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How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
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Create AMI -> Boot AMI on large instance.
More info http://docs.amazonwebservices.com/AmazonEC2/gsg/2006-06-26/creating-an-image.html
You can do this all from the admin console too at aws.amazon.com
s...
How to simulate the environment cron executes a script with?
...su
env -i /bin/sh
or
sudo su
env -i /bin/bash --noprofile --norc
From http://matthew.mceachen.us/blog/howto-simulate-the-cron-environment-1018.html
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Is there a Mutex in Java?
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See this page: http://www.oracle.com/technetwork/articles/javase/index-140767.html
It has a slightly different pattern which is (I think) what you are looking for:
try {
mutex.acquire();
try {
// do something
} finally {
mut...
Converting A String To Hexadecimal In Java
...tring hexString = Hex.encodeHexString(myString.getBytes(/* charset */));
http://commons.apache.org/codec/apidocs/org/apache/commons/codec/binary/Hex.html
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Understanding how recursive functions work
...cles on simple recursive algorithms that you might find interesting; see
http://ericlippert.com/tag/recursion/
http://blogs.msdn.com/b/ericlippert/archive/tags/recursion/
Those are in newest-on-top order, so start from the bottom.
Second, so far all of the answers have described recursive seman...
Linux command or script counting duplicated lines in a text file?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to include jar files with java file and compile in command prompt
...dows, Linux, etc are different.
You can find more details in this blog.
http://javarevisited.blogspot.com/2011/01/how-classpath-work-in-java.html
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List of all special characters that need to be escaped in a regex
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You can look at the javadoc of the Pattern class: http://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html
You need to escape any char listed there if you want the regular char and not the special meaning.
As a maybe simpler solution, you can put the template ...
View a list of recent documents in Vim
...lugin automatically stores the
file names as you open/edit them in Vim.
http://www.vim.org/scripts/script.php?script_id=521
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How to run a single test from a rails test suite?
...e tests in one file)
rails test -n /TopicsControllerTest/ -v
look here
https://stackoverflow.com/a/41183694/3626659
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