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Find element's index in pandas Series
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10 Answers
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...tring columnName = String.Empty;
int modulo;
while (dividend > 0)
{
modulo = (dividend - 1) % 26;
columnName = Convert.ToChar(65 + modulo).ToString() + columnName;
dividend = (int)((dividend - modulo) / 26);
}
return columnName;
}
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How can I check if a URL exists via PHP?
How do I check if a URL exists (not 404) in PHP?
22 Answers
22
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What does the caret operator (^) in Python do?
...y one) of the operands (evaluates to) true.
To demonstrate:
>>> 0^0
0
>>> 1^1
0
>>> 1^0
1
>>> 0^1
1
To explain one of your own examples:
>>> 8^3
11
Think about it this way:
1000 # 8 (binary)
0011 # 3 (binary)
---- # APPLY XOR ('vertically')
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How to bind a List to a ComboBox?
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160
As you are referring to a combobox, I'm assuming you don't want to use 2-way databinding (if so,...
Remove characters from C# string
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answered Sep 14 '11 at 5:03
Albin SunnanboAlbin Sunnanbo
43.5k88 gold badges6363 silver badges100100 bronze badges
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Dictionaries and default values
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edited Jan 23 '19 at 5:30
Solomon Ucko
2,42022 gold badges1212 silver badges2727 bronze badges
answere...
How to reliably open a file in the same directory as a Python script
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203
I always use:
__location__ = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__...
ValueError: math domain error
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edited Sep 3 '17 at 20:49
answered Apr 8 '13 at 23:06
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Does C have a “foreach” loop construct?
...#define foreach(item, array) \
for(int keep = 1, \
count = 0,\
size = sizeof (array) / sizeof *(array); \
keep && count != size; \
keep = !keep, count++) \
for(item = (array) + count; keep; keep = !keep)
And can be used like
int values[] =...