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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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MongoDB: How to query for records where field is null or not set?
I have an Email document which has a sent_at date field:
6 Answers
6
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What is the difference between encode/decode?
I've never been sure that I understand the difference between str/unicode decode and encode.
6 Answers
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Where does this come from: -*- coding: utf-8 -*-
Python recognizes the following as instruction which defines file's encoding:
4 Answers
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Create array of symbols
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The original answer was written back in September '11, but, starting from Ruby 2.0, there is a shorter way to create an array of symbols! This literal:
%i[address city state postal country]
will do exactly what you want.
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What does -XX:MaxPermSize do?
Specifically, why would it help to fix a PermGen OutOfMemoryError issue?
3 Answers
3
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Get TransactionScope to work with async / await
I'm trying to integrate async / await into our service bus.
I implemented a SingleThreadSynchronizationContext based on this example http://blogs.msdn.com/b/pfxteam/archive/2012/01/20/10259049.aspx .
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How does OpenID authentication work?
I am a little curious to know about how OpenID authentication works.
4 Answers
4
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How add “or” in switch statements?
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By stacking each switch case, you achieve the OR condition.
switch(myvar)
{
case 2:
case 5:
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break;
case 7:
case 12:
...
break;
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}
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How can I do SELECT UNIQUE with LINQ?
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The Distinct() is going to mess up the ordering, so you'll have to the sorting after that.
var uniqueColors =
(from dbo in database.MainTable
where dbo.Property == true
select dbo.Color.Name).Distinct().Or...