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Detect if an input has text in it using CSS — on a page I am visiting and do not control?

... input has text in it via CSS? I've tried using the :empty pseudo-class, and I've tried using [value=""] , neither of which worked. I can't seem to find a single solution to this. ...
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Does Java SE 8 have Pairs or Tuples?

I am playing around with lazy functional operations in Java SE 8, and I want to map an index i to a pair / tuple (i, value[i]) , then filter based on the second value[i] element, and finally output just the indices. ...
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What are the most common font-sizes for H1-H6 tags [closed]

... The HTML 4 recommendation for H6 has been ignored and 0.67em won; nowdays WebKit and FF use same em sizes as IE8. w3.org/TR/html-markup/h6.html also says "typical" display is 0.67em. – Beni Cherniavsky-Paskin Nov 14 '13 at 4:29 ...
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Creating an empty Pandas DataFrame, then filling it?

I'm starting from the pandas DataFrame docs here: http://pandas.pydata.org/pandas-docs/stable/dsintro.html 5 Answers ...
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Real escape string and PDO [duplicate]

... You should use PDO Prepare From the link: Calling PDO::prepare() and PDOStatement::execute() for statements that will be issued multiple times with different parameter values optimizes the performance of your application by allowing the driver to negotiate client and/or server side caching...
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Array.sort() doesn't sort numbers correctly [duplicate]

In Chrome 14, and Firefox 5 (haven't tested other browsers), the following code doesn't sort the numbers correctly: 5 Answe...
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How to read a file into a variable in shell?

I want to read a file and save it in variable, but I need to keep the variable and not just print out the file. How can I do this? I have written this script but it isn't quite what I needed: ...
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How should I store GUID in MySQL tables?

... things in different databases, on different machines, at different times, and still merge the data together seamlessly :) – Billy ONeal Sep 2 '10 at 0:12 5 ...
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How to refresh app upon shaking the device?

I need to add a shake feature that will refresh my Android application. 16 Answers 16 ...
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Converting string to title case

I have a string which contains words in a mixture of upper and lower case characters. 23 Answers ...