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Positioning element at center of screen

I want to position a <div> (or a <table> ) element at the center of the screen irrespective of screen size. In other words, the space left on 'top' and 'bottom' should be equal and space left on 'right' and 'left' sides should be equal. I would like to accomplish this with only CSS. ...
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How to “comment-out” (add comment) in a batch/cmd?

I have a batch file that runs several python scripts that do table modifications. 10 Answers ...
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undefined reference to `WinMain@16'

... Building without that semi-documented flag one would have to more specifically tell the linker which subsystem value one desires, and some Windows API import libraries will then in general have to be specified explicitly: C:\test> gnuc x.cpp -Wl,-subsystem,windows C:\test> objdump -x a.exe...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

...t is both commutative and associative. This means the operation can be parallelized. This distinction is very important for Big Data / MPP / distributed computing, and the entire reason why reduce even exists. The collection can be chopped up and the reduce can operate on each chunk, then the red...
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Python: Bind an Unbound Method?

In Python, is there a way to bind an unbound method without calling it? 5 Answers 5 ...
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How to serve static files in Flask

...ample below, I have moved my templates and static files into a sub-folder called web. app = Flask(__name__, static_url_path='', static_folder='web/static', template_folder='web/templates') static_url_path='' removes any preceding path from the URL (i.e. the d...
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Python list directory, subdirectory, and files

I'm trying to make a script to list all directory, subdirectory, and files in a given directory. I tried this: 7 Answers ...
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How to maintain a Unique List in Java?

...mathematical set abstraction. Note: Great care must be exercised if mutable objects are used as set elements. The behavior of a set is not specified if the value of an object is changed in a manner that affects equals comparisons while the object is an element in the set. A special case of this...
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UIButton Image + Text IOS

... I see very complicated answers, all of them using code. However, if you are using Interface Builder, there is a very easy way to do this: Select the button and set a title and an image. Note that if you set the background instead of the image then the ima...
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HTML5 Email Validation

...e="Submit"> </form> And when the user press submit, it automatically shows an error message like: share | improve this answer | follow | ...