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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 add Options Menu to Fragment in Android
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MongoDB: How to query for records where field is null or not set?
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You need to use a Theme.AppCompat theme (or descendant) with this activity
...y the dialog theme to is extending ActionBarActivity which requires the AppCompat theme to be applied.
Update: Extending AppCompatActivity would also have this problem
In this case, change the Java inheritance from ActionBarActivity to Activity and leave the dialog theme in the manifest as it ...
What does -XX:MaxPermSize do?
.... If so, the maximum permanent generation size can
be increased with the command-line option -XX:MaxPermSize=.
Note that this other Oracle documentation lists the other HotSpot arguments.
Update : Starting with Java 8, both the permgen space and this setting are gone. The memory model used for ...
Angularjs minify best practice
I'm reading http://www.alexrothenberg.com/2013/02/11/the-magic-behind-angularjs-dependency-injection.html and
it turned out that angularjs dependency injection has problems if you minify your javascript
so I'm wondering if instead of
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How can I do SELECT UNIQUE with LINQ?
...at goes in the .OrderBy() parameters. You have name=>name. Is that name coming from the column name in the DB? Because we have dbo.Color.Name then just name=>name which hints to me it is not the column name ? Bizarre it also sorts properly if I just change that to .OrderBy(a=>a)
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What is a “Bitmap heap scan” in a query plan?
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The best explanation comes from Tom Lane, which is the algorithm's author unless I'm mistaking. See also the wikipedia article.
In short, it's a bit like a seq scan. The difference is that, rather than visiting every disk page, a bitmap index sc...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
... delimited list of operands, but a single expression.
Read more about the comma operator here.
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