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How do you move a commit to the staging area in git?
If you want to move a commit to the staging area - that is uncommit it and move all of the changes which were in it into the staging area (effectively putting the branch in the state that it would have been in prior to the commit) - how do you do it? Or is it something that you can't do?
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How to run script as another user without password?
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Call visudo and add this:
user1 ALL=(user2) NOPASSWD: /home/user2/bin/test.sh
The command paths must be absolute! Then call sudo -u user2 /home/user2/bin/test.sh from a user1 shell. Done.
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Git: Ignore tracked files
...I don't want to untrack them, I just don't want them to appear as modified and I don't want them to be staged when I git add.
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How to add an email attachment from a byte array?
...based attachments, I needed to dispose the attachment object to release a handle on the file. Surely the stream should be taken care of by GC, because its not an IO operation?
– JL.
Apr 6 '10 at 10:14
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SQL Server - When to use Clustered vs non-Clustered Index?
I know primary differences between clustered and non clustered indexes and have an understanding of how they actually work. I understand how clustered and non-clustered indexes improve read performance. But one thing I am not sure is that what would be the reasons where I would choose one over the o...
CSS vertical alignment of inline/inline-block elements
I'm trying to get several inline and inline-block components aligned vertically in a div . How come the span in this example insists on being pushed down? I've tried both vertical-align:middle; and vertical-align:top; , but nothing changes.
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Where does this come from: -*- coding: utf-8 -*-
... answered Feb 2 '11 at 8:33
Andrea SpadacciniAndrea Spadaccini
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Get TransactionScope to work with async / await
... MSDN, it enables transaction flow across thread continuations.
My understanding is that it is meant to allow you to write code like this:
// transaction scope
using (var scope = new TransactionScope(... ,
TransactionScopeAsyncFlowOption.Enabled))
{
// connection
using (var connection = new ...
How to get Top 5 records in SqLite?
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+2 for both the correct answer, and for not including uncool square brackets.
– Reversed Engineer
Oct 2 '17 at 14:20
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switch() statement usage
...ue again. It seems switch is generally faster than if statements.
So that, and the fact that the code is shorter/neater with a switch statement leans in favor of switch:
# Simplified to only measure the overhead of switch vs if
test1 <- function(type) {
switch(type,
mean = 1,
m...