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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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40 Answers
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How do I pass a variable by reference?
...nge):
new_string = something_to_do_with_the_old_string(stuff_to_change[0])
stuff_to_change[0] = new_string
# then you could call it like
wrapper = [my_string]
use_a_wrapper_to_simulate_pass_by_reference(wrapper)
do_something_with(wrapper[0])
Although this seems a little cumbersome.
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What is the difference between partitioning and bucketing a table in Hive ?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Oct 2 '13 at 6:37
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UITableView : viewForHeaderInSection: not called during reloadData:
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edited Sep 9 '14 at 18:50
answered Feb 25 '13 at 23:51
rm...
How to unstage large number of files without deleting the content
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1010
git reset
If all you want is to undo an overzealous "git add" run:
git reset
Your changes ...
raw vs. html_safe vs. h to unescape html
...so it can only be used on controllers and views.
"SafeBuffers and Rails 3.0" is a nice explanation on how the SafeBuffers (the class that does the html_safe magic) work.
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java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
i am using spring 3.1.0.RELEASE , and my servlet container is tomcat 7 and my IDE is eclipse indigo
and the jar spring-webmvc-3.1.0.RELEASE.jar which contains the DispatcherServlet
exists in the lib folder, and yet when running the application, i am getting the exception:
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How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
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– Thierry Marianne
Oct 6 '14 at 13:03
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How to parse a query string into a NameValueCollection in .NET
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edited Mar 30 '15 at 13:11
Carl Onager
3,73322 gold badges2929 silver badges6565 bronze badges
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How to autosize a textarea using Prototype?
...t's what I'm familiar with):
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="http://www.google.com/jsapi"></script>
<script language="javascript">
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