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Reading Excel files from C#
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var fileName = string.Format("{0}\\fileNameHere", Directory.GetCurrentDirectory());
var connectionString = string.Format("Provider=Microsoft.Jet.OLEDB.4.0; data source={0}; Extended Properties=Excel 8.0;", fileName);
var adapter = new OleDbDataAdapter("SE...
What is the purpose of the : (colon) GNU Bash builtin?
...nds. true was instead simply aliased to :, and false to something like let 0.
: is slightly better than true for portability to ancient Bourne-derived shells. As a simple example, consider having neither the ! pipeline operator nor the || list operator (as was the case for some ancient Bourne shell...
Async/await vs BackgroundWorker
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edited Sep 13 '12 at 21:08
answered Sep 13 '12 at 20:55
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case-insensitive list sorting, without lowercasing the result?
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202
In Python 3.3+ there is the str.casefold method that's specifically designed for caseless match...
Printing hexadecimal characters in C
...ur case), your chars are being promoted to int via sign-extension.
Since c0 and 80 have a leading 1-bit (and are negative as an 8-bit integer), they are being sign-extended while the others in your sample don't.
char int
c0 -> ffffffc0
80 -> ffffff80
61 -> 00000061
Here's a solution:...
Get most recent file in a directory on Linux
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edited Jun 18 '09 at 23:19
answered Jun 18 '09 at 23:17
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Pandas count(distinct) equivalent
...CODE.nunique()
Example:
In [2]: table
Out[2]:
CLIENTCODE YEARMONTH
0 1 201301
1 1 201301
2 2 201301
3 1 201302
4 2 201302
5 2 201302
6 3 201302
In [3]: table.groupby('YEARMONTH').CLIENTCODE.nun...
Angular ng-repeat Error “Duplicates in a repeater are not allowed.”
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10 Answers
10
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Find the files existing in one directory but not in the other [closed]
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390
votes
diff -r dir1 dir2 | grep dir1 | awk '{print $4}' > difference1.txt
Expla...
Python: how to print range a-z?
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answered Jul 6 '10 at 21:01
John La RooyJohn La Rooy
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