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How to programmatically get iOS status bar height

I know that currently the status bar (with the time, battery, and network connection) at the top of the iPhone/iPad is 20 pixels for non-retina screens and 40 pixels for retina screens, but to future proof my app I would like to be able to determine this without hard coding values. Is it possible to...
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MSSQL Error 'The underlying provider failed on Open'

I was using an .mdf for connecting to a database and entityClient . Now I want to change the connection string so that there will be no .mdf file. ...
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Possible to iterate backwards through a foreach?

I know I could use a for statement and achieve the same effect, but can I loop backwards through a foreach loop in C#? ...
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Javascript set img src

...appendChild(image); REMARK: One point is that Javascript community right now encourages developers to use document selectors such as querySelector, getElementById and getElementsByClassName rather than document["pic1"]. sh...
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Why cast unused return values to void?

...s the motivation for this, to explicitly show other "developers" that you know this function returns but you're explicitly ignoring it. This is a way to ensure that where necessary error codes are always handled. I think for C++ this is probably the only place that I prefer to use C-style casts to...
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How to see the changes in a Git commit?

... diff COMMIT I see the changes between that commit and HEAD (as far as I know), but I would like to see the changes that were made by that single commit. ...
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Google Guava vs. Apache Commons [closed]

... In my opinion the better choice is Guava (formerly known as Google collections): it's more modern (has generics) it absolutely follows the Collections API requirements it's actively maintained CacheBuilder and it's predecessor MapMaker are just plain awesome Apache Commons...
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argparse store false if unspecified

...y#l861 The argparse docs aren't clear on the subject, so I'll update them now: http://hg.python.org/cpython/rev/49677cc6d83a share | improve this answer | follow ...
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Check if database exists in PostgreSQL using shell

... Just now seeing this, nice – vol7ron Feb 3 '14 at 4:14 1 ...
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How to position one element relative to another with jQuery?

... NOTE: This requires jQuery UI (not just jQuery). You can now use: $("#my_div").position({ my: "left top", at: "left bottom", of: this, // or $("#otherdiv") collision: "fit" }); For fast positioning (jQuery UI/Position). You can download jQue...