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Center image in table td in CSS

I've been trying to align an image to the center of the table td. It worked with setting margin-left to a specific value but it also increased the size of td too and that isn't exactly what I wanted ...
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How to delete last character in a string in C#?

Building a string for post request in the following way, 10 Answers 10 ...
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How do you get the current time of day?

How do you get the current time (not date AND time)? 19 Answers 19 ...
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Can't find the 'libpq-fe.h header when trying to install pg gem

I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error: ...
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What is the Java equivalent of PHP var_dump?

PHP has a var_dump() function which outputs the internal contents of an object, showing an object's type and content. 11 An...
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Where can I find a list of scopes for Google's OAuth 2.0 API? [closed]

The example I'm working with specifies the scope in the OAuth request as: scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.email+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.profile ...
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Java array reflection: isArray vs. instanceof

Is there a preference or behavior difference between using: 8 Answers 8 ...
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Android - startActivityForResult immediately triggering onActivityResult

I am launching activities from the main activity in my app using the call startActivityForResult(intent, ACTIVITY_TYPE) , and they are all working but one. ...
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Convert an array of primitive longs into a List of Longs

This may be a bit of an easy, headdesk sort of question, but my first attempt surprisingly completely failed to work. I wanted to take an array of primitive longs and turn it into a list, which I attempted to do like this: ...
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Servlet for serving static content

I deploy a webapp on two different containers (Tomcat and Jetty), but their default servlets for serving the static content have a different way of handling the URL structure I want to use ( details ). ...