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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...: <!-- language: c# --> public static string GetColumnName(int index) // zero-based { const byte BASE = 'Z' - 'A' + 1; string name = String.Empty; do { name = Convert.ToChar('A' + index % BASE) + name; index = index / BASE - 1; } while (index >= 0); return name;...
Array Length in Java
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It contains the allocated size, 10. The unassigned indexes will contain the default value which is 0 for int.
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Why doesn't git recognize that my file has been changed, therefore git add not working
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I had a problem where once upon a time I set the git index to 'assume unchanged' on my file.
You can tell git to stop ignoring changes to the file with:
git update-index --no-assume-unchanged path/to/file
If that doesn't help a reset may be enough for other weird cases.
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
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Greate if you dont need that column indexed and its relatively small, but i can do this trick for all my columns though
– shareef
Sep 8 '18 at 15:56
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How do I toggle an element's class in pure JavaScript?
...Name){
return;
}
var classString = element.className, nameIndex = classString.indexOf(className);
if (nameIndex == -1) {
classString += ' ' + className;
}
else {
classString = classString.substr(0, nameIndex) + classString.substr(nameIndex+className.lengt...
python dataframe pandas drop column using int
...('column name', axis=1). Is there a way to drop a column using a numerical index instead of the column name?
9 Answers
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
What are differences between segment trees, interval trees, binary indexed trees and range trees in terms of:
2 Answers
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Handle file download from ajax post
...ent). I can easily detect Content-Type and Content-Disposition in my ajax call, but once I detect that the response contains a file, how do I offer the client to download it? I've read a number of similar threads here but none of them provide the answer I'm looking for.
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Pretty-print an entire Pandas Series / DataFrame
...ations from string import ascii_letters df = pd.DataFrame(data=[[0]*1326], index=[0], columns=[(a+b) for a,b in combinations(ascii_letters, 2)])
– Andrey Shokhin
Nov 2 '16 at 11:04
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What are “first class” objects?
...oordiv__', '__getattribute__', '__getnewargs__', '__hash__', '__hex__', '__index__', '__init__', '__int__', '__invert__', '__long__', '__lshift__', '__mod__', '__mul__', '__neg__', '__new__', '__nonzero__', '__oct__', '__or__', '__pos__', '__pow__', '__radd__', '__rand__', '__rdiv__', '__rdivmod__',...