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Why is vertical-align: middle not working on my span or div?

I'm trying to vertically center a span or div element within another div element. However when I put vertical-align: middle , nothing happens. I've tried changing the display properties of both elements, and nothing seems to work. ...
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Keyboard shortcut to change font size in Eclipse?

...d Fonts preference page, the commands persistently change the font size in all editors of the same type. If the editor type's font is configured to use a default font, then that default font will be zoomed. So, the font size change is not limited to the current file and the new value of the font s...
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How to create a file with a given size in Linux?

... Oh, that might be more efficient than my approach because it does it all in one block. Good idea. – Paul Tomblin Sep 26 '08 at 13:02 10 ...
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Stop jQuery .load response from being cached

... All this cache: false does is append a number (I believe its a timestamp) to the end of a url when making the request. The other place to handle the cache settings are from the server or web app by setting various HTTP respo...
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How do I create a round cornered UILabel on the iPhone?

...ke the UILabel or, in my case, UITextView, a subview inside of it. Specifically: Create a UIView subclass and name it something like RoundRectView. In RoundRectView's drawRect: method, draw a path around the bounds of the view using Core Graphics calls like CGContextAddLineToPoint() for the edges ...
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List all tables in postgresql information_schema

What is the best way to list all of the tables within PostgreSQL's information_schema? 8 Answers ...
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Search and replace a line in a file in Python

... I guess something like this should do it. It basically writes the content to a new file and replaces the old file with the new file: from tempfile import mkstemp from shutil import move, copymode from os import fdopen, remove def replace(file_path, pattern, subst): #Cr...
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Sockets: Discover port availability using Java

How do I programmatically determine the availability of a port in a given machine using Java? 10 Answers ...
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How to add JTable in JPanel with null layout?

...iety of components into a frame to demonstrate how to use nested layouts. All the layouts that are explicitly set are shown as a titled-border for the panel on which they are used. Notable aspects of the code are: There is a combo-box to change PLAF (Pluggable Look and Feel) at run-time. The GUI...
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor

I have installed Oracle 11g Express Edition Release 2 in my windows 7 64 bit OS and tried to execute JDBC program, then I got the following error: ...