a comma (,). An address range matches lines starting from
where the first address matches, and continues until the second
address matches (inclusively).
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How to get Vim to highlight non-ascii characters?
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Using range in a [] character class in your search, you ought to be able to exclude the ASCII hexadecimal character range, therefore highlighting (assuming you have hlsearch enabled) all other characters lying outside the ASCII ran...
Where are my postgres *.conf files?
..._delay = 200ms # 1-10000 milliseconds
#commit_delay = 0 # range 0-100000, in microseconds
#commit_siblings = 5 # range 1-1000
# - Checkpoints -
#checkpoint_segments = 3 # in logfile segments, min 1, 16MB each
#checkpoint_timeout = 5min # range 30s-1h
#checkp...
Python memoising/deferred lookup property decorator
... @lazyprop
def a(self):
print 'generating "a"'
return range(5)
Interactive session:
>>> t = Test()
>>> t.__dict__
{}
>>> t.a
generating "a"
[0, 1, 2, 3, 4]
>>> t.__dict__
{'_lazy_a': [0, 1, 2, 3, 4]}
>>> t.a
[0, 1, 2, 3, 4]
...
Python to print out status bar and percentage
....Bar('=', '[', ']'), ' ', progressbar.Percentage()])
bar.start()
for i in xrange(20):
bar.update(i+1)
sleep(0.1)
bar.finish()
To install it, you can use easy_install progressbar, or pip install progressbar if you prefer pip.
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Alternative to google finance api [closed]
...,
#["noname", ["g4", "Holdings Gain"]],
#["noname", ["m", "Day’s Range"]],
#["noname", ["g5", "Holdings Gain Percent (Realtime)"]],
#["noname", ["m2", "Day’s Range (Realtime)"]],
#["noname", ["g6", "Holdings Gain (Realtime)"]],
#["noname", ["k", "52 Week High"]],
#["n...
What does “hashable” mean in Python?
...st of immutable types:
int, float, decimal, complex, bool, string, tuple, range, frozenset, bytes
List of mutable types:
list, dict, set, bytearray, user-defined classes
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