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What's the best way to send a signal to all members of a process group?

I want to kill a whole process tree. What is the best way to do this using any common scripting languages? I am looking for a simple solution. ...
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What do hjust and vjust do when making a plot using ggplot?

Every time I make a plot using ggplot, I spend a little while trying different values for hjust and vjust in a line like 2...
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Animation CSS3: display + opacity

I have got a problem with a CSS3 animation. 15 Answers 15 ...
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Why is (object)0 == (object)0 different from ((object)0).Equals((object)0)?

Why are the following expressions different? 7 Answers 7 ...
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Replacing NULL with 0 in a SQL server query

I have developed a query, and in the results for the first three columns I get NULL . How can I replace it with 0 ? 11 ...
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What is the fastest integer division supporting division by zero no matter what the result is?

Summary: 4 Answers 4 ...
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iPad Safari scrolling causes HTML elements to disappear and reappear with a delay

I'm currently developing a web app using html5 and jQuery for iPad Safari. I'm running into a problem wherein large scroll areas cause the elements that are offscreen to appear after a delay when I scroll down to them. ...
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show all tags in git log

Why does git log --decorate not display more than one tag per commit? 3 Answers 3 ...
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Is floating point math broken?

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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

How do you convert a Unix timestamp (seconds since epoch) to Ruby DateTime? 6 Answers ...