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How do I interactively unstage a particular hunk in git?

In git, if I have a couple of hunks from the same file staged in my index, how can I interactively unstage one of them? 3 A...
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is_file or file_exists in PHP

I need to check if a file is on HDD at a specified location ($path.$file_name). 5 Answers ...
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A TwoWay or OneWayToSource binding cannot work on the read-only property

...error at runtime. I've set IsEnabled="False" , IsReadOnly="True" - no luck. Other searches say the readonly should fix it, but not for me. I've got an ugly workaround by adding a dummy setter... ...
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MySQL: Order by field size/length

Here is a table structure (e.g. test): 3 Answers 3 ...
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Error: “The node to be inserted is from a different document context”

When I am calling XmlNode.AppendChild() , I get this error: 1 Answer 1 ...
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Representing graphs (data structure) in Python

How can one neatly represent a graph in Python ? (Starting from scratch i.e. no libraries!) What data structure (e.g. dicts/tuples/dict(tuples)) will be fast but also memory efficient? One must be able to do various graph operations on it. As pointed out, the various graph representations...
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How do I dynamically change the content in an iframe using jquery?

... wondering if it is possible to have a site with an iframe and some jquery code that changes the iframe content every 30 seconds. The content is in different webpages. ...
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Member initialization while using delegated constructor

I've started trying out the C++11 standard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this: ...
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Efficiently updating database using SQLAlchemy ORM

I'm starting a new application and looking at using an ORM -- in particular, SQLAlchemy. 6 Answers ...
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Wrapping null-returning method in Java with Option in Scala?

...tring but you don't know whether it will return you a string or a null, because it comes from Java. 4 Answers ...