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Why is this inline-block element pushed downward?

Following is my code and I want to understand that why #firstDiv is being pushed downward by all browsers. I really want to understand the inner workings of the fact that why its being pushed downward rather than pulling it upward by one way or another. (and I know how to align their tops :)) ...
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How do I view 'git diff' output with my preferred diff tool/ viewer?

When I type git diff , I want to view the output with my visual diff tool of choice (SourceGear "diffmerge" on Windows). How do I configure git to do this? ...
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How to add an empty column to a dataframe?

What's the easiest way to add an empty column to a pandas DataFrame object? The best I've stumbled upon is something like ...
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Android: upgrading DB version and adding new table

I've already created sqlite tables for my app, but now I want to add a new table to the database. 5 Answers ...
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Error “can't use subversion command line client : svn” when opening android project checked out from

I'm new to Android development and the development tools around it. I have checked out a project from svn using TortoiseSVN client (can't manage to do it from within Android Studio), then get this error message after importing the project to Android Studio: ...
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What is the purpose of the implicit grant authorization type in OAuth 2?

...spec many times over and perused the mailing list archives, and I have yet to find a good explanation of why the Implicit Grant flow for obtaining access tokens has been developed. Compared to the Authorization Code Grant, it seems to just give up on client authentication for no very compelling reas...
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How to delete multiple files at once in Bash on Linux?

...on, like so: $ rm -rf abc.log.2012-03-{14,27,28} The above would expand to a single command with all three arguments, and be equivalent to typing: $ rm -rf abc.log.2012-03-14 abc.log.2012-03-27 abc.log.2012-03-28 It's important to note that this expansion is done by the shell, before rm is eve...
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Array extension to remove object by value

... As of Swift 2, this can be achieved with a protocol extension method. removeObject() is defined as a method on all types conforming to RangeReplaceableCollectionType (in particular on Array) if the elements of the collection are Equatable: extension RangeReplaceableColl...
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Why is “using namespace std;” considered bad practice?

I've been told by others that writing using namespace std; in code is wrong, and that I should use std::cout and std::cin directly instead. ...
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Do I need to heartbeat to keep a TCP connection open?

.... There can only ever be one connection at any time (though that is aside to this question). A senior developer at my company has said I need to use application level heartbeats between the two components to ensure the connection stays open. ...