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Correct way to define Python source code encoding
...g: UTF-8" matches.
PEP provides some examples:
#!/usr/bin/python
# vim: set fileencoding=<encoding name> :
# This Python file uses the following encoding: utf-8
import os, sys
share
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Replace comma with newline in sed on MacOS?
I have a file of id's that are comma separated. I'm trying to replace the commas with a new line. I've tried:
13 Answers
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What does the git index contain EXACTLY?
...th the content of a commit.
When you switch branch, the index content is reset to the commit referenced by the branch you just switched to.
Git 2.20 (Q4 2018) adds an Index Entry Offset Table (IEOT):
See commit 77ff112, commit 3255089, commit abb4bb8, commit c780b9c, commit 3b1d9e0, commit 371ed0d ...
Multiple queries executed in java in single statement
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Yes it is possible. There are two ways, as far as I know. They are
By setting database connection property to allow multiple queries,
separated by a semi-colon by default.
By calling a stored procedure that returns cursors implicit.
Following examples demonstrate the above two possibilities. ...
event.returnValue is deprecated. Please use the standard event.preventDefault() instead
....0.3 (most recent stable as of this comment), and the current milestone is set to 2.1, for the fix.
– counterbeing
Dec 9 '13 at 21:18
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Which Java Collection should I use?
...ead safety etc or the legacy collections, but it does cover the 3 standard Sets, 3 standard Maps and 2 standard Lists.
This image was created for this answer and is licensed under a Creative Commons Attribution 4.0 International License. The simplest attribution is by linking to either this quest...
SQL to determine minimum sequential days of access?
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Okay here's my serious answer:
DECLARE @days int
DECLARE @seconds bigint
SET @days = 30
SET @seconds = (@days * 24 * 60 * 60) - 1
SELECT DISTINCT UserId
FROM (
SELECT uh1.UserId, Count(uh1.Id) as Conseq
FROM UserHistory uh1
INNER JOIN UserHistory uh2 ON uh2.CreationDate
BETWEE...
How to get exit code when using Python subprocess communicate method?
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Popen.communicate will set the returncode attribute when it's done(*). Here's the relevant documentation section:
Popen.returncode
The child return code, set by poll() and wait() (and indirectly by communicate()).
A None value indicates that...
Extracting text OpenCV
I am trying to find the bounding boxes of text in an image and am currently using this approach:
10 Answers
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Correct use of transactions in SQL Server
...S ('Tidd130', 130), ('Tidd230', 230)
UPDATE [Test].[dbo].[T1]
SET [Title] = N'az2' ,[AVG] = 1
WHERE [dbo].[T1].[Title] = N'az'
COMMIT TRANSACTION [Tran1]
END TRY
BEGIN CATCH
ROLLBACK TRANSACTION [Tran1]
END CATCH
...